Merge ~athos-ribeiro/ubuntu/+source/squid:MRE-jammy-5.7 into ubuntu/+source/squid:ubuntu/jammy-devel

[Athos Ribeiro]

This is the jammy MRE for squid 5.7, as described in LP: #2013423

The most relevant change here is the official openssl 3 support. DO note that, as described in LP: #2013423, there is a configuration option whose support is being dropped. We consider this to be an acceptable tradeoff to remove the uncertainty around this package openssl3 support.

PPA: https://launchpad.net/~athos-ribeiro/+archive/ubuntu/squid-5.7-mre/+packages

The DEP8 test suite is still running. I will update this MP with the results once I have them.

[Sergio Durigan Junior (sergiodj)]

I'll review this one tomorrow.

[Sergio Durigan Junior (sergiodj)]

Results: (from http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/?format=plain)
  squid @ amd64:
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/amd64/s/squid/20230331_041217_d824e@/log.gz
    31.03.23 04:12:17 ✅ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/amd64/s/squid/20230331_113822_0439d@/log.gz
    31.03.23 11:38:22 ✅ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
  squid @ arm64:
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/arm64/s/squid/20230331_042212_ff9a3@/log.gz
    31.03.23 04:22:12 ✅ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/arm64/s/squid/20230331_114446_2ae73@/log.gz
    31.03.23 11:44:46 ✅ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
  squid @ armhf:
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/armhf/s/squid/20230331_041546_bc34d@/log.gz
    31.03.23 04:15:46 ❌ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
      squid FAIL 🟥
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/armhf/s/squid/20230331_114034_12149@/log.gz
    31.03.23 11:40:34 ❌ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
      squid FAIL 🟥
  squid @ ppc64el:
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/ppc64el/s/squid/20230331_041052_a855d@/log.gz
    31.03.23 04:10:52 ✅ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/ppc64el/s/squid/20230331_114232_a59e1@/log.gz
    31.03.23 11:42:32 ✅ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
  squid @ s390x:
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/s390x/s/squid/20230331_041920_431ed@/log.gz
    31.03.23 04:19:20 ✅ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1
    http://autopkgtest.ubuntu.com/results/autopkgtest-jammy-athos-ribeiro-squid-5.7-mre/jammy/s390x/s/squid/20230331_131649_c2ce8@/log.gz
    31.03.23 13:16:49 ✅ Triggers: squid/5.7-0ubuntu0.22.04.1~ppa1

[Sergio Durigan Junior (sergiodj)]

Thanks, Athos.

- Builds are OK. autopkgtest is OK. There is one failure on armhf, but that's already happening with the version we have in the archive today. The failure is related to apparmor and we've seen that before in other packages. It should be possible to do a workaround, but I'm OK with leaving it as is for now.

- d/p/CVE-2022-41317.patch: OK to drop.

- d/p/CVE-2022-41318.patch: OK to drop.

- d/p/openssl3-*.patch: OK to drop.

- d/p/0004-Change-default-Makefiles-for-debian.patch: OK to drop (took me a little bit to find the upstream commit).

- d/p/CVE-2021-46784.patch: OK to drop.

- d/p/close-tunnel-if-to-server-conn-closes-after-client.patch: OK to drop.

- When Lena was preparing the bind9 MRE, I asked to write SRU texts for all of the bugs that were going to be fixed by the upload. I noticed that your upload will fix bug #1975399, so I think it's only fair that I ask the same from you. Could you write an SRU text for it? I see that the reporter is active and has offered to help with testing the package, which is awesome.

- The MRE bug looks great. I think you can now update it and include the dep8 test results.

- While reading the "Regression potential" section, one thing caught my attention: the fact that "ssl_engine" support has been dropped. This is an unexpected change and can cause a few deployments to start failing. In order to mitigate that, I believe it is a good idea to write an entry in the d/NEWS file letting users know what to expect. WDYT?

- I thought about suggesting the same approach for the "esi_parser" bugfix, but I don't think it's necessary.

review: Needs Information

359b561... by Athos Ribeiro on 2023-04-06

    - d/NEWS: document end of support of the ssh_engine directive.

[Athos Ribeiro (athos-ribeiro)]

Thanks, Sergio!

- I updated the MRE bug with the test results; and
- added a d/NEWS entry for the ssh_engine directive for both branches.

Let me know if the latter looks good.

The esi_parser parser change should be transparent to most users, so I agree with you on that not being necessary. Let me know if you change your mind and I could try to come up with some text for that one as well.

Finally, for the SRU text, at first I wondered if this wouldn't just add extra work for the SRU team. Then, I realized that this ensures the specific bug gets verified, greatly improving the QA efforts for the MRE regarding bugs reported against Ubuntu. Thanks for the insight :)

Unfortunately, the specific bug being fixed has no reproducers, which hiders the benefits added from filing the SRU template there. Still, it should be a good practice to always perform those steps for these MREs.

Thanks!

[Sergio Durigan Junior (sergiodj)]

Thanks, Athos.

I took the liberty to make some cosmetic changes to the d/NEWS text:

===
The "ssl_engine" directive has been dropped, meaning squid will fail to start for installations using that configuration directive. There is no current workaround for this issue, since squid does not provide support for OpenSSL >= 3 Providers yet. You can find more context on that particular change at https://github.com/squid-cache/squid/pull/694.
===

Otherwise, LGTM. Re. the SRU text, it also LGTM. It's not a problem to rely on the reporter to verify the fix, and I believe it's a good thing to be explicit in the SRU text about this fact, which you did perfectly.

+1

review: Approve

[git-ubuntu bot (git-ubuntu-bot)]

Approvers: athos-ribeiro, sergiodj
Uploaders: athos-ribeiro, sergiodj
MP auto-approved

review: Approve

[Athos Ribeiro (athos-ribeiro)]

Thanks, Sergio.

Applied the suggestions (thx!) and uploaded :)

3fa9e45... by Athos Ribeiro on 2023-04-26

    - d/squid-openssl.postinst: remove ssl_engine configuration directive.

Unmerged commits

2841c32... by Athos Ribeiro on 2023-03-30

Update changelog

359b561... by Athos Ribeiro on 2023-04-06

    - d/NEWS: document end of support of the ssh_engine directive.

3fa9e45... by Athos Ribeiro on 2023-04-26

    - d/squid-openssl.postinst: remove ssl_engine configuration directive.

b7c73e3... by Athos Ribeiro on 2023-03-30

    - d/p/close-tunnel-if-to-server-conn-closes-after-client.patch: remove
      upstreamed patch.
      [ Fixed in 5.4 ]

a56c0f0... by Athos Ribeiro on 2023-03-30

    - d/p/CVE-2021-46784.patch: remove upstreamed patch.
      [ Fixed in 5.6 ]

76e16a8... by Athos Ribeiro on 2023-03-30

    - d/p/99-ubuntu-ssl-cert-snakeoil.patch: refresh patch.

c84b806... by Athos Ribeiro on 2023-03-30

    - d/p/0004-Change-default-Makefiles-for-debian.patch: remove
      upstreamed patch.
      [ Fixed in 5.5 ]

90e70cb... by Athos Ribeiro on 2023-03-30

    - d/p/openssl3-*.patch: drop downstream OpenSSL 3 support patch.
      [ Fixed in 5.7 ]

2bae2d7... by Athos Ribeiro on 2023-03-30

    - d/p/CVE-2022-41318.patch: drop patch to fix NTLM decoder truncated strings.
      [ Fixed in 5.7 ]

dd16f71... by Athos Ribeiro on 2023-03-30

    - d/p/CVE-2022-41317.patch: drop patch to fix typo in manager ACL.
      [ Fixed in 5.7 ]

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index e783fe1..e7adb76 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -2,11 +2,20 @@ This file contains a list of Squid contributors: people and organizations that
 have volunteered their time, effort, code, and ideas to make Squid software.
 Thank you!
 
+    aaron-costello <[e-mail]>
     Adam Ciarcinski
+    Adam Majer <[e-mail]>
+    Administrator <>
+    adrian
+    adrian <>
+    Adrian Chadd
+    Adrian Chadd <[e-mail]>
     Adrian Chadd <[e-mail]>
+    Adrian Chadd <[e-mail]>
     Aecio F. <[e-mail]>
     Alan Mizrahi <[e-mail]>
     Alan Nastac <[e-mail]>
+    Aleksa Šušulić <[e-mail]>
     Aleksa <[e-mail]>
     Aleksa ??u??uli?? <[e-mail]>
     Alexander B. Demenshin <[e-mail]>
@@ -20,13 +29,19 @@ Thank you!
     Alex Dowad <[e-mail]>
     Alexey Veselovsky <[e-mail]>
     Alexis Robert <[e-mail]>
+    Alex Rousskov
+    Alex Rousskov <>
     Alex Rousskov <[e-mail]>
     Alex Rousskov <[e-mail]>
     Alex Wu <[e-mail]>
     Alin Nastac <[e-mail]>
     Alter <[e-mail]>
+    Ambrose Li <[e-mail]>
+    Amish <[e-mail]>
+    Amish <[e-mail]>
     Amit Klein <[e-mail]>
     Amos Jeffries
+    Amos Jeffries <>
     Amos Jeffries <[e-mail]>
     Amos Jeffries <[e-mail]>
     Amos Jeffries <[e-mail]>
@@ -34,6 +49,7 @@ Thank you!
     Anatoli <[e-mail]>
     Andrea Gagliardi <[e-mail]>
     Andre Albsmeier <[e-mail]>
+    Andreas Hasenack <[e-mail]>
     Andreas Jaeger <[e-mail]>
     Andreas Lamprecht <[e-mail]>
     Andreas Weigel <[e-mail]>
@@ -48,9 +64,11 @@ Thank you!
     Andrey Shorin <[e-mail]>
     Anonymous <[e-mail]>
     Anonymous Pootle User
+    Anonymous Pootle User <>
     Anonymous <[e-mail]>
     Ansgar Hockmann <[e-mail]>
     Anthony Baxter <[e-mail]>
+    antiago Garcia Mantinan <[e-mail]>
     Antonino Iannella
     Arjan de Vet <[e-mail]>
     Arjan de Vet <[e-mail]>
@@ -60,11 +78,13 @@ Thank you!
     Arthur <[e-mail]>
     Arthur Tumanyan <[e-mail]>
     Assar Westerlund <[e-mail]>
+    Author:Rafael Martinez <[e-mail]>
     Automatic source maintenance <[e-mail]>
     Axel Westerhold <[e-mail]>
     Aymeric Vincent <[e-mail]>
     Barry Dobyns <[e-mail]>
     Benjamin Kerensa <[e-mail]>
+    [e-mail] <>
     Benno Rice <[e-mail]>
     Benno Rice <[e-mail]>
     Bernard <[e-mail]>
@@ -82,16 +102,20 @@ Thank you!
     Cephas <[e-mail]>
     Chad E. Naugle <[e-mail]>
     Chad Naugle <[e-mail]>
+    Chad Naugle <[e-mail]>
     Changming <[e-mail]>
     Chao <[e-mail]>
+    chi-mf <[e-mail]>
     Chris Addie <[e-mail]>
     Chris Hills <[e-mail]>
     Christian Wittmer <[e-mail]>
     Christopher Kerr
     Christophe Saout <[e-mail]>
     Christoph Lechleitner <[e-mail]>
+    Christos Tsantilas
     Christos Tsantilas <[e-mail]>
     Christos Tsantilas <[e-mail]>
+    Christos Tsantilos <[e-mail]>
     Chudy Fernandez <[e-mail]>
     Cloyce <[e-mail]>
     Clytie Siddall <[e-mail]>
@@ -104,26 +128,35 @@ Thank you!
     Daniel Walter <[e-mail]>
     Dan Searle <[e-mail]>
     Dan Searle <[e-mail]>
+    Daris A Nevil <[e-mail]>
     Dave Dykstra <[e-mail]>
     David Carlier <[e-mail]>
+    David CARLIER <[e-mail]>
     David Hill <[e-mail]>
     David Isaacs <[e-mail]>
     David J N Begley
     David Luyer <[e-mail]>
     David Luyer <[e-mail]>
     David Parks <[e-mail]>
+    declanw <[e-mail]>
     Declan White <[e-mail]>
     Dennis Felippa <[e-mail]>
     Dennis Glatting
+    Dennis Glatting <>
+    desbma-s1n <[e-mail]>
     Dhaval Varia <[e-mail]>
+    Diego Woitasen <diegows <at> xtech.com.ar>
     Diego Woitasen <[e-mail]>
+    Dimitry Andric <[e-mail]>
     Diogenes S. Jesus <[e-mail]>
     D Kazarov <[e-mail]>
+    Dmitry Kurochkin
     Dmitry Kurochkin <[e-mail]>
     Don Hopkins <[e-mail]>
     Doug Dixon <[e-mail]>
     Doug Urner <[e-mail]>
     Dragutin Cirkovic <[e-mail]>
+    DrDaveD <[e-mail]>
     DrDaveD <[e-mail]>
     drserge <[e-mail]>
     Dr. Tilmann Bubeck <[e-mail]>
@@ -138,9 +171,12 @@ Thank you!
     Eldar Akchurin <[e-mail]>
     Eliezer Croitoru <[e-mail]>
     Elmar Vonlanthen <[e-mail]>
+    Emil Hessman <[e-mail]>
     Emilio Casbas <[e-mail]>
     Emmanuel Fuste <[e-mail]>
     Endre Balint Nagy <[e-mail]>
+    Eneas Queiroz <[e-mail]>
+    Eneas U de Queiroz <[e-mail]>
     Eray Aslan <[e-mail]>
     Eray Aslan <[e-mail]>
     Eric Stern <[e-mail]>
@@ -150,13 +186,16 @@ Thank you!
     Evgeni <[e-mail]>
     Eygene Ryabinkin <[e-mail]>
     Fabian Hugelshofer <[e-mail]>
+    Fabrice Fontaine <[e-mail]>
     fancyrabbit <[e-mail]>
     Felix Meschberger <[e-mail]>
     Feshchuk Yuriy <[e-mail]>
     Finn Thain <[e-mail]>
     Flavio Pescuma <[e-mail]>
     Florent <[e-mail]>
+    flozilla <[e-mail]>
     folkert <[e-mail]>
+    Francesco Chemolli <[e-mail]>
     Francesco Chemolli <[e-mail]>
     Francesco <[e-mail]>
     Francesco Salvestrini
@@ -164,21 +203,27 @@ Thank you!
     Francois Cami <[e-mail]>
     Frank Balluffi
     Frank Schmirler <[e-mail]>
+    FredB <[e-mail]>
     Frederic Bourgeois <[e-mail]>
     Fred <[e-mail]>
+    frencesco chemolli <[e-mail]>
     F Wolff <[e-mail]>
+    FX Coudert <[e-mail]>
     Fyodor <[e-mail]>
     Garri Djavadyan <[e-mail]>
     Geoff Keating <[e-mail]>
+    George Machitidze <[e-mail]>
     George Michaelson <[e-mail]>
     Georgy Salnikov <[e-mail]>
     Gerard Eviston
     Gerben Wierda <[e-mail]>
     Gergely <[e-mail]>
+    ghulands <[e-mail]>
     Giancarlo Razzolini <[e-mail]>
     Gilles Espinasse <[e-mail]>
     gkeeling <[e-mail]>
     Glen Gibb <[e-mail]>
+    glenn <>
     Glenn Chisholm <[e-mail]>
     Glen Newton <[e-mail]>
     Glenn Newton <[e-mail]>
@@ -187,14 +232,19 @@ Thank you!
     Graham Keeling <[e-mail]>
     Guido Serassio <[e-mail]>
     Guido Serassio <[e-mail]>
+    Guido Vranken <[e-mail]>
     Gustavo Zacarias <[e-mail]>
     Guy Helmer <[e-mail]>
     Hank Hampel <[e-mail]>
     Hasso Tepper <[e-mail]>
+    Heinrich Schuchardt <[e-mail]>
     helix84 <[e-mail]>
     Henrik Nordstrom <[e-mail]>
+    Henrik Nordström <[e-mail]>
+    Henrik Nordstrom <[e-mail]>
     Henrik Nordstrom <[e-mail]>
     Hide Nagaoka <[e-mail]>
+    hno <>
     HONDA Hirofumi <[e-mail]>
     huaraz <[e-mail]>
     Hussam Al-Tayeb <[e-mail]>
@@ -207,27 +257,36 @@ Thank you!
     isaac <[e-mail]>
     Isnard <[e-mail]>
     Ivan Larionov <[e-mail]>
+    Ivan MasÃar <[e-mail]>
+    Ivan Masár <[e-mail]
+    Ivan Masár <[e-mail]>
     Ivan Mas??r <[e-mail]>
     Jakob Bohm <[e-mail]>
     Jakub Wilk <[e-mail]>
+    Jakub Wilk <[e-mail]>
     James Bowe <[e-mail]>
     James Brotchie <[e-mail]>
+    James DeFelice <[e-mail]>
     James R Grinter <[e-mail]>
     Jamie Strandboge
     Jan Klemkow <[e-mail]>
     Jan Niehusmann <[e-mail]>
     Jan Sievers <[e-mail]>
     Javad Kouhi <[e-mail]>
+    Javier Pacheco <[e-mail]>
     Jean-Francois Micouleau <[e-mail]>
     Jean-Gabriel Dick <[e-mail]>
     Jean-Philippe Menil <[e-mail]>
     Jeff Licquia <[e-mail]>
     Jens-S. V?ckler <[e-mail]>
+    Jens-S. V�ckler <[e-mail]>
     Jeremy Allison
     Jerry Murdock <[e-mail]>
+    jijiwawa <[e-mail]>
     Jiri Skala <[e-mail]>
     Jiri Skala <[e-mail]>
     jltallon
+    jltallon <>
     Joachim Bauch <[e-mail]>
     Joachim Bauch ([e-mail])
     Joao Alves Neto <[e-mail]>
@@ -251,7 +310,9 @@ Thank you!
     Jorge Ivan Burgos Aguilar <[e-mail]>
     Jose Luis Godoy <[e-mail]>
     Jose-Marcio Martins da Cruz <[e-mail]>
+    josepjones <[e-mail]>
     Joshua Rogers <[e-mail]>
+    Joshua Rogers <[e-mail]>
     Joshua Root <[e-mail]>
     Joshua Root <[e-mail]>
     JPP <[e-mail]>
@@ -260,22 +321,32 @@ Thank you!
     Julien Pinon <[e-mail]>
     Karl Benoit <[e-mail]>
     Kieran Whitbread <[e-mail]>
+    [e-mail] <>
+    Kinkie <[e-mail]>
+    Kinkie <[e-mail]>
+    [e-mail] <>
     Klaubert Herr <[e-mail]>
+    Klaus Singvogel
     Klaus Singvogel <[e-mail]>
     Kolics Bertold <[e-mail]>
+    kostas <>
     Kostas Anagnostakis <[e-mail]>
     Lab10 <[e-mail]>
     Laszlo Attilla Toth <[e-mail]>
     Leeann Bent <[e-mail]>
     Leonardo Taccari
+    Leonardo Taccari <>
     Leonid Evdokimov <[e-mail]>
     libit <[e-mail]>
     Lubos Uhliarik <[e-mail]>
+    Luboš Uhliarik <[e-mail]>
     Luigi Gangitano <[e-mail]>
     Luis Daniel Lucio Quiroz <[e-mail]>
+    Lukas Bögelei <unknown>
     Lukas B??gelei <unknown>
     Luke Howard <[e-mail]>
     Lutz Donnerhacke <[e-mail]>
+    mahdi1001 <[e-mail]>
     Manu Garg <[e-mail]>
     Marcello Romani <[e-mail]>
     Marcin Wisnicki <[e-mail]>
@@ -292,9 +363,12 @@ Thank you!
     Marko <[e-mail]>
     Mark Treacy <[e-mail]>
     Markus Gyger <[e-mail]>
+    Markus <[e-mail]>
     Markus Mayer <[e-mail]>
     Markus Moeller <[e-mail]>
+    Markus Moeller [e-mail]>
     Markus Moeller (markus_moeller at compuserve.com)
+    Markus Moeller <[e-mail]>
     Markus Rietzler <[e-mail]>
     Markus Stumpf <[e-mail]>
     Martin Hamilton <[e-mail]>
@@ -309,7 +383,9 @@ Thank you!
     Matthew Morgan <[e-mail]>
     Matthias Pitzl <[e-mail]>
     Matthias "Silamael" <[e-mail]>
+    Matthieu Herrb <[e-mail]>
     Max Okumoto <[e-mail]>
+    Measurement Factory
     Merik Karman
     <[e-mail]>
     Michael Buchau <[e-mail]>
@@ -333,9 +409,11 @@ Thank you!
     mkishi <[e-mail]>
     Moez Mahfoudh <[e-mail]>
     Mohsen Saeedi <[e-mail]>
+    Mrcus Kool <[e-mail]>
     Mukaigawa Shin'ichi <[e-mail]>
     Nathan Hoad <[e-mail]>
     Neil Murray <[e-mail]>
+    new23d <[e-mail]>
     nglnx - Rosetta Project
     Niall Doherty <[e-mail]>
     Nick Rogers <[e-mail]>
@@ -346,8 +424,11 @@ Thank you!
     Oliver Hookins
     Olivier Montanuy
     Olivier W.
+    Opendium <[e-mail]>
     OpenSolaris Project
     Oskar Pearson <[e-mail]>
+    p <>
+    Patrick Scott Best <[e-mail]>
     Patrick Welche <[e-mail]>
     Paulo Matias <[e-mail]>
     Paul Z <[e-mail]>
@@ -359,7 +440,9 @@ Thank you!
     Pete Bentley <[e-mail]>
     Peter Hidas <[e-mail]>
     Peter Payne
+    Peter Pramberger
     Peter Pramberger <[e-mail]>
+    Philip Allison
     Philip Allison <[e-mail]>
     Philippe Lantin <[e-mail]>
     Phil Oester <[e-mail]>
@@ -370,6 +453,7 @@ Thank you!
     Poul-Henning Kamp <[e-mail]>
     Priyanka Gupta <[e-mail]>
     Przemek Czerkas <[e-mail]>
+    Quentin THEURET <[e-mail]>
     Rabellino Sergio ([e-mail])
     Rafael Martinez <[e-mail]>
     Rafael Martinez Torres <[e-mail]>
@@ -384,6 +468,7 @@ Thank you!
     Reinhard Posmyk <[e-mail]>
     Reinhard Sojka <[e-mail]>
     Rene Geile <[e-mail]>
+    René Geile <[e-mail]>
     Ren? Geile <[e-mail]>
     Reuben Farrelly <[e-mail]>
     Richard Huveneers <[e-mail]>
@@ -392,15 +477,17 @@ Thank you!
     Richard Wall <[e-mail]>
     Robert Collins <[e-mail]>
     Robert Collins <[e-mail]>
+    Robert Dessa
     Robert <[e-mail]>
     Robert Forster
     Robert Walsh <[e-mail]>
     Robin Elfrink <[e-mail]>
-    Rodrigo Campos <[e-mail]>
     Rodrigo Campos ([e-mail])
+    Rodrigo Campos <[e-mail]>
     Rodrigo Rubira Branco <[e-mail]>
     Rodrigo Rubira Branco <[e-mail]>
     Ron Gomes <[e-mail]>
+    Rosen Penev <[e-mail]>
     R Phillips <[e-mail]>
     Russell Street <[e-mail]>
     Russell Vincent <[e-mail]>
@@ -409,21 +496,28 @@ Thank you!
     Rybakov Andrey <[e-mail]>
     Samba Project
     Santiago Garcia Mantinan <[e-mail]>
+    sborrill <[e-mail]>
     Scott James Remnant <[e-mail]>
     Scott Schram <[e-mail]>
     Sean Critica <[e-mail]>
+    Sebastian Krahmer <>
     Sebastian Krahmer <[e-mail]>
     Sebastien Wenske <[e-mail]>
+    serassio <>
+    Serassio Guido <[e-mail]>
+    Sergey Kirpa <[e-mail]>
     Sergey Merzlikin <[e-mail]>
+    Sergio Durigan Junior <[e-mail]>
     Sergio Rabellino <[e-mail]>
     Shigechika Aikawa <[e-mail]>
     Silamael <[e-mail]>
     Simon Deziel
-    SquidAdm <[e-mail]>
-    squidadm <[e-mail]>
+    Simon Deziel <>
+    squidcontrib <[e-mail]>
     Stefan Fritsch <[e-mail]>
     Stefan Kruger <[e-mail]>
     Stefano Cordibella <[e-mail]>
+    Štěpán Brož <[e-mail]>
     Stephen Baynes <[e-mail]>
     Stephen R. van den Berg <[e-mail]>
     Stephen Thorne <[e-mail]>
@@ -435,41 +529,57 @@ Thank you!
     Stewart Forster <[e-mail]>
     Stuart Henderson <[e-mail]>
     Stuart Henderson <[e-mail]>
+    sujiacong <[e-mail]>
     Susant Sahani <[e-mail]>
     Sven Eisenberg <[e-mail]>
     Svenx <[e-mail]>
+    swilton <>
     Taavi Talvik <[e-mail]>
     Takahiro Kambe <[e-mail]>
     Taketo Kabe <[e-mail]>
     tangqinghao <[e-mail]>
     The Measurement Factory <[e-mail]>
     The Squid Software Foundation
+    The Squid Software Foundation <>
     Thomas De Schampheleire <[e-mail]>
     Thomas Hozza <[e-mail]>
+    Thomas-Martin Seck <[e-mail]>
     Thomas-Martin Seck <[e-mail]>
     Thomas Ristic <[e-mail]>
     Thomas Weber <[e-mail]>
+    Thomas Zajic <[e-mail]>
     Tianyin Xu <[e-mail]>
     Tilmann Bubeck <[e-mail]>
     Tim Brown <[e-mail]>
+    Timo Teras <>
     Timo Teras <[e-mail]>
     Timo Tseras <[e-mail]>
+    Tim Starling
     Tim Starling <[e-mail]>
+    Tim Starling <unknown>
     Todd C. Miller <[e-mail]>
     Tomas Hozza <[e-mail]>
+    tomofumi-yoshida <[e-mail]>
     Tony Lorimer <[e-mail]>
+    trapexit <[e-mail]>
     Trever Adams <[e-mail]>
+    Tsantilas Christos <[e-mail]>
     Tsantilas Christos <[e-mail]>
+    Tsantilos Christos <[e-mail]>
+    Ture Pålsson <[e-mail]>
+    uhliarik <[e-mail]>
     Unknown
     Unknown - Debian Project
     Unknown FreeBSD Contributor
     Unknown - NetBSD Project
     Vadim Aleksandrov <[e-mail]>
+    Vadim Salavatov <[e-mail]>
     Various
     Various Translators
     Victor Jose Hernandez Gomez <[e-mail]>
     Vince Brimhall
     Vincent Regnard
+    Vincent Régnard
     Vitaliy Matytsyn (main) <[e-mail]>
     Vitaliy Matytsyn <[e-mail]>
     Vitaly Lavrov <[e-mail]>
@@ -478,12 +588,14 @@ Thank you!
     Wang DaQing <[e-mail]>
     Warren Baker <[e-mail]>
     Wesha <[e-mail]>
+    wessels
     William Lima <[e-mail]>
     Will Roberts <[e-mail]>
     Wojciech Zatorski <[e-mail]>
     Wojtek Sylwestrzak <[e-mail]>
     Wolfgang Breyha <[e-mail]>
     Wolfgang Nothdurft <[e-mail]>
+    wouldsmina <[e-mail]>
     Xavier Redon <[e-mail]>
     yabuki <[e-mail]>
     Yannick Bergeron <[e-mail]>
diff --git a/ChangeLog b/ChangeLog
index 1b16b02..49174d4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,71 @@
+Changes in squid-5.7 (05 Sep 2022):
+
+	- Regression Fix: Typo in manager ACL
+	- Bug 5186: noteDestinationsEnd check failed: transportWait
+	- Bug 5160: Test suite fails with -flto=auto
+	- Bug 3193 pt2: NTLM decoder truncating strings
+	- Bug 5133: OpenSSL 3.0 support
+	- ext_session_acl: fix TDB key lookup
+	- forward_max_tries: Do not count discarded connections
+	- ... and many compile and debugging fixes
+
+Changes in squid-5.6 (06 Jun 2022):
+
+	- Bug 5208: Part 1: Restart kids killed by SIGKILL
+	- Fix SQUID-MIB smilint errors
+	- negotiate_kerberos_auth: Initialise default_keytab
+	- Improve handling of Gopher responses
+	- ... and some semi-automated code polish
+
+Changes in squid-5.5 (12 Apr 2022):
+
+	- Regression Bug 5192: esi_parser default is incorrect
+	- Bug 5177: clientca certificates sent to https_port clients
+	- Bug 5090: Must(!request->pinnedConnection()) violation
+	- Kid restart leads to persistent queue overflows, delays/timeouts
+	- Fix build on Illumos
+	- ESI: Drop incorrect and unnecessary xmlSetFeature() call
+
+Changes in squid-5.4.1 (12 Feb 2022):
+
+	- Bug 5055: FATAL FwdState::noteDestinationsEnd exception: opening
+	- Fix FATAL ServiceRep::putConnection exception: theBusyConns > 0
+	- Fix ConnOpener orphan connection warnings when requester ends early
+	- Fix ConnOpener connection handling when sending negative answers
+	- Fix Comm::ConnOpener::cleanFd() debugging
+	- Fix ConnOpener callback's syncWithComm()
+	- Fix FwdState::advanceDestination() losing ERR_GATEWAY_FAILURE details
+	- Fix Tunneler handling of last-resort callback on premature job ending
+	- Fix PeerConnector handling of last-resort callback on premature job ending
+	- Fix FreeBSD 14 build
+	- Fix OpenBSD 7.0 build
+	- Add Comm::Connection::cloneDestinationDetails() debugging
+	- Improve Security::PeerConnector::serverConn and Http::Tunneler::connection management
+	- Refactor ConnOpener users to stop relying on the answer providing Comm::Connection
+	- Refactor ICAP connection-establishing code
+	- Polish PeerPoolMgr code
+	- Polish IDENT code
+	- Polish Gopher code
+	- Polished AsyncJob::Start() API
+	- ... and update code documentation
+
+Changes in squid-5.4 (07 Feb 2022):
+
+	- Bug 5190: Preserve configured order of intermediate CA certificate chain
+	- Bug 5188: Fix reconfiguration leaking tls-cert=... memory
+	- Bug 5187: Properly track (and mark) truncated store entries
+	- Bug 5134: assertion failed: Transients.cc:221: "old == e"
+	- Bug 5132: Close the tunnel if to-server conn closes after client
+	- langpack: Fix typo in Russian texts
+	- copyright years and CONTRIBUTORS update
+
+Changes in squid-5.3 (06 Dec 2021):
+
+	- Bug 5169: StoreMap.cc:517 "!s.reading()" assertion
+	- Bug 5158: AnyP::Uri::host() mishandles [escaped] IPv6 addresses
+	- Bug 5060: Parallel builds are not reliable
+	- Documentation updates for logformat directive
+
 Changes in squid-5.2 (03 Oct 2021):
 
 	- Bug 5164: a copy-paste typo in HttpHdrCc::hasMinFresh()
diff --git a/INSTALL b/INSTALL
index 4997bd4..b9b953d 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+ * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
  *
  * Squid software is distributed under GPLv2+ license and includes
  * contributions from numerous individuals and organizations.
diff --git a/Makefile.am b/Makefile.am
index 6486941..78e72d6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
diff --git a/Makefile.in b/Makefile.in
index a0d9926..b1bc653 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.16.4 from Makefile.am.
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2021 Free Software Foundation, Inc.
@@ -329,6 +329,7 @@ EXT_LIBECAP_CFLAGS = @EXT_LIBECAP_CFLAGS@
 EXT_LIBECAP_LIBS = @EXT_LIBECAP_LIBS@
 FALSE = @FALSE@
 FGREP = @FGREP@
+FILECMD = @FILECMD@
 GREP = @GREP@
 HAVE_CXX11 = @HAVE_CXX11@
 INCLTDL = @INCLTDL@
diff --git a/QUICKSTART b/QUICKSTART
index 992c294..f2070b5 100644
--- a/QUICKSTART
+++ b/QUICKSTART
@@ -99,7 +99,7 @@ typically have to modify something in a /etc/rc_something).
 ==============================================================================
 
 /*
- * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+ * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
  *
  * Squid software is distributed under GPLv2+ license and includes
  * contributions from numerous individuals and organizations.
diff --git a/README b/README
index dadcd72..227b408 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 SQUID Web Proxy Cache                        http://www.squid-cache.org/
 ------------------------------------------------------------------------
 
-Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 
 Squid software is distributed under GPLv2+ license and includes 
 contributions from numerous individuals and organizations.
diff --git a/RELEASENOTES.html b/RELEASENOTES.html
index 23c11e6..7369f54 100644
--- a/RELEASENOTES.html
+++ b/RELEASENOTES.html
@@ -3,10 +3,10 @@
 <HEAD>
  <META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.82">
  <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
- <TITLE>Squid 5.2 release notes</TITLE>
+ <TITLE>Squid 5.7 release notes</TITLE>
 </HEAD>
 <BODY>
-<H1>Squid 5.2 release notes</H1>
+<H1>Squid 5.7 release notes</H1>
 
 <H2>Squid Developers</H2>
 <HR>
@@ -31,6 +31,7 @@ for Applied Network Research and members of the Web Caching community.</EM>
 <LI><A NAME="toc2.4">2.4</A> <A HREF="#ss2.4">TrivialDB Support</A>
 <LI><A NAME="toc2.5">2.5</A> <A HREF="#ss2.5">Loop Detection in Content Delivery Networks</A>
 <LI><A NAME="toc2.6">2.6</A> <A HREF="#ss2.6">Peering support for SSL-Bump</A>
+<LI><A NAME="toc2.7">2.7</A> <A HREF="#ss2.7">OpenSSL 3.0 Support</A>
 </UL>
 <P>
 <H2><A NAME="toc3">3.</A> <A HREF="#s3">Changes to squid.conf since Squid-4</A></H2>
@@ -61,7 +62,7 @@ for Applied Network Research and members of the Web Caching community.</EM>
 <HR>
 <H2><A NAME="s1">1.</A> <A HREF="#toc1">Notice</A></H2>
 
-<P>The Squid Team are pleased to announce the release of Squid-5.2.</P>
+<P>The Squid Team are pleased to announce the release of Squid-5.7.</P>
 <P>This new release is available for download from 
 <A HREF="http://www.squid-cache.org/Versions/v5/">http://www.squid-cache.org/Versions/v5/</A> or the
 <A HREF="http://www.squid-cache.org/Download/http-mirrors.html">mirrors</A>.</P>
@@ -95,6 +96,7 @@ for how to submit a report with a stack trace.</P>
 <LI>TrivialDB Support</LI>
 <LI>RFC 8586: Loop Detection in Content Delivery Networks</LI>
 <LI>Peering support for SSL-Bump</LI>
+<LI>OpenSSL 3.0 Support</LI>
 </UL>
 </P>
 <P>Most user-facing changes are reflected in squid.conf (see below).</P>
@@ -220,6 +222,21 @@ see TLS client handshake) <EM>before</EM> selecting the cache_peer.</P>
 yet do TLS-in-TLS.</P>
 
 
+<H2><A NAME="ss2.7">2.7</A> <A HREF="#toc2.7">OpenSSL 3.0 Support</A>
+</H2>
+
+<P>Squid-5.7 adds OpenSSL 3.0 support.</P>
+
+<P>This version of Squid does not add any of the new features provided by
+OpenSSL 3.0. It only contains support for features already supported by prior
+versions of Squid using new APIs provided by OpenSSL 3.0.</P>
+
+<P>Notably the libssl custom Engine feature has been deprecated by OpenSSL 3.0
+and new Providers replacement is not supported by this Squid.</P>
+
+<P>OpenSSL 3.0 uses new licensing terms.</P>
+
+
 <H2><A NAME="s3">3.</A> <A HREF="#toc3">Changes to squid.conf since Squid-4</A></H2>
 
 <P>There have been changes to Squid's configuration file since Squid-4.</P>
@@ -329,6 +346,12 @@ is configured.</P>
 <P>New code <EM>A</EM> to display Squid listening IP address the client
 TCP connection was connected to.</P>
 
+<DT><B>esi_parser</B><DD>
+<P>Squid-4 removal of the custom parser introduced a bug which caused
+the default ESI parser library to be unpredictable. Squid-5.5 release
+restores the documented default of libxml2 as most preferred, with
+libexpat as alternative.</P>
+
 <DT><B>http_port</B><DD>
 <P>New <EM>worker-queues</EM> option to have TCP stack maintain dedicated
 listening queue for each worker in SMP.</P>
@@ -338,6 +361,9 @@ listening queue for each worker in SMP.</P>
 listening queue for each worker in SMP.</P>
 <P>New <EM>CONDITIONAL_AUTH</EM> flag for <EM>sslflags=</EM> option to
 request client certificate(s) but not reject clients without any.</P>
+<P>Squid-5.5 will no longer use <EM>tls-clientca=</EM> certificates
+as possible intermediary CA for the server CA certificate chain when
+OpenSSL library supports <EM>SSL_MODE_NO_AUTO_CHAIN</EM> mode.</P>
 
 <DT><B>logformat</B><DD>
 <P>New <EM>ssl::&lt;cert</EM> macro code to display received server X.509
@@ -355,6 +381,10 @@ code to indicate the response was received from server using TLS/1.3.</P>
 <P>Codes <EM>rm</EM>, <EM>&lt;rm</EM> and <EM>&gt;rm</EM> display "-"
 instead of the made-up method NONE.</P>
 
+<DT><B>ssl_engine</B><DD>
+<P>OpenSSL 3.0 deprecates the Engine feature. This directive is
+only supported when Squid is built for older OpenSSL versions.</P>
+
 </DL>
 </P>
 
@@ -498,7 +528,7 @@ to enable chunked memory pools instead.</P>
 
 <H2><A NAME="s6">6.</A> <A HREF="#toc6">Copyright</A></H2>
 
-<P>Copyright (C) 1996-2021 The Squid Software Foundation and contributors</P>
+<P>Copyright (C) 1996-2022 The Squid Software Foundation and contributors</P>
 <P>Squid software is distributed under GPLv2+ license and includes
 contributions from numerous individuals and organizations.
 Please see the COPYING and CONTRIBUTORS files for details.</P>
diff --git a/acinclude/ax_cxx_0x_types.m4 b/acinclude/ax_cxx_0x_types.m4
index 1475772..644802e 100644
--- a/acinclude/ax_cxx_0x_types.m4
+++ b/acinclude/ax_cxx_0x_types.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
diff --git a/acinclude/ax_cxx_compile_stdcxx_11.m4 b/acinclude/ax_cxx_compile_stdcxx_11.m4
index cd5ced7..bc65be9 100644
--- a/acinclude/ax_cxx_compile_stdcxx_11.m4
+++ b/acinclude/ax_cxx_compile_stdcxx_11.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
diff --git a/acinclude/ax_with_prog.m4 b/acinclude/ax_with_prog.m4
index 292b2b6..004845b 100644
--- a/acinclude/ax_with_prog.m4
+++ b/acinclude/ax_with_prog.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
diff --git a/acinclude/compiler-flags.m4 b/acinclude/compiler-flags.m4
index bba5261..6b69f63 100644
--- a/acinclude/compiler-flags.m4
+++ b/acinclude/compiler-flags.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
@@ -6,7 +6,7 @@
 ##
 
 # check if the compiler accepts a supplied flag
-# first argument is the variable containing the result 
+# first argument is the variable containing the result
 # (will be set to "yes" or "no")
 # second argument is the flag to be tested, verbatim
 #
@@ -28,7 +28,7 @@ AC_DEFUN([SQUID_CC_CHECK_ARGUMENT],[
 # Check if the compiler requires a supplied flag to build a test program.
 # When cross-compiling set flags explicitly.
 #
-# first argument is the variable containing the result 
+# first argument is the variable containing the result
 # (will be set to "yes" or "no")
 # second argument is the flag to be tested, verbatim
 # third is the #include and global setup for test program, verbatim
@@ -57,8 +57,8 @@ AC_DEFUN([SQUID_CC_REQUIRE_ARGUMENT],[
 #  - gcc
 #  - sunstudio
 #  - none (undetected)
-# 
-AC_DEFUN([SQUID_CC_GUESS_VARIANT], [ 
+#
+AC_DEFUN([SQUID_CC_GUESS_VARIANT], [
  AC_CACHE_CHECK([what kind of compiler we're using],[squid_cv_compiler],
  [
   AC_REQUIRE([AC_PROG_CC])
@@ -127,42 +127,42 @@ AC_DEFUN([SQUID_CC_GUESS_VARIANT], [
 # squid_cv_cxx_option_werror  (-Werror)
 # squid_cv_cc_option_wall     (-Wall)
 # squid_cv_cc_option_optimize (-O3)
-# 
+#
 AC_DEFUN([SQUID_CC_GUESS_OPTIONS], [
  AC_REQUIRE([SQUID_CC_GUESS_VARIANT])
  AC_MSG_CHECKING([for compiler variant])
  case "$squid_cv_compiler" in
-  gcc) 
-   squid_cv_cc_option_werror="-Werror" 
-   squid_cv_cxx_option_werror="-Werror" 
+  gcc)
+   squid_cv_cc_option_werror="-Werror"
+   squid_cv_cxx_option_werror="-Werror"
    squid_cv_cc_option_wall="-Wall"
    squid_cv_cc_option_optimize="-O3"
    squid_cv_cc_arg_pipe="-pipe"
    ;;
-  sunstudio) 
-   squid_cv_cc_option_werror="-errwarn=%all -errtags" 
-   squid_cv_cxx_option_werror="-errwarn=%all,no%badargtype2w,no%wbadinit,no%wbadasg -errtags" 
+  sunstudio)
+   squid_cv_cc_option_werror="-errwarn=%all -errtags"
+   squid_cv_cxx_option_werror="-errwarn=%all,no%badargtype2w,no%wbadinit,no%wbadasg -errtags"
    squid_cv_cc_option_wall="+w"
    squid_cv_cc_option_optimize="-fast"
    squid_cv_cc_arg_pipe=""
    ;;
-  clang) 
+  clang)
    squid_cv_cxx_option_werror="-Werror -Qunused-arguments"
    squid_cv_cc_option_werror="$squid_cv_cxx_option_werror"
    squid_cv_cc_option_wall="-Wall"
    squid_cv_cc_option_optimize="-O2"
    squid_cv_cc_arg_pipe=""
    ;;
-  icc) 
+  icc)
    squid_cv_cxx_option_werror="-Werror"
-   squid_cv_cc_option_werror="$squid_cv_cxx_option_werror" 
+   squid_cv_cc_option_werror="$squid_cv_cxx_option_werror"
    squid_cv_cc_option_wall="-Wall"
    squid_cv_cc_option_optimize="-O2"
    squid_cv_cc_arg_pipe=""
    ;;
-  *) 
-   squid_cv_cxx_option_werror="" 
-   squid_cv_cc_option_werror="" 
+  *)
+   squid_cv_cxx_option_werror=""
+   squid_cv_cc_option_werror=""
    squid_cv_cc_option_wall=""
    squid_cv_cc_option_optimize="-O"
    squid_cv_cc_arg_pipe=""
diff --git a/acinclude/init.m4 b/acinclude/init.m4
index 97b26f4..9f0de16 100644
--- a/acinclude/init.m4
+++ b/acinclude/init.m4
@@ -1,11 +1,11 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
 ## Please see the COPYING and CONTRIBUTORS files for details.
 ##
 
-dnl This encapsulates the nasty mess of headers we need to check when 
+dnl This encapsulates the nasty mess of headers we need to check when
 dnl checking types.
 AC_DEFUN([SQUID_DEFAULT_INCLUDES],[[
 /* What a mess.. many systems have added the (now standard) bit types
@@ -15,10 +15,10 @@ AC_DEFUN([SQUID_DEFAULT_INCLUDES],[[
  */
 #if HAVE_SYS_TYPES_H
 #include <sys/types.h>
-#endif  
+#endif
 #if HAVE_LINUX_TYPES_H
 #include <linux/types.h>
-#endif  
+#endif
 #if HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
@@ -37,7 +37,7 @@ AC_DEFUN([SQUID_DEFAULT_INCLUDES],[[
 #if HAVE_NETINET_IN_SYSTM_H
 #include <netinet/in_systm.h>
 #endif
-]])     
+]])
 
 dnl *BSD net headers
 AC_DEFUN([SQUID_BSDNET_INCLUDES],[
diff --git a/acinclude/krb5.m4 b/acinclude/krb5.m4
index 6db2c6d..a0f44b0 100644
--- a/acinclude/krb5.m4
+++ b/acinclude/krb5.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
@@ -15,7 +15,7 @@ AC_DEFUN([SQUID_CHECK_KRB5_SOLARIS_BROKEN_KRB5_H], [
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <krb5.h>
 int i;
-]])], [ squid_cv_broken_krb5_h=no ], [ 
+]])], [ squid_cv_broken_krb5_h=no ], [
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #if defined(__cplusplus)
 #define KRB5INT_BEGIN_DECLS     extern "C" {
@@ -246,7 +246,7 @@ gss_OID gss_mech_spnego = &_gss_mech_spnego;
 
  return 1;
 }
-  ]])],  
+  ]])],
   [ squid_cv_have_spnego=yes ], [ squid_cv_have_spnego=no ],[:])])
 ])
 
diff --git a/acinclude/lib-checks.m4 b/acinclude/lib-checks.m4
index ae3d24b..30a9524 100644
--- a/acinclude/lib-checks.m4
+++ b/acinclude/lib-checks.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
@@ -15,7 +15,7 @@ AC_DEFUN([SQUID_CHECK_REGEX_WORKS],[
 #include <sys/types.h>
 #endif
 #if HAVE_REGEX_H
-#include <regex.h> 
+#include <regex.h>
 #endif
 ]], [[
 regex_t t; regcomp(&t,"",0);]])],
@@ -197,7 +197,7 @@ AC_DEFUN([SQUID_CHECK_OPENSSL_GETCERTIFICATE_WORKS],[
 SQUID_STATE_ROLLBACK(check_SSL_get_certificate)
 ])
 
-dnl Checks whether the  SSL_CTX_new and similar functions require 
+dnl Checks whether the  SSL_CTX_new and similar functions require
 dnl a const 'SSL_METHOD *' argument
 AC_DEFUN([SQUID_CHECK_OPENSSL_CONST_SSL_METHOD],[
   AH_TEMPLATE(SQUID_USE_CONST_SSL_METHOD, "Define to 1 if the SSL_CTX_new and similar openSSL API functions require 'const SSL_METHOD *'")
diff --git a/acinclude/os-deps.m4 b/acinclude/os-deps.m4
index 0baf42b..e089505 100644
--- a/acinclude/os-deps.m4
+++ b/acinclude/os-deps.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
@@ -86,7 +86,7 @@ dnl check that we have functional libcap2 headers
 dnl sets squid_cv_sys_capability_works to "yes" or "no"
 
 AC_DEFUN([SQUID_CHECK_FUNCTIONAL_LIBCAP2],[
-  AC_CACHE_CHECK([for operational libcap2 headers], 
+  AC_CACHE_CHECK([for operational libcap2 headers],
                  squid_cv_sys_capability_works,
     AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #include <stdlib.h>
@@ -218,7 +218,7 @@ int main(int argc, char **argv) {
         i = j = 1<<14;
         while (j) {
                 j >>= 1;
-                if (dup2(0, i) < 0) { 
+                if (dup2(0, i) < 0) {
                         i -= j;
                 } else {
                         close(i);
@@ -272,7 +272,7 @@ AC_CACHE_CHECK([for sin6_len field in struct sockaddr_in6],
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
-              ]], [[ struct sockaddr_in6 s; s.sin6_len = 1; ]])],[ ac_cv_have_sin6_len_in_struct_sai="yes" ],[ ac_cv_have_sin6_len_in_struct_sai="no" 
+              ]], [[ struct sockaddr_in6 s; s.sin6_len = 1; ]])],[ ac_cv_have_sin6_len_in_struct_sai="yes" ],[ ac_cv_have_sin6_len_in_struct_sai="no"
       ])
 ])
 SQUID_DEFINE_BOOL(HAVE_SIN6_LEN_IN_SAI,$ac_cv_have_sin6_len_in_struct_sai,
@@ -291,7 +291,7 @@ AC_CACHE_CHECK([for ss_len field in struct sockaddr_storage],
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
-		]], [[ struct sockaddr_storage s; s.ss_len = 1; ]])],[ ac_cv_have_ss_len_in_struct_ss="yes" ],[ ac_cv_have_ss_len_in_struct_ss="no" 
+		]], [[ struct sockaddr_storage s; s.ss_len = 1; ]])],[ ac_cv_have_ss_len_in_struct_ss="yes" ],[ ac_cv_have_ss_len_in_struct_ss="no"
 	])
 ])
 SQUID_DEFINE_BOOL(HAVE_SS_LEN_IN_SS,$ac_cv_have_ss_len_in_struct_ss,
@@ -310,7 +310,7 @@ AC_CACHE_CHECK([for sin_len field in struct sockaddr_in],
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
-                ]], [[ struct sockaddr_in s; s.sin_len = 1; ]])],[ ac_cv_have_sin_len_in_struct_sai="yes" ],[ ac_cv_have_sin_len_in_struct_sai="no" 
+                ]], [[ struct sockaddr_in s; s.sin_len = 1; ]])],[ ac_cv_have_sin_len_in_struct_sai="yes" ],[ ac_cv_have_sin_len_in_struct_sai="no"
         ])
 ])
 SQUID_DEFINE_BOOL(HAVE_SIN_LEN_IN_SAI,$ac_cv_have_sin_len_in_struct_sai,[Define if sockaddr_in has field sin_len])
@@ -407,7 +407,7 @@ int main(int argc, char **argv)
         if (getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &val, &len) < 0) return 1;
 #endif
 	if (val <= 0) return 1;
-	fp = fopen("conftestval", "w"); 
+	fp = fopen("conftestval", "w");
 	fprintf (fp, "%d\n", val);
 	return 0;
 }
@@ -457,7 +457,7 @@ int main(int argc, char **argv)
         if (getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &val, &len) < 0) return 1;
 #endif
 	if (val <= 0) return 1;
-	fp = fopen("conftestval", "w"); 
+	fp = fopen("conftestval", "w");
 	fprintf (fp, "%d\n", val);
 	return 0;
 }
@@ -511,7 +511,7 @@ int main(int argc, char **argv)
         if (getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &val, &len) < 0) return 1;
 #endif
 	if (val <= 0) return 1;
-	fp = fopen("conftestval", "w"); 
+	fp = fopen("conftestval", "w");
 	fprintf (fp, "%d\n", val);
 	return 0;
 }
@@ -563,7 +563,7 @@ AC_CACHE_CHECK(for working statvfs() interface,ac_cv_func_statvfs,[
 #include <sys/statvfs.h>
 ]], [[
 struct statvfs sfs;
-sfs.f_blocks = sfs.f_bfree = sfs.f_frsize = 
+sfs.f_blocks = sfs.f_bfree = sfs.f_frsize =
 sfs.f_files = sfs.f_ffree = 0;
 statvfs("/tmp", &sfs);
 ]])],[ac_cv_func_statvfs=yes],[ac_cv_func_statvfs=no])
@@ -586,7 +586,7 @@ AC_CACHE_CHECK([for f_frsize field in struct statfs],
 #if HAVE_SYS_VFS_H
 #include <sts/vfs.h>
 #endif
-                ]], [[ struct statfs s; s.f_frsize = 0; ]])],[ ac_cv_have_f_frsize_in_struct_statfs="yes" ],[ ac_cv_have_f_frsize_in_struct_statfs="no" 
+                ]], [[ struct statfs s; s.f_frsize = 0; ]])],[ ac_cv_have_f_frsize_in_struct_statfs="yes" ],[ ac_cv_have_f_frsize_in_struct_statfs="no"
         ])
 ])
 SQUID_DEFINE_BOOL(HAVE_F_FRSIZE_IN_STATFS,$ac_cv_have_f_frsize_in_struct_statfs,[Define if struct statfs has field f_frsize (Linux 2.6 or later)])
@@ -629,7 +629,7 @@ AC_DEFUN([SQUID_CHECK_RESOLVER_FIELDS],[
 #if HAVE_RESOLV_H
 #include <resolv.h>
 #endif
-    ]], 
+    ]],
     [[_res_ext.nsaddr_list[[0]].s_addr;]])],[
       ac_cv_have_res_ext_nsaddr_list="yes" ],[
       ac_cv_have_res_ext_nsaddr_list="no"]))
@@ -708,7 +708,7 @@ AC_CACHE_CHECK(for _res.nsaddr_list, ac_cv_have_res_nsaddr_list,
 #if HAVE_RESOLV_H
 #include <resolv.h>
 #endif
-  ]], 
+  ]],
   [[_res.ns_list[[0]].addr;]])],
   [ac_cv_have_res_ns_list="yes"],[ac_cv_have_res_ns_list="no"]))
   if test $ac_cv_have_res_ns_list = "yes" ; then
diff --git a/acinclude/pam.m4 b/acinclude/pam.m4
index 358c73d..bc78d20 100644
--- a/acinclude/pam.m4
+++ b/acinclude/pam.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
@@ -25,15 +25,15 @@ password_conversation(int num_msg, const struct pam_message **msg, struct pam_re
 static struct pam_conv conv = { &password_conversation, 0 };
 ]])], [
    squid_cv_pam_conv_signature=linux
-], [ 
+], [
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <security/pam_appl.h>
 static int
 password_conversation(int num_msg, struct pam_message **msg, struct pam_response **resp, void *appdata_ptr) { return 0; }
 static struct pam_conv conv = { &password_conversation, 0 };
-]])], [ 
+]])], [
   squid_cv_pam_conv_signature=solaris
- ], [ 
+ ], [
   squid_cv_pam_conv_signature=unknown
   ])
     ])
diff --git a/acinclude/pkg.m4 b/acinclude/pkg.m4
index 8f1dd78..4301934 100644
--- a/acinclude/pkg.m4
+++ b/acinclude/pkg.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
@@ -7,7 +7,7 @@
 
 # pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
 # serial 1 (pkg-config-0.24)
-# 
+#
 # Copyright © 2004 Scott James Remnant <[e-mail]>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -128,7 +128,7 @@ if test $pkg_failed = yes; then
         _PKG_SHORT_ERRORS_SUPPORTED
         if test $_pkg_short_errors_supported = yes; then
 	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`
-        else 
+        else
 	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
diff --git a/acinclude/squid-util.m4 b/acinclude/squid-util.m4
index cbeaefc..6a4e669 100644
--- a/acinclude/squid-util.m4
+++ b/acinclude/squid-util.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
@@ -70,7 +70,7 @@ SQUID_STATE_COMMIT($1)
 
 dnl look for modules in the base-directory supplied as argument.
 dnl fill-in the variable pointed-to by the second argument with the
-dnl space-separated list of modules 
+dnl space-separated list of modules
 AC_DEFUN([SQUID_LOOK_FOR_MODULES],[
 $2=""
 for dir in $1/*; do
@@ -113,7 +113,7 @@ dnl named $2_modulename to value "yes"
 dnl e.g. SQUID_CHECK_EXISTING_MODULES([$srcdir/src/fs],[foo_module_candidates])
 dnl where $foo_module_candidates is "foo bar gazonk"
 dnl checks whether $srcdir/src/fs/{foo,bar,gazonk} exist and are all dirs
-dnl AND sets $foo_module_candidates_foo, $foo_module_candidates_bar 
+dnl AND sets $foo_module_candidates_foo, $foo_module_candidates_bar
 dnl and $foo_module_candidates_gazonk to "yes"
 AC_DEFUN([SQUID_CHECK_EXISTING_MODULES],[
   for squid_module_check_exist_tmp in $$2
@@ -145,12 +145,12 @@ dnl 0: "no" , "false", 0, ""
 dnl aborts with an error for unknown values
 AC_DEFUN([SQUID_DEFINE_BOOL],[
 squid_tmp_define=""
-case "$2" in 
+case "$2" in
   yes|true|1) squid_tmp_define="1" ;;
   no|false|0|"") squid_tmp_define="0" ;;
   *) AC_MSG_ERROR([SQUID_DEFINE[]_BOOL: unrecognized value for $1: '$2']) ;;
 esac
-ifelse([$#],3, 
+ifelse([$#],3,
   [AC_DEFINE_UNQUOTED([$1], [$squid_tmp_define],[$3])],
   [AC_DEFINE_UNQUOTED([$1], [$squid_tmp_define])]
 )
@@ -170,7 +170,7 @@ AC_DEFUN([SQUID_EMBED_BUILD_INFO],[
     AS_HELP_STRING([--enable-build-info="build info string"],
       [Add an additional string in the output of "squid -v".
        Default is not to add anything. If the string is not specified,
-       tries to determine nick and revision number of the current 
+       tries to determine nick and revision number of the current
        bazaar branch]),[
   case "$enableval" in
     no) ${TRUE}
diff --git a/acinclude/tdb.m4 b/acinclude/tdb.m4
index 5baef61..5453533 100644
--- a/acinclude/tdb.m4
+++ b/acinclude/tdb.m4
@@ -1,4 +1,4 @@
-## Copyright (C) 1996-2021 The Squid Software Foundation and contributors
+## Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 ##
 ## Squid software is distributed under GPLv2+ license and includes
 ## contributions from numerous individuals and organizations.
diff --git a/aclocal.m4 b/aclocal.m4
index c2de012..46d9cd5 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,4 @@
-# generated automatically by aclocal 1.16.4 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.5 -*- Autoconf -*-
 
 # Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
@@ -20,7329 +20,7200 @@ You have another version of autoconf.  It may work, but is not guaranteed to.
 If you have problems, you may need to regenerate the build system entirely.
 To do so, use the procedure documented by the package, typically 'autoreconf'.])])
 
-# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
-#
-#   Copyright (C) 1996-2001, 2003-2015 Free Software Foundation, Inc.
-#   Written by Gordon Matzigkeit, 1996
+# Copyright (C) 2002-2021 Free Software Foundation, Inc.
 #
-# This file is free software; the Free Software Foundation gives
-# unlimited permission to copy and/or distribute it, with or without
-# modifications, as long as this notice is preserved.
-
-m4_define([_LT_COPYING], [dnl
-# Copyright (C) 2014 Free Software Foundation, Inc.
-# This is free software; see the source for copying conditions.  There is NO
-# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-# GNU Libtool is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of of the License, or
-# (at your option) any later version.
-#
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program or library that is built
-# using GNU Libtool, you may include this file under the  same
-# distribution terms that you use for the rest of that program.
-#
-# GNU Libtool is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# AM_AUTOMAKE_VERSION(VERSION)
+# ----------------------------
+# Automake X.Y traces this macro to ensure aclocal.m4 has been
+# generated from the m4 files accompanying Automake X.Y.
+# (This private macro should not be called outside this file.)
+AC_DEFUN([AM_AUTOMAKE_VERSION],
+[am__api_version='1.16'
+dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
+dnl require some minimum version.  Point them to the right macro.
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+      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
-# serial 58 LT_INIT
+# _AM_AUTOCONF_VERSION(VERSION)
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+# This is a private macro too.  Using m4_define simplifies
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+m4_define([_AM_AUTOCONF_VERSION], [])
 
+# AM_SET_CURRENT_AUTOMAKE_VERSION
+# -------------------------------
+# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
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+[AM_AUTOMAKE_VERSION([1.16.5])dnl
+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
+_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
 
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-       [m4_default([$3],
-		   [m4_fatal([Libtool version $1 or higher is required],
-		             63)])],
-       [$2])])
+# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
 
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
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-[case `pwd` in
-  *\ * | *\	*)
-    AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;
-esac
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+# $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
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+#
+# Of course, Automake must honor this variable whenever it calls a
+# tool from the auxiliary directory.  The problem is that $srcdir (and
+# therefore $ac_aux_dir as well) can be either absolute or relative,
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+# start a VPATH build or use an absolute $srcdir.
+#
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+#   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
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+# This will work as long as MISSING is not called from configure, because
+# unfortunately $(top_srcdir) has no meaning in configure.
+# However there are other variables, like CC, which are often used in
+# configure, and could therefore not use this "fixed" $ac_aux_dir.
+#
+# Another solution, used here, is to always expand $ac_aux_dir to an
+# absolute PATH.  The drawback is that using absolute paths prevent a
+# configured tree to be moved without reconfiguration.
+
+AC_DEFUN([AM_AUX_DIR_EXPAND],
+[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+# Expand $ac_aux_dir to an absolute path.
+am_aux_dir=`cd "$ac_aux_dir" && pwd`
 ])
 
+# AM_CONDITIONAL                                            -*- Autoconf -*-
 
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-# ------------------
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-[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
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-AC_BEFORE([$0], [LT_OUTPUT])dnl
-AC_BEFORE([$0], [LTDL_INIT])dnl
-m4_require([_LT_CHECK_BUILDDIR])dnl
+# Copyright (C) 1997-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
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-m4_require([_LT_PROG_LTMAIN])dnl
+# AM_CONDITIONAL(NAME, SHELL-CONDITION)
+# -------------------------------------
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+AC_DEFUN([AM_CONDITIONAL],
+[AC_PREREQ([2.52])dnl
+ m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
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+fi])])
 
-_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}])
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+#
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+# with or without modifications, as long as this notice is preserved.
 
-dnl Parse OPTIONS
-_LT_SET_OPTIONS([$0], [$1])
 
-# This can be used to rebuild libtool when needed
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+# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
 
-# Always use our own libtool.
-LIBTOOL='$(SHELL) $(top_builddir)/libtool'
-AC_SUBST(LIBTOOL)dnl
 
-_LT_SETUP
+# _AM_DEPENDENCIES(NAME)
+# ----------------------
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+# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
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+AC_DEFUN([_AM_DEPENDENCIES],
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-])# LT_INIT
+m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
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+      [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
+      [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
+                    [depcc="$$1"   am_compiler_list=])
 
-# Old names:
-AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
-AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
-dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
+AC_CACHE_CHECK([dependency style of $depcc],
+               [am_cv_$1_dependencies_compiler_type],
+[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
 
+  am_cv_$1_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
+  fi
+  am__universal=false
+  m4_case([$1], [CC],
+    [case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac],
+    [CXX],
+    [case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac])
 
-# _LT_PREPARE_CC_BASENAME
-# -----------------------
-m4_defun([_LT_PREPARE_CC_BASENAME], [
-# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
-func_cc_basename ()
-{
-    for cc_temp in @S|@*""; do
-      case $cc_temp in
-        compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
-        distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
-        \-*) ;;
-        *) break;;
-      esac
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
     done
-    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
-}
-])# _LT_PREPARE_CC_BASENAME
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested.
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+      # This compiler won't grok '-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
+    none) break ;;
+    esac
+    if depmode=$depmode \
+       source=sub/conftest.c object=$am__obj \
+       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+         >/dev/null 2>conftest.err &&
+       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+      # icc doesn't choke on unknown options, it will just issue warnings
+      # or remarks (even with -Werror).  So we grep stderr for any message
+      # that says an option was ignored or not supported.
+      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      #   icc: Command line warning: ignoring option '-M'; no argument required
+      # The diagnosis changed in icc 8.0:
+      #   icc: Command line remark: option '-MP' not supported
+      if (grep 'ignoring option' conftest.err ||
+          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+        am_cv_$1_dependencies_compiler_type=$depmode
+        break
+      fi
+    fi
+  done
 
-# _LT_CC_BASENAME(CC)
-# -------------------
-# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME,
-# but that macro is also expanded into generated libtool script, which
-# arranges for $SED and $ECHO to be set by different means.
-m4_defun([_LT_CC_BASENAME],
-[m4_require([_LT_PREPARE_CC_BASENAME])dnl
-AC_REQUIRE([_LT_DECL_SED])dnl
-AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
-func_cc_basename $1
-cc_basename=$func_cc_basename_result
+  cd ..
+  rm -rf conftest.dir
+else
+  am_cv_$1_dependencies_compiler_type=none
+fi
+])
+AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
+AM_CONDITIONAL([am__fastdep$1], [
+  test "x$enable_dependency_tracking" != xno \
+  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
 ])
 
 
-# _LT_FILEUTILS_DEFAULTS
-# ----------------------
-# It is okay to use these file commands and assume they have been set
-# sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'.
-m4_defun([_LT_FILEUTILS_DEFAULTS],
-[: ${CP="cp -f"}
-: ${MV="mv -f"}
-: ${RM="rm -f"}
-])# _LT_FILEUTILS_DEFAULTS
-
-
-# _LT_SETUP
-# ---------
-m4_defun([_LT_SETUP],
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-AC_REQUIRE([AC_CANONICAL_BUILD])dnl
-AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
-AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+# AM_SET_DEPDIR
+# -------------
+# Choose a directory name for dependency files.
+# This macro is AC_REQUIREd in _AM_DEPENDENCIES.
+AC_DEFUN([AM_SET_DEPDIR],
+[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
+])
 
-_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
-dnl
-_LT_DECL([], [host_alias], [0], [The host system])dnl
-_LT_DECL([], [host], [0])dnl
-_LT_DECL([], [host_os], [0])dnl
-dnl
-_LT_DECL([], [build_alias], [0], [The build system])dnl
-_LT_DECL([], [build], [0])dnl
-_LT_DECL([], [build_os], [0])dnl
-dnl
-AC_REQUIRE([AC_PROG_CC])dnl
-AC_REQUIRE([LT_PATH_LD])dnl
-AC_REQUIRE([LT_PATH_NM])dnl
-dnl
-AC_REQUIRE([AC_PROG_LN_S])dnl
-test -z "$LN_S" && LN_S="ln -s"
-_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
-dnl
-AC_REQUIRE([LT_CMD_MAX_LEN])dnl
-_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
-_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
-dnl
-m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_CHECK_SHELL_FEATURES])dnl
-m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl
-m4_require([_LT_CMD_RELOAD])dnl
-m4_require([_LT_CHECK_MAGIC_METHOD])dnl
-m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl
-m4_require([_LT_CMD_OLD_ARCHIVE])dnl
-m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
-m4_require([_LT_WITH_SYSROOT])dnl
-m4_require([_LT_CMD_TRUNCATE])dnl
 
-_LT_CONFIG_LIBTOOL_INIT([
-# See if we are running on zsh, and set the options that allow our
-# commands through without removal of \ escapes INIT.
-if test -n "\${ZSH_VERSION+set}"; then
-   setopt NO_GLOB_SUBST
+# AM_DEP_TRACK
+# ------------
+AC_DEFUN([AM_DEP_TRACK],
+[AC_ARG_ENABLE([dependency-tracking], [dnl
+AS_HELP_STRING(
+  [--enable-dependency-tracking],
+  [do not reject slow dependency extractors])
+AS_HELP_STRING(
+  [--disable-dependency-tracking],
+  [speeds up one-time build])])
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
 fi
+AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
+AC_SUBST([AMDEPBACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
+AC_SUBST([am__nodep])dnl
+_AM_SUBST_NOTMAKE([am__nodep])dnl
 ])
-if test -n "${ZSH_VERSION+set}"; then
-   setopt NO_GLOB_SUBST
-fi
 
-_LT_CHECK_OBJDIR
+# Generate code to set up dependency tracking.              -*- Autoconf -*-
 
-m4_require([_LT_TAG_COMPILER])dnl
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-case $host_os in
-aix3*)
-  # AIX sometimes has problems with the GCC collect2 program.  For some
-  # reason, if we set the COLLECT_NAMES environment variable, the problems
-  # vanish in a puff of smoke.
-  if test set != "${COLLECT_NAMES+set}"; then
-    COLLECT_NAMES=
-    export COLLECT_NAMES
+# _AM_OUTPUT_DEPENDENCY_COMMANDS
+# ------------------------------
+AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
+[{
+  # Older Autoconf quotes --file arguments for eval, but not when files
+  # are listed without --file.  Let's play safe and only enable the eval
+  # if we detect the quoting.
+  # TODO: see whether this extra hack can be removed once we start
+  # requiring Autoconf 2.70 or later.
+  AS_CASE([$CONFIG_FILES],
+          [*\'*], [eval set x "$CONFIG_FILES"],
+          [*], [set x $CONFIG_FILES])
+  shift
+  # Used to flag and report bootstrapping failures.
+  am_rc=0
+  for am_mf
+  do
+    # Strip MF so we end up with the name of the file.
+    am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile which includes
+    # dependency-tracking related rules and includes.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
+    # limit of 2048, but all sed's we know have understand at least 4000.
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
+      || continue
+    am_dirpart=`AS_DIRNAME(["$am_mf"])`
+    am_filepart=`AS_BASENAME(["$am_mf"])`
+    AM_RUN_LOG([cd "$am_dirpart" \
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
+        | $MAKE -f - am--depfiles]) || am_rc=$?
+  done
+  if test $am_rc -ne 0; then
+    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
+    for automatic dependency tracking.  If GNU make was not used, consider
+    re-running the configure script with MAKE="gmake" (or whatever is
+    necessary).  You can also try re-running configure with the
+    '--disable-dependency-tracking' option to at least be able to build
+    the package (albeit without support for automatic dependency tracking).])
   fi
-  ;;
-esac
-
-# Global variables:
-ofile=libtool
-can_build_shared=yes
+  AS_UNSET([am_dirpart])
+  AS_UNSET([am_filepart])
+  AS_UNSET([am_mf])
+  AS_UNSET([am_rc])
+  rm -f conftest-deps.mk
+}
+])# _AM_OUTPUT_DEPENDENCY_COMMANDS
 
-# All known linkers require a '.a' archive for static linking (except MSVC,
-# which needs '.lib').
-libext=a
 
-with_gnu_ld=$lt_cv_prog_gnu_ld
+# AM_OUTPUT_DEPENDENCY_COMMANDS
+# -----------------------------
+# This macro should only be invoked once -- use via AC_REQUIRE.
+#
+# This code is only required when automatic dependency tracking is enabled.
+# This creates each '.Po' and '.Plo' makefile fragment that we'll need in
+# order to bootstrap the dependency handling code.
+AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
+[AC_CONFIG_COMMANDS([depfiles],
+     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
+     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
 
-old_CC=$CC
-old_CFLAGS=$CFLAGS
+# Do all the work for Automake.                             -*- Autoconf -*-
 
-# Set sane defaults for various variables
-test -z "$CC" && CC=cc
-test -z "$LTCC" && LTCC=$CC
-test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
-test -z "$LD" && LD=ld
-test -z "$ac_objext" && ac_objext=o
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-_LT_CC_BASENAME([$compiler])
+# This macro actually does too much.  Some checks are only needed if
+# your package does certain things.  But this isn't really a big deal.
 
-# Only perform the check for file, if the check method requires it
-test -z "$MAGIC_CMD" && MAGIC_CMD=file
-case $deplibs_check_method in
-file_magic*)
-  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
-    _LT_PATH_MAGIC
-  fi
-  ;;
-esac
+dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
+m4_define([AC_PROG_CC],
+m4_defn([AC_PROG_CC])
+[_AM_PROG_CC_C_O
+])
 
-# Use C for the default configuration in the libtool script
-LT_SUPPORTED_TAG([CC])
-_LT_LANG_C_CONFIG
-_LT_LANG_DEFAULT_CONFIG
-_LT_CONFIG_COMMANDS
-])# _LT_SETUP
+# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
+# AM_INIT_AUTOMAKE([OPTIONS])
+# -----------------------------------------------
+# The call with PACKAGE and VERSION arguments is the old style
+# call (pre autoconf-2.50), which is being phased out.  PACKAGE
+# and VERSION should now be passed to AC_INIT and removed from
+# the call to AM_INIT_AUTOMAKE.
+# We support both call styles for the transition.  After
+# the next Automake release, Autoconf can make the AC_INIT
+# arguments mandatory, and then we can depend on a new Autoconf
+# release and drop the old call support.
+AC_DEFUN([AM_INIT_AUTOMAKE],
+[AC_PREREQ([2.65])dnl
+m4_ifdef([_$0_ALREADY_INIT],
+  [m4_fatal([$0 expanded multiple times
+]m4_defn([_$0_ALREADY_INIT]))],
+  [m4_define([_$0_ALREADY_INIT], m4_expansion_stack)])dnl
+dnl Autoconf wants to disallow AM_ names.  We explicitly allow
+dnl the ones we care about.
+m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
+AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
+AC_REQUIRE([AC_PROG_INSTALL])dnl
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+  # is not polluted with repeated "-I."
+  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
+  # test to see if srcdir already configured
+  if test -f $srcdir/config.status; then
+    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+  fi
+fi
 
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+  if (cygpath --version) >/dev/null 2>/dev/null; then
+    CYGPATH_W='cygpath -w'
+  else
+    CYGPATH_W=echo
+  fi
+fi
+AC_SUBST([CYGPATH_W])
 
-# _LT_PREPARE_SED_QUOTE_VARS
-# --------------------------
-# Define a few sed substitution that help us do robust quoting.
-m4_defun([_LT_PREPARE_SED_QUOTE_VARS],
-[# Backslashify metacharacters that are still active within
-# double-quoted strings.
-sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'
+# Define the identity of the package.
+dnl Distinguish between old-style and new-style calls.
+m4_ifval([$2],
+[AC_DIAGNOSE([obsolete],
+             [$0: two- and three-arguments forms are deprecated.])
+m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
+ AC_SUBST([PACKAGE], [$1])dnl
+ AC_SUBST([VERSION], [$2])],
+[_AM_SET_OPTIONS([$1])dnl
+dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
+m4_if(
+  m4_ifset([AC_PACKAGE_NAME], [ok]):m4_ifset([AC_PACKAGE_VERSION], [ok]),
+  [ok:ok],,
+  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
+ AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
+ AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
 
-# Same as above, but do not quote variable references.
-double_quote_subst='s/\([["`\\]]\)/\\\1/g'
+_AM_IF_OPTION([no-define],,
+[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
+ AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
 
-# Sed substitution to delay expansion of an escaped shell variable in a
-# double_quote_subst'ed string.
-delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+# Some tools Automake needs.
+AC_REQUIRE([AM_SANITY_CHECK])dnl
+AC_REQUIRE([AC_ARG_PROGRAM])dnl
+AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
+AM_MISSING_PROG([AUTOCONF], [autoconf])
+AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
+AM_MISSING_PROG([AUTOHEADER], [autoheader])
+AM_MISSING_PROG([MAKEINFO], [makeinfo])
+AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
+AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+# For better backward compatibility.  To be removed once Automake 1.9.x
+# dies out for good.  For more background, see:
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
+# We need awk for the "check" target (and possibly the TAP driver).  The
+# system "awk" is bad on some platforms.
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+AC_REQUIRE([AM_SET_LEADING_DOT])dnl
+_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
+	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+			     [_AM_PROG_TAR([v7])])])
+_AM_IF_OPTION([no-dependencies],,
+[AC_PROVIDE_IFELSE([AC_PROG_CC],
+		  [_AM_DEPENDENCIES([CC])],
+		  [m4_define([AC_PROG_CC],
+			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_CXX],
+		  [_AM_DEPENDENCIES([CXX])],
+		  [m4_define([AC_PROG_CXX],
+			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJC],
+		  [_AM_DEPENDENCIES([OBJC])],
+		  [m4_define([AC_PROG_OBJC],
+			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
+		  [_AM_DEPENDENCIES([OBJCXX])],
+		  [m4_define([AC_PROG_OBJCXX],
+			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
+])
+# Variables for tags utilities; see am/tags.am
+if test -z "$CTAGS"; then
+  CTAGS=ctags
+fi
+AC_SUBST([CTAGS])
+if test -z "$ETAGS"; then
+  ETAGS=etags
+fi
+AC_SUBST([ETAGS])
+if test -z "$CSCOPE"; then
+  CSCOPE=cscope
+fi
+AC_SUBST([CSCOPE])
 
-# Sed substitution to delay expansion of an escaped single quote.
-delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+AC_REQUIRE([AM_SILENT_RULES])dnl
+dnl The testsuite driver may need to know about EXEEXT, so add the
+dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
+dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_CONFIG_COMMANDS_PRE(dnl
+[m4_provide_if([_AM_COMPILER_EXEEXT],
+  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
 
-# Sed substitution to avoid accidental globbing in evaled expressions
-no_glob_subst='s/\*/\\\*/g'
-])
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
 
-# _LT_PROG_LTMAIN
-# ---------------
-# Note that this code is called both from 'configure', and 'config.status'
-# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,
-# 'config.status' has no value for ac_aux_dir unless we are using Automake,
-# so we pass a copy along to make sure it has a sensible value anyway.
-m4_defun([_LT_PROG_LTMAIN],
-[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
-_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
-ltmain=$ac_aux_dir/ltmain.sh
-])# _LT_PROG_LTMAIN
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
 
+Please tell [e-mail] about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
 
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
 
-# So that we can recreate a full libtool script including additional
-# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
-# in macros and then make a single call at the end using the 'libtool'
-# label.
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
 
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
 
-# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
-# ----------------------------------------
-# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
-m4_define([_LT_CONFIG_LIBTOOL_INIT],
-[m4_ifval([$1],
-          [m4_append([_LT_OUTPUT_LIBTOOL_INIT],
-                     [$1
-])])])
+END
+    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
+  fi
+fi
+dnl The trailing newline in this macro's definition is deliberate, for
+dnl backward compatibility and to allow trailing 'dnl'-style comments
+dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
+])
 
-# Initialize.
-m4_define([_LT_OUTPUT_LIBTOOL_INIT])
+dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
+dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
+dnl mangled by Autoconf and run in a shell conditional statement.
+m4_define([_AC_COMPILER_EXEEXT],
+m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
 
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated.  The stamp files are numbered to have different names.
 
-# _LT_CONFIG_LIBTOOL([COMMANDS])
-# ------------------------------
-# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
-m4_define([_LT_CONFIG_LIBTOOL],
-[m4_ifval([$1],
-          [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
-                     [$1
-])])])
-
-# Initialize.
-m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
-
+# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
+# loop where config.status creates the headers, so we can generate
+# our stamp files there.
+AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
+[# Compute $1's index in $config_headers.
+_am_arg=$1
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+  case $_am_header in
+    $_am_arg | $_am_arg:* )
+      break ;;
+    * )
+      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+  esac
+done
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
 
-# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
-# -----------------------------------------------------
-m4_defun([_LT_CONFIG_SAVE_COMMANDS],
-[_LT_CONFIG_LIBTOOL([$1])
-_LT_CONFIG_LIBTOOL_INIT([$2])
-])
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
+# AM_PROG_INSTALL_SH
+# ------------------
+# Define $install_sh.
+AC_DEFUN([AM_PROG_INSTALL_SH],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+if test x"${install_sh+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+AC_SUBST([install_sh])])
 
-# _LT_FORMAT_COMMENT([COMMENT])
-# -----------------------------
-# Add leading comment marks to the start of each line, and a trailing
-# full-stop to the whole comment if one is not present already.
-m4_define([_LT_FORMAT_COMMENT],
-[m4_ifval([$1], [
-m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],
-              [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
-)])
+# Copyright (C) 2003-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
+# Check whether the underlying file-system supports filenames
+# with a leading dot.  For instance MS-DOS doesn't.
+AC_DEFUN([AM_SET_LEADING_DOT],
+[rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+  am__leading_dot=.
+else
+  am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+AC_SUBST([am__leading_dot])])
 
+# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
+# From Jim Meyering
 
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
+# AM_MAINTAINER_MODE([DEFAULT-MODE])
+# ----------------------------------
+# Control maintainer-specific portions of Makefiles.
+# Default is to disable them, unless 'enable' is passed literally.
+# For symmetry, 'disable' may be passed as well.  Anyway, the user
+# can override the default with the --enable/--disable switch.
+AC_DEFUN([AM_MAINTAINER_MODE],
+[m4_case(m4_default([$1], [disable]),
+       [enable], [m4_define([am_maintainer_other], [disable])],
+       [disable], [m4_define([am_maintainer_other], [enable])],
+       [m4_define([am_maintainer_other], [enable])
+        m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+  dnl maintainer-mode's default is 'disable' unless 'enable' is passed
+  AC_ARG_ENABLE([maintainer-mode],
+    [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
+      am_maintainer_other[ make rules and dependencies not useful
+      (and sometimes confusing) to the casual installer])],
+    [USE_MAINTAINER_MODE=$enableval],
+    [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
+  AC_MSG_RESULT([$USE_MAINTAINER_MODE])
+  AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
+  MAINT=$MAINTAINER_MODE_TRUE
+  AC_SUBST([MAINT])dnl
+]
+)
 
-# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
-# -------------------------------------------------------------------
-# CONFIGNAME is the name given to the value in the libtool script.
-# VARNAME is the (base) name used in the configure script.
-# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
-# VARNAME.  Any other value will be used directly.
-m4_define([_LT_DECL],
-[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
-    [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
-	[m4_ifval([$1], [$1], [$2])])
-    lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
-    m4_ifval([$4],
-	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
-    lt_dict_add_subkey([lt_decl_dict], [$2],
-	[tagged?], [m4_ifval([$5], [yes], [no])])])
-])
+# Check to see how 'make' treats includes.	            -*- Autoconf -*-
 
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
-# --------------------------------------------------------
-m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
+# AM_MAKE_INCLUDE()
+# -----------------
+# Check whether make has an 'include' directive that can support all
+# the idioms we need for our automatic dependency tracking code.
+AC_DEFUN([AM_MAKE_INCLUDE],
+[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
+cat > confinc.mk << 'END'
+am__doit:
+	@echo this is the am__doit target >confinc.out
+.PHONY: am__doit
+END
+am__include="#"
+am__quote=
+# BSD make does it like this.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
+echo 'include confinc.mk # ignored' > confmf.GNU
+_am_result=no
+for s in GNU BSD; do
+  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
+  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
+      ['0:this is the am__doit target'],
+      [AS_CASE([$s],
+          [BSD], [am__include='.include' am__quote='"'],
+          [am__include='include' am__quote=''])])
+  if test "$am__include" != "#"; then
+    _am_result="yes ($s style)"
+    break
+  fi
+done
+rm -f confinc.* confmf.*
+AC_MSG_RESULT([${_am_result}])
+AC_SUBST([am__include])])
+AC_SUBST([am__quote])])
 
+# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
 
-# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
-# ------------------------------------------------
-m4_define([lt_decl_tag_varnames],
-[_lt_decl_filter([tagged?], [yes], $@)])
+# Copyright (C) 1997-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
 
-# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
-# ---------------------------------------------------------
-m4_define([_lt_decl_filter],
-[m4_case([$#],
-  [0], [m4_fatal([$0: too few arguments: $#])],
-  [1], [m4_fatal([$0: too few arguments: $#: $1])],
-  [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
-  [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
-  [lt_dict_filter([lt_decl_dict], $@)])[]dnl
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it is modern enough.
+# If it is, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([missing])dnl
+if test x"${MISSING+set}" != xset; then
+  MISSING="\${SHELL} '$am_aux_dir/missing'"
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
+else
+  am_missing_run=
+  AC_MSG_WARN(['missing' script is too old or missing])
+fi
 ])
 
+# Helper functions for option handling.                     -*- Autoconf -*-
 
-# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
-# --------------------------------------------------
-m4_define([lt_decl_quote_varnames],
-[_lt_decl_filter([value], [1], $@)])
-
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
-# ---------------------------------------------------
-m4_define([lt_decl_dquote_varnames],
-[_lt_decl_filter([value], [2], $@)])
+# _AM_MANGLE_OPTION(NAME)
+# -----------------------
+AC_DEFUN([_AM_MANGLE_OPTION],
+[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
 
+# _AM_SET_OPTION(NAME)
+# --------------------
+# Set option NAME.  Presently that only means defining a flag for this option.
+AC_DEFUN([_AM_SET_OPTION],
+[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
 
-# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
-# ---------------------------------------------------
-m4_define([lt_decl_varnames_tagged],
-[m4_assert([$# <= 2])dnl
-_$0(m4_quote(m4_default([$1], [[, ]])),
-    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
-    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
-m4_define([_lt_decl_varnames_tagged],
-[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
+# _AM_SET_OPTIONS(OPTIONS)
+# ------------------------
+# OPTIONS is a space-separated list of Automake options.
+AC_DEFUN([_AM_SET_OPTIONS],
+[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
 
+# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
+# -------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+AC_DEFUN([_AM_IF_OPTION],
+[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
 
-# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
-# ------------------------------------------------
-m4_define([lt_decl_all_varnames],
-[_$0(m4_quote(m4_default([$1], [[, ]])),
-     m4_if([$2], [],
-	   m4_quote(lt_decl_varnames),
-	m4_quote(m4_shift($@))))[]dnl
-])
-m4_define([_lt_decl_all_varnames],
-[lt_join($@, lt_decl_varnames_tagged([$1],
-			lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
-])
-
-
-# _LT_CONFIG_STATUS_DECLARE([VARNAME])
-# ------------------------------------
-# Quote a variable value, and forward it to 'config.status' so that its
-# declaration there will have the same value as in 'configure'.  VARNAME
-# must have a single quote delimited value for this to work.
-m4_define([_LT_CONFIG_STATUS_DECLARE],
-[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`'])
-
-
-# _LT_CONFIG_STATUS_DECLARATIONS
-# ------------------------------
-# We delimit libtool config variables with single quotes, so when
-# we write them to config.status, we have to be sure to quote all
-# embedded single quotes properly.  In configure, this macro expands
-# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
 #
-#    <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
-m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
-[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
-    [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
-
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-# _LT_LIBTOOL_TAGS
-# ----------------
-# Output comment and list of tags supported by the script
-m4_defun([_LT_LIBTOOL_TAGS],
-[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
-available_tags='_LT_TAGS'dnl
-])
+# _AM_PROG_CC_C_O
+# ---------------
+# Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
+# to automatically call this.
+AC_DEFUN([_AM_PROG_CC_C_O],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([compile])dnl
+AC_LANG_PUSH([C])dnl
+AC_CACHE_CHECK(
+  [whether $CC understands -c and -o together],
+  [am_cv_prog_cc_c_o],
+  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i])
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+AC_LANG_POP([C])])
 
+# For backward compatibility.
+AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
 
-# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
-# -----------------------------------
-# Extract the dictionary values for VARNAME (optionally with TAG) and
-# expand to a commented shell variable setting:
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
 #
-#    # Some comment about what VAR is for.
-#    visible_name=$lt_internal_name
-m4_define([_LT_LIBTOOL_DECLARE],
-[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
-					   [description])))[]dnl
-m4_pushdef([_libtool_name],
-    m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
-m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
-    [0], [_libtool_name=[$]$1],
-    [1], [_libtool_name=$lt_[]$1],
-    [2], [_libtool_name=$lt_[]$1],
-    [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
-m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
-])
-
-
-# _LT_LIBTOOL_CONFIG_VARS
-# -----------------------
-# Produce commented declarations of non-tagged libtool config variables
-# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool'
-# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG
-# section) are produced by _LT_LIBTOOL_TAG_VARS.
-m4_defun([_LT_LIBTOOL_CONFIG_VARS],
-[m4_foreach([_lt_var],
-    m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
-    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
-
-
-# _LT_LIBTOOL_TAG_VARS(TAG)
-# -------------------------
-m4_define([_LT_LIBTOOL_TAG_VARS],
-[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
-    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
-
-
-# _LT_TAGVAR(VARNAME, [TAGNAME])
-# ------------------------------
-m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
-
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-# _LT_CONFIG_COMMANDS
+# AM_RUN_LOG(COMMAND)
 # -------------------
-# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of
-# variables for single and double quote escaping we saved from calls
-# to _LT_DECL, we can put quote escaped variables declarations
-# into 'config.status', and then the shell code to quote escape them in
-# for loops in 'config.status'.  Finally, any additional code accumulated
-# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
-m4_defun([_LT_CONFIG_COMMANDS],
-[AC_PROVIDE_IFELSE([LT_OUTPUT],
-	dnl If the libtool generation code has been placed in $CONFIG_LT,
-	dnl instead of duplicating it all over again into config.status,
-	dnl then we will have config.status run $CONFIG_LT later, so it
-	dnl needs to know what name is stored there:
-        [AC_CONFIG_COMMANDS([libtool],
-            [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
-    dnl If the libtool generation code is destined for config.status,
-    dnl expand the accumulated commands and init code now:
-    [AC_CONFIG_COMMANDS([libtool],
-        [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
-])#_LT_CONFIG_COMMANDS
+# Run COMMAND, save the exit status in ac_status, and log it.
+# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
+AC_DEFUN([AM_RUN_LOG],
+[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
+   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   (exit $ac_status); }])
 
+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
 
-# Initialize.
-m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
-[
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+# AM_SANITY_CHECK
+# ---------------
+AC_DEFUN([AM_SANITY_CHECK],
+[AC_MSG_CHECKING([whether build environment is sane])
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[[\\\"\#\$\&\'\`$am_lf]]*)
+    AC_MSG_ERROR([unsafe absolute working directory name]);;
+esac
+case $srcdir in
+  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
+    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
+esac
 
-sed_quote_subst='$sed_quote_subst'
-double_quote_subst='$double_quote_subst'
-delay_variable_subst='$delay_variable_subst'
-_LT_CONFIG_STATUS_DECLARATIONS
-LTCC='$LTCC'
-LTCFLAGS='$LTCFLAGS'
-compiler='$compiler_DEFAULT'
+# Do 'set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   am_has_slept=no
+   for am_try in 1 2; do
+     echo "timestamp, slept: $am_has_slept" > conftest.file
+     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+     if test "$[*]" = "X"; then
+	# -L didn't work.
+	set X `ls -t "$srcdir/configure" conftest.file`
+     fi
+     if test "$[*]" != "X $srcdir/configure conftest.file" \
+	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
 
-# A function that is used when there is no print builtin or printf.
-func_fallback_echo ()
-{
-  eval 'cat <<_LTECHO_EOF
-\$[]1
-_LTECHO_EOF'
-}
+	# If neither matched, then we have a broken ls.  This can happen
+	# if, for instance, CONFIG_SHELL is bash and it inherits a
+	# broken ls alias from the environment.  This has actually
+	# happened.  Such a system could not be considered "sane".
+	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+  alias in your environment])
+     fi
+     if test "$[2]" = conftest.file || test $am_try -eq 2; then
+       break
+     fi
+     # Just in case.
+     sleep 1
+     am_has_slept=yes
+   done
+   test "$[2]" = conftest.file
+   )
+then
+   # Ok.
+   :
+else
+   AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+AC_MSG_RESULT([yes])
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+  ( sleep 1 ) &
+  am_sleep_pid=$!
+fi
+AC_CONFIG_COMMANDS_PRE(
+  [AC_MSG_CHECKING([that generated files are newer than configure])
+   if test -n "$am_sleep_pid"; then
+     # Hide warnings about reused PIDs.
+     wait $am_sleep_pid 2>/dev/null
+   fi
+   AC_MSG_RESULT([done])])
+rm -f conftest.file
+])
 
-# Quote evaled strings.
-for var in lt_decl_all_varnames([[ \
-]], lt_decl_quote_varnames); do
-    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
-    *[[\\\\\\\`\\"\\\$]]*)
-      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
-      ;;
-    *)
-      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
-      ;;
-    esac
-done
-
-# Double-quote double-evaled strings.
-for var in lt_decl_all_varnames([[ \
-]], lt_decl_dquote_varnames); do
-    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
-    *[[\\\\\\\`\\"\\\$]]*)
-      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
-      ;;
-    *)
-      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
-      ;;
-    esac
-done
+# Copyright (C) 2009-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-_LT_OUTPUT_LIBTOOL_INIT
+# AM_SILENT_RULES([DEFAULT])
+# --------------------------
+# Enable less verbose build rules; with the default set to DEFAULT
+# ("yes" being less verbose, "no" or empty being verbose).
+AC_DEFUN([AM_SILENT_RULES],
+[AC_ARG_ENABLE([silent-rules], [dnl
+AS_HELP_STRING(
+  [--enable-silent-rules],
+  [less verbose build output (undo: "make V=1")])
+AS_HELP_STRING(
+  [--disable-silent-rules],
+  [verbose build output (undo: "make V=0")])dnl
+])
+case $enable_silent_rules in @%:@ (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
+esac
+dnl
+dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
+dnl do not support nested variable expansions.
+dnl See automake bug#9928 and bug#10237.
+am_make=${MAKE-make}
+AC_CACHE_CHECK([whether $am_make supports nested variables],
+   [am_cv_make_support_nested_variables],
+   [if AS_ECHO([['TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi])
+if test $am_cv_make_support_nested_variables = yes; then
+  dnl Using '$V' instead of '$(V)' breaks IRIX make.
+  AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AC_SUBST([AM_V])dnl
+AM_SUBST_NOTMAKE([AM_V])dnl
+AC_SUBST([AM_DEFAULT_V])dnl
+AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
+AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
+AM_BACKSLASH='\'
+AC_SUBST([AM_BACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
 ])
 
-# _LT_GENERATED_FILE_INIT(FILE, [COMMENT])
-# ------------------------------------
-# Generate a child script FILE with all initialization necessary to
-# reuse the environment learned by the parent script, and make the
-# file executable.  If COMMENT is supplied, it is inserted after the
-# '#!' sequence but before initialization text begins.  After this
-# macro, additional text can be appended to FILE to form the body of
-# the child script.  The macro ends with non-zero status if the
-# file could not be fully written (such as if the disk is full).
-m4_ifdef([AS_INIT_GENERATED],
-[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])],
-[m4_defun([_LT_GENERATED_FILE_INIT],
-[m4_require([AS_PREPARE])]dnl
-[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl
-[lt_write_fail=0
-cat >$1 <<_ASEOF || lt_write_fail=1
-#! $SHELL
-# Generated by $as_me.
-$2
-SHELL=\${CONFIG_SHELL-$SHELL}
-export SHELL
-_ASEOF
-cat >>$1 <<\_ASEOF || lt_write_fail=1
-AS_SHELL_SANITIZE
-_AS_PREPARE
-exec AS_MESSAGE_FD>&1
-_ASEOF
-test 0 = "$lt_write_fail" && chmod +x $1[]dnl
-m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT
+# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-# LT_OUTPUT
-# ---------
-# This macro allows early generation of the libtool script (before
-# AC_OUTPUT is called), incase it is used in configure for compilation
-# tests.
-AC_DEFUN([LT_OUTPUT],
-[: ${CONFIG_LT=./config.lt}
-AC_MSG_NOTICE([creating $CONFIG_LT])
-_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
-[# Run this file to recreate a libtool stub with the current configuration.])
+# AM_PROG_INSTALL_STRIP
+# ---------------------
+# One issue with vendor 'install' (even GNU) is that you can't
+# specify the program used to strip binaries.  This is especially
+# annoying in cross-compiling environments, where the build's strip
+# is unlikely to handle the host's binaries.
+# Fortunately install-sh will honor a STRIPPROG variable, so we
+# always use install-sh in "make install-strip", and initialize
+# STRIPPROG with the value of the STRIP variable (set by the user).
+AC_DEFUN([AM_PROG_INSTALL_STRIP],
+[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip".  However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
+if test "$cross_compiling" != no; then
+  AC_CHECK_TOOL([STRIP], [strip], :)
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+AC_SUBST([INSTALL_STRIP_PROGRAM])])
 
-cat >>"$CONFIG_LT" <<\_LTEOF
-lt_cl_silent=false
-exec AS_MESSAGE_LOG_FD>>config.log
-{
-  echo
-  AS_BOX([Running $as_me.])
-} >&AS_MESSAGE_LOG_FD
+# Copyright (C) 2006-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-lt_cl_help="\
-'$as_me' creates a local libtool stub from the current configuration,
-for use in further configure time tests before the real libtool is
-generated.
+# _AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
+# This macro is traced by Automake.
+AC_DEFUN([_AM_SUBST_NOTMAKE])
 
-Usage: $[0] [[OPTIONS]]
+# AM_SUBST_NOTMAKE(VARIABLE)
+# --------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
+AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
-  -h, --help      print this help, then exit
-  -V, --version   print version number, then exit
-  -q, --quiet     do not print progress messages
-  -d, --debug     don't remove temporary files
+# Check how to create a tarball.                            -*- Autoconf -*-
 
-Report bugs to <[e-mail]>."
+# Copyright (C) 2004-2021 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
-lt_cl_version="\
-m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
-m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
-configured by $[0], generated by m4_PACKAGE_STRING.
+# _AM_PROG_TAR(FORMAT)
+# --------------------
+# Check how to create a tarball in format FORMAT.
+# FORMAT should be one of 'v7', 'ustar', or 'pax'.
+#
+# Substitute a variable $(am__tar) that is a command
+# writing to stdout a FORMAT-tarball containing the directory
+# $tardir.
+#     tardir=directory && $(am__tar) > result.tar
+#
+# Substitute a variable $(am__untar) that extract such
+# a tarball read from stdin.
+#     $(am__untar) < result.tar
+#
+AC_DEFUN([_AM_PROG_TAR],
+[# Always define AMTAR for backward compatibility.  Yes, it's still used
+# in the wild :-(  We should find a proper way to deprecate it ...
+AC_SUBST([AMTAR], ['$${TAR-tar}'])
 
-Copyright (C) 2011 Free Software Foundation, Inc.
-This config.lt script is free software; the Free Software Foundation
-gives unlimited permision to copy, distribute and modify it."
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
 
-while test 0 != $[#]
-do
-  case $[1] in
-    --version | --v* | -V )
-      echo "$lt_cl_version"; exit 0 ;;
-    --help | --h* | -h )
-      echo "$lt_cl_help"; exit 0 ;;
-    --debug | --d* | -d )
-      debug=: ;;
-    --quiet | --q* | --silent | --s* | -q )
-      lt_cl_silent=: ;;
+m4_if([$1], [v7],
+  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
 
-    -*) AC_MSG_ERROR([unrecognized option: $[1]
-Try '$[0] --help' for more information.]) ;;
+  [m4_case([$1],
+    [ustar],
+     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+      # There is notably a 21 bits limit for the UID and the GID.  In fact,
+      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+      # and bug#13588).
+      am_max_uid=2097151 # 2^21 - 1
+      am_max_gid=$am_max_uid
+      # The $UID and $GID variables are not portable, so we need to resort
+      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
+      # below are definitely unexpected, so allow the users to see them
+      # (that is, avoid stderr redirection).
+      am_uid=`id -u || echo unknown`
+      am_gid=`id -g || echo unknown`
+      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+      if test $am_uid -le $am_max_uid; then
+         AC_MSG_RESULT([yes])
+      else
+         AC_MSG_RESULT([no])
+         _am_tools=none
+      fi
+      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+      if test $am_gid -le $am_max_gid; then
+         AC_MSG_RESULT([yes])
+      else
+        AC_MSG_RESULT([no])
+        _am_tools=none
+      fi],
 
-    *) AC_MSG_ERROR([unrecognized argument: $[1]
-Try '$[0] --help' for more information.]) ;;
-  esac
-  shift
-done
+  [pax],
+    [],
 
-if $lt_cl_silent; then
-  exec AS_MESSAGE_FD>/dev/null
-fi
-_LTEOF
+  [m4_fatal([Unknown tar format])])
 
-cat >>"$CONFIG_LT" <<_LTEOF
-_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
-_LTEOF
+  AC_MSG_CHECKING([how to create a $1 tar archive])
 
-cat >>"$CONFIG_LT" <<\_LTEOF
-AC_MSG_NOTICE([creating $ofile])
-_LT_OUTPUT_LIBTOOL_COMMANDS
-AS_EXIT(0)
-_LTEOF
-chmod +x "$CONFIG_LT"
+  # Go ahead even if we have the value already cached.  We do so because we
+  # need to set the values for the 'am__tar' and 'am__untar' variables.
+  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
 
-# configure is writing to config.log, but config.lt does its own redirection,
-# appending to config.log, which fails on DOS, as config.log is still kept
-# open by configure.  Here we exec the FD to /dev/null, effectively closing
-# config.log, so it can be properly (re)opened and appended to by config.lt.
-lt_cl_success=:
-test yes = "$silent" &&
-  lt_config_lt_args="$lt_config_lt_args --quiet"
-exec AS_MESSAGE_LOG_FD>/dev/null
-$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
-exec AS_MESSAGE_LOG_FD>>config.log
-$lt_cl_success || AS_EXIT(1)
-])# LT_OUTPUT
+  for _am_tool in $_am_tools; do
+    case $_am_tool in
+    gnutar)
+      for _am_tar in tar gnutar gtar; do
+        AM_RUN_LOG([$_am_tar --version]) && break
+      done
+      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+      am__untar="$_am_tar -xf -"
+      ;;
+    plaintar)
+      # Must skip GNU tar: if it does not support --format= it doesn't create
+      # ustar tarball either.
+      (tar --version) >/dev/null 2>&1 && continue
+      am__tar='tar chf - "$$tardir"'
+      am__tar_='tar chf - "$tardir"'
+      am__untar='tar xf -'
+      ;;
+    pax)
+      am__tar='pax -L -x $1 -w "$$tardir"'
+      am__tar_='pax -L -x $1 -w "$tardir"'
+      am__untar='pax -r'
+      ;;
+    cpio)
+      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+      am__untar='cpio -i -H $1 -d'
+      ;;
+    none)
+      am__tar=false
+      am__tar_=false
+      am__untar=false
+      ;;
+    esac
 
+    # If the value was cached, stop now.  We just wanted to have am__tar
+    # and am__untar set.
+    test -n "${am_cv_prog_tar_$1}" && break
 
-# _LT_CONFIG(TAG)
-# ---------------
-# If TAG is the built-in tag, create an initial libtool script with a
-# default configuration from the untagged config vars.  Otherwise add code
-# to config.status for appending the configuration named by TAG from the
-# matching tagged config vars.
-m4_defun([_LT_CONFIG],
-[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-_LT_CONFIG_SAVE_COMMANDS([
-  m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
-  m4_if(_LT_TAG, [C], [
-    # See if we are running on zsh, and set the options that allow our
-    # commands through without removal of \ escapes.
-    if test -n "${ZSH_VERSION+set}"; then
-      setopt NO_GLOB_SUBST
+    # tar/untar a dummy directory, and stop if the command works.
+    rm -rf conftest.dir
+    mkdir conftest.dir
+    echo GrepMe > conftest.dir/file
+    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    rm -rf conftest.dir
+    if test -s conftest.tar; then
+      AM_RUN_LOG([$am__untar <conftest.tar])
+      AM_RUN_LOG([cat conftest.dir/file])
+      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
     fi
+  done
+  rm -rf conftest.dir
 
-    cfgfile=${ofile}T
-    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
-    $RM "$cfgfile"
-
-    cat <<_LT_EOF >> "$cfgfile"
-#! $SHELL
-# Generated automatically by $as_me ($PACKAGE) $VERSION
-# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
 
-# Provide generalized library-building support services.
-# Written by Gordon Matzigkeit, 1996
+AC_SUBST([am__tar])
+AC_SUBST([am__untar])
+]) # _AM_PROG_TAR
 
-_LT_COPYING
-_LT_LIBTOOL_TAGS
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+#
+#   Copyright (C) 1996-2001, 2003-2019, 2021-2022 Free Software
+#   Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
 
-# Configured defaults for sys_lib_dlsearch_path munging.
-: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
+m4_define([_LT_COPYING], [dnl
+# Copyright (C) 2014 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
-# ### BEGIN LIBTOOL CONFIG
-_LT_LIBTOOL_CONFIG_VARS
-_LT_LIBTOOL_TAG_VARS
-# ### END LIBTOOL CONFIG
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program or library that is built
+# using GNU Libtool, you may include this file under the  same
+# distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+])
 
-_LT_EOF
+# serial 59 LT_INIT
 
-    cat <<'_LT_EOF' >> "$cfgfile"
 
-# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
+# LT_PREREQ(VERSION)
+# ------------------
+# Complain and exit if this libtool version is less that VERSION.
+m4_defun([LT_PREREQ],
+[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1,
+       [m4_default([$3],
+		   [m4_fatal([Libtool version $1 or higher is required],
+		             63)])],
+       [$2])])
 
-_LT_PREPARE_MUNGE_PATH_LIST
-_LT_PREPARE_CC_BASENAME
 
-# ### END FUNCTIONS SHARED WITH CONFIGURE
+# _LT_CHECK_BUILDDIR
+# ------------------
+# Complain if the absolute build directory name contains unusual characters
+m4_defun([_LT_CHECK_BUILDDIR],
+[case `pwd` in
+  *\ * | *\	*)
+    AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;
+esac
+])
 
-_LT_EOF
 
-  case $host_os in
-  aix3*)
-    cat <<\_LT_EOF >> "$cfgfile"
-# AIX sometimes has problems with the GCC collect2 program.  For some
-# reason, if we set the COLLECT_NAMES environment variable, the problems
-# vanish in a puff of smoke.
-if test set != "${COLLECT_NAMES+set}"; then
-  COLLECT_NAMES=
-  export COLLECT_NAMES
-fi
-_LT_EOF
-    ;;
-  esac
+# LT_INIT([OPTIONS])
+# ------------------
+AC_DEFUN([LT_INIT],
+[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
+AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+AC_BEFORE([$0], [LT_LANG])dnl
+AC_BEFORE([$0], [LT_OUTPUT])dnl
+AC_BEFORE([$0], [LTDL_INIT])dnl
+m4_require([_LT_CHECK_BUILDDIR])dnl
 
-  _LT_PROG_LTMAIN
+dnl Autoconf doesn't catch unexpanded LT_ macros by default:
+m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
+m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
+dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
+dnl unless we require an AC_DEFUNed macro:
+AC_REQUIRE([LTOPTIONS_VERSION])dnl
+AC_REQUIRE([LTSUGAR_VERSION])dnl
+AC_REQUIRE([LTVERSION_VERSION])dnl
+AC_REQUIRE([LTOBSOLETE_VERSION])dnl
+m4_require([_LT_PROG_LTMAIN])dnl
 
-  # We use sed instead of cat because bash on DJGPP gets confused if
-  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
-  # text mode, it properly converts lines to CR/LF.  This bash problem
-  # is reportedly fixed, but why not run on old versions too?
-  sed '$q' "$ltmain" >> "$cfgfile" \
-     || (rm -f "$cfgfile"; exit 1)
+_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}])
 
-   mv -f "$cfgfile" "$ofile" ||
-    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
-  chmod +x "$ofile"
-],
-[cat <<_LT_EOF >> "$ofile"
+dnl Parse OPTIONS
+_LT_SET_OPTIONS([$0], [$1])
 
-dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
-dnl in a comment (ie after a #).
-# ### BEGIN LIBTOOL TAG CONFIG: $1
-_LT_LIBTOOL_TAG_VARS(_LT_TAG)
-# ### END LIBTOOL TAG CONFIG: $1
-_LT_EOF
-])dnl /m4_if
-],
-[m4_if([$1], [], [
-    PACKAGE='$PACKAGE'
-    VERSION='$VERSION'
-    RM='$RM'
-    ofile='$ofile'], [])
-])dnl /_LT_CONFIG_SAVE_COMMANDS
-])# _LT_CONFIG
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS=$ltmain
 
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)dnl
 
-# LT_SUPPORTED_TAG(TAG)
-# ---------------------
-# Trace this macro to discover what tags are supported by the libtool
-# --tag option, using:
-#    autoconf --trace 'LT_SUPPORTED_TAG:$1'
-AC_DEFUN([LT_SUPPORTED_TAG], [])
+_LT_SETUP
 
+# Only expand once:
+m4_define([LT_INIT])
+])# LT_INIT
 
-# C support is built-in for now
-m4_define([_LT_LANG_C_enabled], [])
-m4_define([_LT_TAGS], [])
+# Old names:
+AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
+AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
+dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
 
 
-# LT_LANG(LANG)
-# -------------
-# Enable libtool support for the given language if not already enabled.
-AC_DEFUN([LT_LANG],
-[AC_BEFORE([$0], [LT_OUTPUT])dnl
-m4_case([$1],
-  [C],			[_LT_LANG(C)],
-  [C++],		[_LT_LANG(CXX)],
-  [Go],			[_LT_LANG(GO)],
-  [Java],		[_LT_LANG(GCJ)],
-  [Fortran 77],		[_LT_LANG(F77)],
-  [Fortran],		[_LT_LANG(FC)],
-  [Windows Resource],	[_LT_LANG(RC)],
-  [m4_ifdef([_LT_LANG_]$1[_CONFIG],
-    [_LT_LANG($1)],
-    [m4_fatal([$0: unsupported language: "$1"])])])dnl
-])# LT_LANG
+# _LT_PREPARE_CC_BASENAME
+# -----------------------
+m4_defun([_LT_PREPARE_CC_BASENAME], [
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in @S|@*""; do
+      case $cc_temp in
+        compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
+        distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+])# _LT_PREPARE_CC_BASENAME
 
 
-# _LT_LANG(LANGNAME)
-# ------------------
-m4_defun([_LT_LANG],
-[m4_ifdef([_LT_LANG_]$1[_enabled], [],
-  [LT_SUPPORTED_TAG([$1])dnl
-  m4_append([_LT_TAGS], [$1 ])dnl
-  m4_define([_LT_LANG_]$1[_enabled], [])dnl
-  _LT_LANG_$1_CONFIG($1)])dnl
-])# _LT_LANG
+# _LT_CC_BASENAME(CC)
+# -------------------
+# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME,
+# but that macro is also expanded into generated libtool script, which
+# arranges for $SED and $ECHO to be set by different means.
+m4_defun([_LT_CC_BASENAME],
+[m4_require([_LT_PREPARE_CC_BASENAME])dnl
+AC_REQUIRE([_LT_DECL_SED])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+func_cc_basename $1
+cc_basename=$func_cc_basename_result
+])
 
 
-m4_ifndef([AC_PROG_GO], [
-# NOTE: This macro has been submitted for inclusion into   #
-#  GNU Autoconf as AC_PROG_GO.  When it is available in    #
-#  a released version of Autoconf we should remove this    #
-#  macro and use it instead.                               #
-m4_defun([AC_PROG_GO],
-[AC_LANG_PUSH(Go)dnl
-AC_ARG_VAR([GOC],     [Go compiler command])dnl
-AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl
-_AC_ARG_VAR_LDFLAGS()dnl
-AC_CHECK_TOOL(GOC, gccgo)
-if test -z "$GOC"; then
-  if test -n "$ac_tool_prefix"; then
-    AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo])
-  fi
+# _LT_FILEUTILS_DEFAULTS
+# ----------------------
+# It is okay to use these file commands and assume they have been set
+# sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'.
+m4_defun([_LT_FILEUTILS_DEFAULTS],
+[: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+])# _LT_FILEUTILS_DEFAULTS
+
+
+# _LT_SETUP
+# ---------
+m4_defun([_LT_SETUP],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+
+_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
+dnl
+_LT_DECL([], [host_alias], [0], [The host system])dnl
+_LT_DECL([], [host], [0])dnl
+_LT_DECL([], [host_os], [0])dnl
+dnl
+_LT_DECL([], [build_alias], [0], [The build system])dnl
+_LT_DECL([], [build], [0])dnl
+_LT_DECL([], [build_os], [0])dnl
+dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+dnl
+AC_REQUIRE([AC_PROG_LN_S])dnl
+test -z "$LN_S" && LN_S="ln -s"
+_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
+dnl
+AC_REQUIRE([LT_CMD_MAX_LEN])dnl
+_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
+_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
+dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl
+m4_require([_LT_CMD_RELOAD])dnl
+m4_require([_LT_DECL_FILECMD])dnl
+m4_require([_LT_CHECK_MAGIC_METHOD])dnl
+m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl
+m4_require([_LT_CMD_OLD_ARCHIVE])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_WITH_SYSROOT])dnl
+m4_require([_LT_CMD_TRUNCATE])dnl
+
+_LT_CONFIG_LIBTOOL_INIT([
+# See if we are running on zsh, and set the options that allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
 fi
-if test -z "$GOC"; then
-  AC_CHECK_PROG(GOC, gccgo, gccgo, false)
+])
+if test -n "${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
 fi
-])#m4_defun
-])#m4_ifndef
 
+_LT_CHECK_OBJDIR
 
-# _LT_LANG_DEFAULT_CONFIG
-# -----------------------
-m4_defun([_LT_LANG_DEFAULT_CONFIG],
-[AC_PROVIDE_IFELSE([AC_PROG_CXX],
-  [LT_LANG(CXX)],
-  [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
+m4_require([_LT_TAG_COMPILER])dnl
 
-AC_PROVIDE_IFELSE([AC_PROG_F77],
-  [LT_LANG(F77)],
-  [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test set != "${COLLECT_NAMES+set}"; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
 
-AC_PROVIDE_IFELSE([AC_PROG_FC],
-  [LT_LANG(FC)],
-  [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
+# Global variables:
+ofile=libtool
+can_build_shared=yes
 
-dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
-dnl pulling things in needlessly.
-AC_PROVIDE_IFELSE([AC_PROG_GCJ],
-  [LT_LANG(GCJ)],
-  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
-    [LT_LANG(GCJ)],
-    [AC_PROVIDE_IFELSE([LT_PROG_GCJ],
-      [LT_LANG(GCJ)],
-      [m4_ifdef([AC_PROG_GCJ],
-	[m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
-       m4_ifdef([A][M_PROG_GCJ],
-	[m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
-       m4_ifdef([LT_PROG_GCJ],
-	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
+# All known linkers require a '.a' archive for static linking (except MSVC and
+# ICC, which need '.lib').
+libext=a
 
-AC_PROVIDE_IFELSE([AC_PROG_GO],
-  [LT_LANG(GO)],
-  [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])])
+with_gnu_ld=$lt_cv_prog_gnu_ld
 
-AC_PROVIDE_IFELSE([LT_PROG_RC],
-  [LT_LANG(RC)],
-  [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
-])# _LT_LANG_DEFAULT_CONFIG
+old_CC=$CC
+old_CFLAGS=$CFLAGS
 
-# Obsolete macros:
-AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
-AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
-AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
-AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
-AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
-dnl AC_DEFUN([AC_LIBTOOL_F77], [])
-dnl AC_DEFUN([AC_LIBTOOL_FC], [])
-dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
-dnl AC_DEFUN([AC_LIBTOOL_RC], [])
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
 
+_LT_CC_BASENAME([$compiler])
 
-# _LT_TAG_COMPILER
-# ----------------
-m4_defun([_LT_TAG_COMPILER],
-[AC_REQUIRE([AC_PROG_CC])dnl
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    _LT_PATH_MAGIC
+  fi
+  ;;
+esac
 
-_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
-_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
-_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
-_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
+# Use C for the default configuration in the libtool script
+LT_SUPPORTED_TAG([CC])
+_LT_LANG_C_CONFIG
+_LT_LANG_DEFAULT_CONFIG
+_LT_CONFIG_COMMANDS
+])# _LT_SETUP
 
-# If no C compiler was specified, use CC.
-LTCC=${LTCC-"$CC"}
 
-# If no C compiler flags were specified, use CFLAGS.
-LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+# _LT_PREPARE_SED_QUOTE_VARS
+# --------------------------
+# Define a few sed substitution that help us do robust quoting.
+m4_defun([_LT_PREPARE_SED_QUOTE_VARS],
+[# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'
 
-# Allow CC to be a program name with arguments.
-compiler=$CC
-])# _LT_TAG_COMPILER
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\([["`\\]]\)/\\\1/g'
 
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
 
-# _LT_COMPILER_BOILERPLATE
-# ------------------------
-# Check for compiler boilerplate output or warnings with
-# the simple compiler test code.
-m4_defun([_LT_COMPILER_BOILERPLATE],
-[m4_require([_LT_DECL_SED])dnl
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_compile_test_code" >conftest.$ac_ext
-eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_compiler_boilerplate=`cat conftest.err`
-$RM conftest*
-])# _LT_COMPILER_BOILERPLATE
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
 
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+])
 
-# _LT_LINKER_BOILERPLATE
-# ----------------------
-# Check for linker boilerplate output or warnings with
-# the simple link test code.
-m4_defun([_LT_LINKER_BOILERPLATE],
-[m4_require([_LT_DECL_SED])dnl
-ac_outfile=conftest.$ac_objext
-echo "$lt_simple_link_test_code" >conftest.$ac_ext
-eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
-_lt_linker_boilerplate=`cat conftest.err`
-$RM -r conftest*
-])# _LT_LINKER_BOILERPLATE
+# _LT_PROG_LTMAIN
+# ---------------
+# Note that this code is called both from 'configure', and 'config.status'
+# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,
+# 'config.status' has no value for ac_aux_dir unless we are using Automake,
+# so we pass a copy along to make sure it has a sensible value anyway.
+m4_defun([_LT_PROG_LTMAIN],
+[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
+_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
+ltmain=$ac_aux_dir/ltmain.sh
+])# _LT_PROG_LTMAIN
 
-# _LT_REQUIRED_DARWIN_CHECKS
-# -------------------------
-m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
-  case $host_os in
-    rhapsody* | darwin*)
-    AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
-    AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
-    AC_CHECK_TOOL([LIPO], [lipo], [:])
-    AC_CHECK_TOOL([OTOOL], [otool], [:])
-    AC_CHECK_TOOL([OTOOL64], [otool64], [:])
-    _LT_DECL([], [DSYMUTIL], [1],
-      [Tool to manipulate archived DWARF debug symbol files on Mac OS X])
-    _LT_DECL([], [NMEDIT], [1],
-      [Tool to change global to local symbols on Mac OS X])
-    _LT_DECL([], [LIPO], [1],
-      [Tool to manipulate fat objects and archives on Mac OS X])
-    _LT_DECL([], [OTOOL], [1],
-      [ldd/readelf like tool for Mach-O binaries on Mac OS X])
-    _LT_DECL([], [OTOOL64], [1],
-      [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4])
 
-    AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
-      [lt_cv_apple_cc_single_mod=no
-      if test -z "$LT_MULTI_MODULE"; then
-	# By default we will add the -single_module flag. You can override
-	# by either setting the environment variable LT_MULTI_MODULE
-	# non-empty at configure time, or by adding -multi_module to the
-	# link flags.
-	rm -rf libconftest.dylib*
-	echo "int foo(void){return 1;}" > conftest.c
-	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
--dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
-	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
-	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
-        _lt_result=$?
-	# If there is a non-empty error log, and "single_module"
-	# appears in it, assume the flag caused a linker warning
-        if test -s conftest.err && $GREP single_module conftest.err; then
-	  cat conftest.err >&AS_MESSAGE_LOG_FD
-	# Otherwise, if the output was created with a 0 exit code from
-	# the compiler, it worked.
-	elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
-	  lt_cv_apple_cc_single_mod=yes
-	else
-	  cat conftest.err >&AS_MESSAGE_LOG_FD
-	fi
-	rm -rf libconftest.dylib*
-	rm -f conftest.*
-      fi])
 
-    AC_CACHE_CHECK([for -exported_symbols_list linker flag],
-      [lt_cv_ld_exported_symbols_list],
-      [lt_cv_ld_exported_symbols_list=no
-      save_LDFLAGS=$LDFLAGS
-      echo "_main" > conftest.sym
-      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
-      AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
-	[lt_cv_ld_exported_symbols_list=yes],
-	[lt_cv_ld_exported_symbols_list=no])
-	LDFLAGS=$save_LDFLAGS
-    ])
+# So that we can recreate a full libtool script including additional
+# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
+# in macros and then make a single call at the end using the 'libtool'
+# label.
 
-    AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
-      [lt_cv_ld_force_load=no
-      cat > conftest.c << _LT_EOF
-int forced_loaded() { return 2;}
-_LT_EOF
-      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
-      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
-      echo "$AR cr libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
-      $AR cr libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
-      echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD
-      $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD
-      cat > conftest.c << _LT_EOF
-int main() { return 0;}
-_LT_EOF
-      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
-      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
-      _lt_result=$?
-      if test -s conftest.err && $GREP force_load conftest.err; then
-	cat conftest.err >&AS_MESSAGE_LOG_FD
-      elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
-	lt_cv_ld_force_load=yes
-      else
-	cat conftest.err >&AS_MESSAGE_LOG_FD
-      fi
-        rm -f conftest.err libconftest.a conftest conftest.c
-        rm -rf conftest.dSYM
-    ])
-    case $host_os in
-    rhapsody* | darwin1.[[012]])
-      _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
-    darwin1.*)
-      _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
-    darwin*) # darwin 5.x on
-      # if running on 10.5 or later, the deployment target defaults
-      # to the OS version, if on x86, and 10.4, the deployment
-      # target defaults to 10.4. Don't you love it?
-      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
-	10.0,*86*-darwin8*|10.0,*-darwin[[912]]*)
-	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-	10.[[012]][[,.]]*)
-	  _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
-	10.*|11.*)
-	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-      esac
-    ;;
-  esac
-    if test yes = "$lt_cv_apple_cc_single_mod"; then
-      _lt_dar_single_mod='$single_module'
-    fi
-    if test yes = "$lt_cv_ld_exported_symbols_list"; then
-      _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
-    else
-      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
-    fi
-    if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
-      _lt_dsymutil='~$DSYMUTIL $lib || :'
-    else
-      _lt_dsymutil=
-    fi
-    ;;
-  esac
-])
 
+# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
+# ----------------------------------------
+# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL_INIT],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_INIT],
+                     [$1
+])])])
 
-# _LT_DARWIN_LINKER_FEATURES([TAG])
-# ---------------------------------
-# Checks for linker and compiler features on darwin
-m4_defun([_LT_DARWIN_LINKER_FEATURES],
-[
-  m4_require([_LT_REQUIRED_DARWIN_CHECKS])
-  _LT_TAGVAR(archive_cmds_need_lc, $1)=no
-  _LT_TAGVAR(hardcode_direct, $1)=no
-  _LT_TAGVAR(hardcode_automatic, $1)=yes
-  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
-  if test yes = "$lt_cv_ld_force_load"; then
-    _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
-    m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes],
-                  [FC],  [_LT_TAGVAR(compiler_needs_object, $1)=yes])
-  else
-    _LT_TAGVAR(whole_archive_flag_spec, $1)=''
-  fi
-  _LT_TAGVAR(link_all_deplibs, $1)=yes
-  _LT_TAGVAR(allow_undefined_flag, $1)=$_lt_dar_allow_undefined
-  case $cc_basename in
-     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
-     *) _lt_dar_can_shared=$GCC ;;
-  esac
-  if test yes = "$_lt_dar_can_shared"; then
-    output_verbose_link_cmd=func_echo_all
-    _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
-    _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
-    _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
-    _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
-    m4_if([$1], [CXX],
-[   if test yes != "$lt_cv_apple_cc_single_mod"; then
-      _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil"
-      _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil"
-    fi
-],[])
-  else
-  _LT_TAGVAR(ld_shlibs, $1)=no
-  fi
-])
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_INIT])
 
-# _LT_SYS_MODULE_PATH_AIX([TAGNAME])
-# ----------------------------------
-# Links a minimal program and checks the executable
-# for the system default hardcoded library path. In most cases,
-# this is /usr/lib:/lib, but when the MPI compilers are used
-# the location of the communication and MPI libs are included too.
-# If we don't find anything, use the default library path according
-# to the aix ld manual.
-# Store the results from the different compilers for each TAGNAME.
-# Allow to override them for all tags through lt_cv_aix_libpath.
-m4_defun([_LT_SYS_MODULE_PATH_AIX],
-[m4_require([_LT_DECL_SED])dnl
-if test set = "${lt_cv_aix_libpath+set}"; then
-  aix_libpath=$lt_cv_aix_libpath
-else
-  AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])],
-  [AC_LINK_IFELSE([AC_LANG_PROGRAM],[
-  lt_aix_libpath_sed='[
-      /Import File Strings/,/^$/ {
-	  /^0/ {
-	      s/^0  *\([^ ]*\) *$/\1/
-	      p
-	  }
-      }]'
-  _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  # Check for a 64-bit object if we didn't find anything.
-  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
-    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
-  fi],[])
-  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
-    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=/usr/lib:/lib
-  fi
-  ])
-  aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])
-fi
-])# _LT_SYS_MODULE_PATH_AIX
 
+# _LT_CONFIG_LIBTOOL([COMMANDS])
+# ------------------------------
+# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
+                     [$1
+])])])
 
-# _LT_SHELL_INIT(ARG)
-# -------------------
-m4_define([_LT_SHELL_INIT],
-[m4_divert_text([M4SH-INIT], [$1
-])])# _LT_SHELL_INIT
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
 
 
+# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
+# -----------------------------------------------------
+m4_defun([_LT_CONFIG_SAVE_COMMANDS],
+[_LT_CONFIG_LIBTOOL([$1])
+_LT_CONFIG_LIBTOOL_INIT([$2])
+])
 
-# _LT_PROG_ECHO_BACKSLASH
-# -----------------------
-# Find how we can fake an echo command that does not interpret backslash.
-# In particular, with Autoconf 2.60 or later we add some code to the start
-# of the generated configure script that will find a shell with a builtin
-# printf (that we can use as an echo command).
-m4_defun([_LT_PROG_ECHO_BACKSLASH],
-[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
-ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
 
-AC_MSG_CHECKING([how to print strings])
-# Test print first, because it will be a builtin if present.
-if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
-   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
-  ECHO='print -r --'
-elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
-  ECHO='printf %s\n'
-else
-  # Use this function as a fallback that always works.
-  func_fallback_echo ()
-  {
-    eval 'cat <<_LTECHO_EOF
-$[]1
-_LTECHO_EOF'
-  }
-  ECHO='func_fallback_echo'
-fi
+# _LT_FORMAT_COMMENT([COMMENT])
+# -----------------------------
+# Add leading comment marks to the start of each line, and a trailing
+# full-stop to the whole comment if one is not present already.
+m4_define([_LT_FORMAT_COMMENT],
+[m4_ifval([$1], [
+m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],
+              [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
+)])
 
-# func_echo_all arg...
-# Invoke $ECHO with all args, space-separated.
-func_echo_all ()
-{
-    $ECHO "$*"
-}
 
-case $ECHO in
-  printf*) AC_MSG_RESULT([printf]) ;;
-  print*) AC_MSG_RESULT([print -r]) ;;
-  *) AC_MSG_RESULT([cat]) ;;
-esac
 
-m4_ifdef([_AS_DETECT_SUGGESTED],
-[_AS_DETECT_SUGGESTED([
-  test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || (
-    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
-    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
-    PATH=/empty FPATH=/empty; export PATH FPATH
-    test "X`printf %s $ECHO`" = "X$ECHO" \
-      || test "X`print -r -- $ECHO`" = "X$ECHO" )])])
 
-_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
-_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes])
-])# _LT_PROG_ECHO_BACKSLASH
 
+# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
+# -------------------------------------------------------------------
+# CONFIGNAME is the name given to the value in the libtool script.
+# VARNAME is the (base) name used in the configure script.
+# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
+# VARNAME.  Any other value will be used directly.
+m4_define([_LT_DECL],
+[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
+    [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
+	[m4_ifval([$1], [$1], [$2])])
+    lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
+    m4_ifval([$4],
+	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
+    lt_dict_add_subkey([lt_decl_dict], [$2],
+	[tagged?], [m4_ifval([$5], [yes], [no])])])
+])
 
-# _LT_WITH_SYSROOT
-# ----------------
-AC_DEFUN([_LT_WITH_SYSROOT],
-[AC_MSG_CHECKING([for sysroot])
-AC_ARG_WITH([sysroot],
-[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
-  [Search for dependent libraries within DIR (or the compiler's sysroot
-   if not specified).])],
-[], [with_sysroot=no])
 
-dnl lt_sysroot will always be passed unquoted.  We quote it here
-dnl in case the user passed a directory name.
-lt_sysroot=
-case $with_sysroot in #(
- yes)
-   if test yes = "$GCC"; then
-     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
-   fi
-   ;; #(
- /*)
-   lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
-   ;; #(
- no|'')
-   ;; #(
- *)
-   AC_MSG_RESULT([$with_sysroot])
-   AC_MSG_ERROR([The sysroot must be an absolute path.])
-   ;;
-esac
+# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
+# --------------------------------------------------------
+m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
 
- AC_MSG_RESULT([${lt_sysroot:-no}])
-_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl
-[dependent libraries, and where our libraries should be installed.])])
 
-# _LT_ENABLE_LOCK
-# ---------------
-m4_defun([_LT_ENABLE_LOCK],
-[AC_ARG_ENABLE([libtool-lock],
-  [AS_HELP_STRING([--disable-libtool-lock],
-    [avoid locking (might break parallel builds)])])
-test no = "$enable_libtool_lock" || enable_libtool_lock=yes
+# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_tag_varnames],
+[_lt_decl_filter([tagged?], [yes], $@)])
 
-# Some flags need to be propagated to the compiler or linker for good
-# libtool support.
-case $host in
-ia64-*-hpux*)
-  # Find out what ABI is being produced by ac_compile, and set mode
-  # options accordingly.
-  echo 'int i;' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    case `/usr/bin/file conftest.$ac_objext` in
-      *ELF-32*)
-	HPUX_IA64_MODE=32
-	;;
-      *ELF-64*)
-	HPUX_IA64_MODE=64
-	;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-*-*-irix6*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    if test yes = "$lt_cv_prog_gnu_ld"; then
-      case `/usr/bin/file conftest.$ac_objext` in
-	*32-bit*)
-	  LD="${LD-ld} -melf32bsmip"
-	  ;;
-	*N32*)
-	  LD="${LD-ld} -melf32bmipn32"
-	  ;;
-	*64-bit*)
-	  LD="${LD-ld} -melf64bmip"
-	;;
-      esac
-    else
-      case `/usr/bin/file conftest.$ac_objext` in
-	*32-bit*)
-	  LD="${LD-ld} -32"
-	  ;;
-	*N32*)
-	  LD="${LD-ld} -n32"
-	  ;;
-	*64-bit*)
-	  LD="${LD-ld} -64"
-	  ;;
-      esac
-    fi
-  fi
-  rm -rf conftest*
-  ;;
 
-mips64*-*linux*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    emul=elf
-    case `/usr/bin/file conftest.$ac_objext` in
-      *32-bit*)
-	emul="${emul}32"
-	;;
-      *64-bit*)
-	emul="${emul}64"
-	;;
-    esac
-    case `/usr/bin/file conftest.$ac_objext` in
-      *MSB*)
-	emul="${emul}btsmip"
-	;;
-      *LSB*)
-	emul="${emul}ltsmip"
-	;;
-    esac
-    case `/usr/bin/file conftest.$ac_objext` in
-      *N32*)
-	emul="${emul}n32"
-	;;
-    esac
-    LD="${LD-ld} -m $emul"
-  fi
-  rm -rf conftest*
-  ;;
+# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
+# ---------------------------------------------------------
+m4_define([_lt_decl_filter],
+[m4_case([$#],
+  [0], [m4_fatal([$0: too few arguments: $#])],
+  [1], [m4_fatal([$0: too few arguments: $#: $1])],
+  [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
+  [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
+  [lt_dict_filter([lt_decl_dict], $@)])[]dnl
+])
 
-x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
-s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.  Note that the listed cases only cover the
-  # situations where additional linker options are needed (such as when
-  # doing 32-bit compilation for a host where ld defaults to 64-bit, or
-  # vice versa); the common cases where no linker options are needed do
-  # not appear in the list.
-  echo 'int i;' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    case `/usr/bin/file conftest.o` in
-      *32-bit*)
-	case $host in
-	  x86_64-*kfreebsd*-gnu)
-	    LD="${LD-ld} -m elf_i386_fbsd"
-	    ;;
-	  x86_64-*linux*)
-	    case `/usr/bin/file conftest.o` in
-	      *x86-64*)
-		LD="${LD-ld} -m elf32_x86_64"
-		;;
-	      *)
-		LD="${LD-ld} -m elf_i386"
-		;;
-	    esac
-	    ;;
-	  powerpc64le-*linux*)
-	    LD="${LD-ld} -m elf32lppclinux"
-	    ;;
-	  powerpc64-*linux*)
-	    LD="${LD-ld} -m elf32ppclinux"
-	    ;;
-	  s390x-*linux*)
-	    LD="${LD-ld} -m elf_s390"
-	    ;;
-	  sparc64-*linux*)
-	    LD="${LD-ld} -m elf32_sparc"
-	    ;;
-	esac
-	;;
-      *64-bit*)
-	case $host in
-	  x86_64-*kfreebsd*-gnu)
-	    LD="${LD-ld} -m elf_x86_64_fbsd"
-	    ;;
-	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_x86_64"
-	    ;;
-	  powerpcle-*linux*)
-	    LD="${LD-ld} -m elf64lppc"
-	    ;;
-	  powerpc-*linux*)
-	    LD="${LD-ld} -m elf64ppc"
-	    ;;
-	  s390*-*linux*|s390*-*tpf*)
-	    LD="${LD-ld} -m elf64_s390"
-	    ;;
-	  sparc*-*linux*)
-	    LD="${LD-ld} -m elf64_sparc"
-	    ;;
-	esac
-	;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-
-*-*-sco3.2v5*)
-  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
-  SAVE_CFLAGS=$CFLAGS
-  CFLAGS="$CFLAGS -belf"
-  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
-    [AC_LANG_PUSH(C)
-     AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
-     AC_LANG_POP])
-  if test yes != "$lt_cv_cc_needs_belf"; then
-    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
-    CFLAGS=$SAVE_CFLAGS
-  fi
-  ;;
-*-*solaris*)
-  # Find out what ABI is being produced by ac_compile, and set linker
-  # options accordingly.
-  echo 'int i;' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    case `/usr/bin/file conftest.o` in
-    *64-bit*)
-      case $lt_cv_prog_gnu_ld in
-      yes*)
-        case $host in
-        i?86-*-solaris*|x86_64-*-solaris*)
-          LD="${LD-ld} -m elf_x86_64"
-          ;;
-        sparc*-*-solaris*)
-          LD="${LD-ld} -m elf64_sparc"
-          ;;
-        esac
-        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
-        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
-          LD=${LD-ld}_sol2
-        fi
-        ;;
-      *)
-	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
-	  LD="${LD-ld} -64"
-	fi
-	;;
-      esac
-      ;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-esac
-
-need_locks=$enable_libtool_lock
-])# _LT_ENABLE_LOCK
 
+# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
+# --------------------------------------------------
+m4_define([lt_decl_quote_varnames],
+[_lt_decl_filter([value], [1], $@)])
 
-# _LT_PROG_AR
-# -----------
-m4_defun([_LT_PROG_AR],
-[AC_CHECK_TOOLS(AR, [ar], false)
-: ${AR=ar}
-: ${AR_FLAGS=cr}
-_LT_DECL([], [AR], [1], [The archiver])
-_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive])
 
-AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file],
-  [lt_cv_ar_at_file=no
-   AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
-     [echo conftest.$ac_objext > conftest.lst
-      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD'
-      AC_TRY_EVAL([lt_ar_try])
-      if test 0 -eq "$ac_status"; then
-	# Ensure the archiver fails upon bogus file names.
-	rm -f conftest.$ac_objext libconftest.a
-	AC_TRY_EVAL([lt_ar_try])
-	if test 0 -ne "$ac_status"; then
-          lt_cv_ar_at_file=@
-        fi
-      fi
-      rm -f conftest.* libconftest.a
-     ])
-  ])
+# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_dquote_varnames],
+[_lt_decl_filter([value], [2], $@)])
 
-if test no = "$lt_cv_ar_at_file"; then
-  archiver_list_spec=
-else
-  archiver_list_spec=$lt_cv_ar_at_file
-fi
-_LT_DECL([], [archiver_list_spec], [1],
-  [How to feed a file listing to the archiver])
-])# _LT_PROG_AR
 
+# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_varnames_tagged],
+[m4_assert([$# <= 2])dnl
+_$0(m4_quote(m4_default([$1], [[, ]])),
+    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
+    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
+m4_define([_lt_decl_varnames_tagged],
+[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
 
-# _LT_CMD_OLD_ARCHIVE
-# -------------------
-m4_defun([_LT_CMD_OLD_ARCHIVE],
-[_LT_PROG_AR
 
-AC_CHECK_TOOL(STRIP, strip, :)
-test -z "$STRIP" && STRIP=:
-_LT_DECL([], [STRIP], [1], [A symbol stripping program])
+# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_all_varnames],
+[_$0(m4_quote(m4_default([$1], [[, ]])),
+     m4_if([$2], [],
+	   m4_quote(lt_decl_varnames),
+	m4_quote(m4_shift($@))))[]dnl
+])
+m4_define([_lt_decl_all_varnames],
+[lt_join($@, lt_decl_varnames_tagged([$1],
+			lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
+])
 
-AC_CHECK_TOOL(RANLIB, ranlib, :)
-test -z "$RANLIB" && RANLIB=:
-_LT_DECL([], [RANLIB], [1],
-    [Commands used to install an old-style archive])
 
-# Determine commands to create old-style static archives.
-old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
-old_postinstall_cmds='chmod 644 $oldlib'
-old_postuninstall_cmds=
+# _LT_CONFIG_STATUS_DECLARE([VARNAME])
+# ------------------------------------
+# Quote a variable value, and forward it to 'config.status' so that its
+# declaration there will have the same value as in 'configure'.  VARNAME
+# must have a single quote delimited value for this to work.
+m4_define([_LT_CONFIG_STATUS_DECLARE],
+[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`'])
 
-if test -n "$RANLIB"; then
-  case $host_os in
-  bitrig* | openbsd*)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
-    ;;
-  *)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
-    ;;
-  esac
-  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
-fi
 
-case $host_os in
-  darwin*)
-    lock_old_archive_extraction=yes ;;
-  *)
-    lock_old_archive_extraction=no ;;
-esac
-_LT_DECL([], [old_postinstall_cmds], [2])
-_LT_DECL([], [old_postuninstall_cmds], [2])
-_LT_TAGDECL([], [old_archive_cmds], [2],
-    [Commands used to build an old-style archive])
-_LT_DECL([], [lock_old_archive_extraction], [0],
-    [Whether to use a lock for old archive extraction])
-])# _LT_CMD_OLD_ARCHIVE
+# _LT_CONFIG_STATUS_DECLARATIONS
+# ------------------------------
+# We delimit libtool config variables with single quotes, so when
+# we write them to config.status, we have to be sure to quote all
+# embedded single quotes properly.  In configure, this macro expands
+# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
+#
+#    <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
+m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
+    [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
 
 
-# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
-#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
-# ----------------------------------------------------------------
-# Check whether the given compiler option works
-AC_DEFUN([_LT_COMPILER_OPTION],
-[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_DECL_SED])dnl
-AC_CACHE_CHECK([$1], [$2],
-  [$2=no
-   m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-   lt_compiler_flag="$3"  ## exclude from sc_useless_quotes_in_assignment
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   # The option is referenced via a variable to avoid confusing sed.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
-   (eval "$lt_compile" 2>conftest.err)
-   ac_status=$?
-   cat conftest.err >&AS_MESSAGE_LOG_FD
-   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
-   if (exit $ac_status) && test -s "$ac_outfile"; then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings other than the usual output.
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
-     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
-       $2=yes
-     fi
-   fi
-   $RM conftest*
+# _LT_LIBTOOL_TAGS
+# ----------------
+# Output comment and list of tags supported by the script
+m4_defun([_LT_LIBTOOL_TAGS],
+[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
+available_tags='_LT_TAGS'dnl
 ])
 
-if test yes = "[$]$2"; then
-    m4_if([$5], , :, [$5])
-else
-    m4_if([$6], , :, [$6])
-fi
-])# _LT_COMPILER_OPTION
 
-# Old name:
-AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
+# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
+# -----------------------------------
+# Extract the dictionary values for VARNAME (optionally with TAG) and
+# expand to a commented shell variable setting:
+#
+#    # Some comment about what VAR is for.
+#    visible_name=$lt_internal_name
+m4_define([_LT_LIBTOOL_DECLARE],
+[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
+					   [description])))[]dnl
+m4_pushdef([_libtool_name],
+    m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
+m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
+    [0], [_libtool_name=[$]$1],
+    [1], [_libtool_name=$lt_[]$1],
+    [2], [_libtool_name=$lt_[]$1],
+    [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
+m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
+])
 
 
-# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
-#                  [ACTION-SUCCESS], [ACTION-FAILURE])
-# ----------------------------------------------------
-# Check whether the given linker option works
-AC_DEFUN([_LT_LINKER_OPTION],
-[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_DECL_SED])dnl
-AC_CACHE_CHECK([$1], [$2],
-  [$2=no
-   save_LDFLAGS=$LDFLAGS
-   LDFLAGS="$LDFLAGS $3"
-   echo "$lt_simple_link_test_code" > conftest.$ac_ext
-   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
-     # The linker can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     if test -s conftest.err; then
-       # Append any errors to the config.log.
-       cat conftest.err 1>&AS_MESSAGE_LOG_FD
-       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
-       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
-       if diff conftest.exp conftest.er2 >/dev/null; then
-         $2=yes
-       fi
-     else
-       $2=yes
-     fi
-   fi
-   $RM -r conftest*
-   LDFLAGS=$save_LDFLAGS
-])
-
-if test yes = "[$]$2"; then
-    m4_if([$4], , :, [$4])
-else
-    m4_if([$5], , :, [$5])
-fi
-])# _LT_LINKER_OPTION
+# _LT_LIBTOOL_CONFIG_VARS
+# -----------------------
+# Produce commented declarations of non-tagged libtool config variables
+# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool'
+# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG
+# section) are produced by _LT_LIBTOOL_TAG_VARS.
+m4_defun([_LT_LIBTOOL_CONFIG_VARS],
+[m4_foreach([_lt_var],
+    m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
 
-# Old name:
-AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
 
+# _LT_LIBTOOL_TAG_VARS(TAG)
+# -------------------------
+m4_define([_LT_LIBTOOL_TAG_VARS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
 
-# LT_CMD_MAX_LEN
-#---------------
-AC_DEFUN([LT_CMD_MAX_LEN],
-[AC_REQUIRE([AC_CANONICAL_HOST])dnl
-# find the maximum length of command line arguments
-AC_MSG_CHECKING([the maximum length of command line arguments])
-AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
-  i=0
-  teststring=ABCD
 
-  case $build_os in
-  msdosdjgpp*)
-    # On DJGPP, this test can blow up pretty badly due to problems in libc
-    # (any single argument exceeding 2000 bytes causes a buffer overrun
-    # during glob expansion).  Even if it were fixed, the result of this
-    # check would be larger than it should be.
-    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
-    ;;
+# _LT_TAGVAR(VARNAME, [TAGNAME])
+# ------------------------------
+m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
 
-  gnu*)
-    # Under GNU Hurd, this test is not required because there is
-    # no limit to the length of command line arguments.
-    # Libtool will interpret -1 as no limit whatsoever
-    lt_cv_sys_max_cmd_len=-1;
-    ;;
 
-  cygwin* | mingw* | cegcc*)
-    # On Win9x/ME, this test blows up -- it succeeds, but takes
-    # about 5 minutes as the teststring grows exponentially.
-    # Worse, since 9x/ME are not pre-emptively multitasking,
-    # you end up with a "frozen" computer, even though with patience
-    # the test eventually succeeds (with a max line length of 256k).
-    # Instead, let's just punt: use the minimum linelength reported by
-    # all of the supported platforms: 8192 (on NT/2K/XP).
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
+# _LT_CONFIG_COMMANDS
+# -------------------
+# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of
+# variables for single and double quote escaping we saved from calls
+# to _LT_DECL, we can put quote escaped variables declarations
+# into 'config.status', and then the shell code to quote escape them in
+# for loops in 'config.status'.  Finally, any additional code accumulated
+# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
+m4_defun([_LT_CONFIG_COMMANDS],
+[AC_PROVIDE_IFELSE([LT_OUTPUT],
+	dnl If the libtool generation code has been placed in $CONFIG_LT,
+	dnl instead of duplicating it all over again into config.status,
+	dnl then we will have config.status run $CONFIG_LT later, so it
+	dnl needs to know what name is stored there:
+        [AC_CONFIG_COMMANDS([libtool],
+            [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
+    dnl If the libtool generation code is destined for config.status,
+    dnl expand the accumulated commands and init code now:
+    [AC_CONFIG_COMMANDS([libtool],
+        [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
+])#_LT_CONFIG_COMMANDS
 
-  mint*)
-    # On MiNT this can take a long time and run out of memory.
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
 
-  amigaos*)
-    # On AmigaOS with pdksh, this test takes hours, literally.
-    # So we just punt and use a minimum line length of 8192.
-    lt_cv_sys_max_cmd_len=8192;
-    ;;
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
+[
 
-  bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
-    # This has been around since 386BSD, at least.  Likely further.
-    if test -x /sbin/sysctl; then
-      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
-    elif test -x /usr/sbin/sysctl; then
-      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
-    else
-      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
-    fi
-    # And add a safety zone
-    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
-    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
-    ;;
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
-  interix*)
-    # We know the value 262144 and hardcode it with a safety zone (like BSD)
-    lt_cv_sys_max_cmd_len=196608
-    ;;
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+_LT_CONFIG_STATUS_DECLARATIONS
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
 
-  os2*)
-    # The test takes a long time on OS/2.
-    lt_cv_sys_max_cmd_len=8192
-    ;;
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$[]1
+_LTECHO_EOF'
+}
 
-  osf*)
-    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
-    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
-    # nice to cause kernel panics so lets avoid the loop below.
-    # First set a reasonable default.
-    lt_cv_sys_max_cmd_len=16384
-    #
-    if test -x /sbin/sysconfig; then
-      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
-        *1*) lt_cv_sys_max_cmd_len=-1 ;;
-      esac
-    fi
-    ;;
-  sco3.2v5*)
-    lt_cv_sys_max_cmd_len=102400
-    ;;
-  sysv5* | sco5v6* | sysv4.2uw2*)
-    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
-    if test -n "$kargmax"; then
-      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[	 ]]//'`
-    else
-      lt_cv_sys_max_cmd_len=32768
-    fi
-    ;;
-  *)
-    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
-    if test -n "$lt_cv_sys_max_cmd_len" && \
-       test undefined != "$lt_cv_sys_max_cmd_len"; then
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
-    else
-      # Make teststring a little bigger before we do anything with it.
-      # a 1K string should be a reasonable start.
-      for i in 1 2 3 4 5 6 7 8; do
-        teststring=$teststring$teststring
-      done
-      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
-      # If test is not a shell built-in, we'll probably end up computing a
-      # maximum length that is only half of the actual maximum length, but
-      # we can't tell.
-      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
-	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
-	      test 17 != "$i" # 1/2 MB should be enough
-      do
-        i=`expr $i + 1`
-        teststring=$teststring$teststring
-      done
-      # Only check the string length outside the loop.
-      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
-      teststring=
-      # Add a significant safety factor because C++ compilers can tack on
-      # massive amounts of additional arguments before passing them to the
-      # linker.  It appears as though 1/2 is a usable value.
-      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
-    fi
-    ;;
-  esac
-])
-if test -n "$lt_cv_sys_max_cmd_len"; then
-  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
-else
-  AC_MSG_RESULT(none)
-fi
-max_cmd_len=$lt_cv_sys_max_cmd_len
-_LT_DECL([], [max_cmd_len], [0],
-    [What is the maximum length of a command?])
-])# LT_CMD_MAX_LEN
+# Quote evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_quote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
 
-# Old name:
-AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
+# Double-quote double-evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_dquote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
 
+_LT_OUTPUT_LIBTOOL_INIT
+])
 
-# _LT_HEADER_DLFCN
-# ----------------
-m4_defun([_LT_HEADER_DLFCN],
-[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
-])# _LT_HEADER_DLFCN
+# _LT_GENERATED_FILE_INIT(FILE, [COMMENT])
+# ------------------------------------
+# Generate a child script FILE with all initialization necessary to
+# reuse the environment learned by the parent script, and make the
+# file executable.  If COMMENT is supplied, it is inserted after the
+# '#!' sequence but before initialization text begins.  After this
+# macro, additional text can be appended to FILE to form the body of
+# the child script.  The macro ends with non-zero status if the
+# file could not be fully written (such as if the disk is full).
+m4_ifdef([AS_INIT_GENERATED],
+[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])],
+[m4_defun([_LT_GENERATED_FILE_INIT],
+[m4_require([AS_PREPARE])]dnl
+[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl
+[lt_write_fail=0
+cat >$1 <<_ASEOF || lt_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+$2
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$1 <<\_ASEOF || lt_write_fail=1
+AS_SHELL_SANITIZE
+_AS_PREPARE
+exec AS_MESSAGE_FD>&1
+_ASEOF
+test 0 = "$lt_write_fail" && chmod +x $1[]dnl
+m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT
 
+# LT_OUTPUT
+# ---------
+# This macro allows early generation of the libtool script (before
+# AC_OUTPUT is called), incase it is used in configure for compilation
+# tests.
+AC_DEFUN([LT_OUTPUT],
+[: ${CONFIG_LT=./config.lt}
+AC_MSG_NOTICE([creating $CONFIG_LT])
+_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
+[# Run this file to recreate a libtool stub with the current configuration.])
 
-# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
-#                      ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
-# ----------------------------------------------------------------
-m4_defun([_LT_TRY_DLOPEN_SELF],
-[m4_require([_LT_HEADER_DLFCN])dnl
-if test yes = "$cross_compiling"; then :
-  [$4]
-else
-  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
-  lt_status=$lt_dlunknown
-  cat > conftest.$ac_ext <<_LT_EOF
-[#line $LINENO "configure"
-#include "confdefs.h"
+cat >>"$CONFIG_LT" <<\_LTEOF
+lt_cl_silent=false
+exec AS_MESSAGE_LOG_FD>>config.log
+{
+  echo
+  AS_BOX([Running $as_me.])
+} >&AS_MESSAGE_LOG_FD
 
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
+lt_cl_help="\
+'$as_me' creates a local libtool stub from the current configuration,
+for use in further configure time tests before the real libtool is
+generated.
 
-#include <stdio.h>
+Usage: $[0] [[OPTIONS]]
 
-#ifdef RTLD_GLOBAL
-#  define LT_DLGLOBAL		RTLD_GLOBAL
-#else
-#  ifdef DL_GLOBAL
-#    define LT_DLGLOBAL		DL_GLOBAL
-#  else
-#    define LT_DLGLOBAL		0
-#  endif
-#endif
+  -h, --help      print this help, then exit
+  -V, --version   print version number, then exit
+  -q, --quiet     do not print progress messages
+  -d, --debug     don't remove temporary files
 
-/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
-   find out it does not work in some platform. */
-#ifndef LT_DLLAZY_OR_NOW
-#  ifdef RTLD_LAZY
-#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
-#  else
-#    ifdef DL_LAZY
-#      define LT_DLLAZY_OR_NOW		DL_LAZY
-#    else
-#      ifdef RTLD_NOW
-#        define LT_DLLAZY_OR_NOW	RTLD_NOW
-#      else
-#        ifdef DL_NOW
-#          define LT_DLLAZY_OR_NOW	DL_NOW
-#        else
-#          define LT_DLLAZY_OR_NOW	0
-#        endif
-#      endif
-#    endif
-#  endif
-#endif
+Report bugs to <[e-mail]>."
 
-/* When -fvisibility=hidden is used, assume the code has been annotated
-   correspondingly for the symbols needed.  */
-#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
-int fnord () __attribute__((visibility("default")));
-#endif
+lt_cl_version="\
+m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
+m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+configured by $[0], generated by m4_PACKAGE_STRING.
 
-int fnord () { return 42; }
-int main ()
-{
-  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
-  int status = $lt_dlunknown;
+Copyright (C) 2011 Free Software Foundation, Inc.
+This config.lt script is free software; the Free Software Foundation
+gives unlimited permision to copy, distribute and modify it."
 
-  if (self)
-    {
-      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
-      else
-        {
-	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
-          else puts (dlerror ());
-	}
-      /* dlclose (self); */
-    }
-  else
-    puts (dlerror ());
+while test 0 != $[#]
+do
+  case $[1] in
+    --version | --v* | -V )
+      echo "$lt_cl_version"; exit 0 ;;
+    --help | --h* | -h )
+      echo "$lt_cl_help"; exit 0 ;;
+    --debug | --d* | -d )
+      debug=: ;;
+    --quiet | --q* | --silent | --s* | -q )
+      lt_cl_silent=: ;;
 
-  return status;
-}]
-_LT_EOF
-  if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then
-    (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
-    lt_status=$?
-    case x$lt_status in
-      x$lt_dlno_uscore) $1 ;;
-      x$lt_dlneed_uscore) $2 ;;
-      x$lt_dlunknown|x*) $3 ;;
-    esac
-  else :
-    # compilation failed
-    $3
-  fi
-fi
-rm -fr conftest*
-])# _LT_TRY_DLOPEN_SELF
+    -*) AC_MSG_ERROR([unrecognized option: $[1]
+Try '$[0] --help' for more information.]) ;;
 
+    *) AC_MSG_ERROR([unrecognized argument: $[1]
+Try '$[0] --help' for more information.]) ;;
+  esac
+  shift
+done
 
-# LT_SYS_DLOPEN_SELF
-# ------------------
-AC_DEFUN([LT_SYS_DLOPEN_SELF],
-[m4_require([_LT_HEADER_DLFCN])dnl
-if test yes != "$enable_dlopen"; then
-  enable_dlopen=unknown
-  enable_dlopen_self=unknown
-  enable_dlopen_self_static=unknown
-else
-  lt_cv_dlopen=no
-  lt_cv_dlopen_libs=
+if $lt_cl_silent; then
+  exec AS_MESSAGE_FD>/dev/null
+fi
+_LTEOF
 
-  case $host_os in
-  beos*)
-    lt_cv_dlopen=load_add_on
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=yes
-    ;;
+cat >>"$CONFIG_LT" <<_LTEOF
+_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
+_LTEOF
 
-  mingw* | pw32* | cegcc*)
-    lt_cv_dlopen=LoadLibrary
-    lt_cv_dlopen_libs=
-    ;;
+cat >>"$CONFIG_LT" <<\_LTEOF
+AC_MSG_NOTICE([creating $ofile])
+_LT_OUTPUT_LIBTOOL_COMMANDS
+AS_EXIT(0)
+_LTEOF
+chmod +x "$CONFIG_LT"
 
-  cygwin*)
-    lt_cv_dlopen=dlopen
-    lt_cv_dlopen_libs=
-    ;;
+# configure is writing to config.log, but config.lt does its own redirection,
+# appending to config.log, which fails on DOS, as config.log is still kept
+# open by configure.  Here we exec the FD to /dev/null, effectively closing
+# config.log, so it can be properly (re)opened and appended to by config.lt.
+lt_cl_success=:
+test yes = "$silent" &&
+  lt_config_lt_args="$lt_config_lt_args --quiet"
+exec AS_MESSAGE_LOG_FD>/dev/null
+$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
+exec AS_MESSAGE_LOG_FD>>config.log
+$lt_cl_success || AS_EXIT(1)
+])# LT_OUTPUT
 
-  darwin*)
-    # if libdl is installed we need to link against it
-    AC_CHECK_LIB([dl], [dlopen],
-		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[
-    lt_cv_dlopen=dyld
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=yes
-    ])
-    ;;
 
-  tpf*)
-    # Don't try to run any link tests for TPF.  We know it's impossible
-    # because TPF is a cross-compiler, and we know how we open DSOs.
-    lt_cv_dlopen=dlopen
-    lt_cv_dlopen_libs=
-    lt_cv_dlopen_self=no
-    ;;
+# _LT_CONFIG(TAG)
+# ---------------
+# If TAG is the built-in tag, create an initial libtool script with a
+# default configuration from the untagged config vars.  Otherwise add code
+# to config.status for appending the configuration named by TAG from the
+# matching tagged config vars.
+m4_defun([_LT_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_CONFIG_SAVE_COMMANDS([
+  m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
+  m4_if(_LT_TAG, [C], [
+    # See if we are running on zsh, and set the options that allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}"; then
+      setopt NO_GLOB_SUBST
+    fi
 
-  *)
-    AC_CHECK_FUNC([shl_load],
-	  [lt_cv_dlopen=shl_load],
-      [AC_CHECK_LIB([dld], [shl_load],
-	    [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld],
-	[AC_CHECK_FUNC([dlopen],
-	      [lt_cv_dlopen=dlopen],
-	  [AC_CHECK_LIB([dl], [dlopen],
-		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],
-	    [AC_CHECK_LIB([svld], [dlopen],
-		  [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld],
-	      [AC_CHECK_LIB([dld], [dld_link],
-		    [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld])
-	      ])
-	    ])
-	  ])
-	])
-      ])
-    ;;
-  esac
+    cfgfile=${ofile}T
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
 
-  if test no = "$lt_cv_dlopen"; then
-    enable_dlopen=no
-  else
-    enable_dlopen=yes
-  fi
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+# Generated automatically by $as_me ($PACKAGE) $VERSION
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
 
-  case $lt_cv_dlopen in
-  dlopen)
-    save_CPPFLAGS=$CPPFLAGS
-    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+# Provide generalized library-building support services.
+# Written by Gordon Matzigkeit, 1996
 
-    save_LDFLAGS=$LDFLAGS
-    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+_LT_COPYING
+_LT_LIBTOOL_TAGS
 
-    save_LIBS=$LIBS
-    LIBS="$lt_cv_dlopen_libs $LIBS"
+# Configured defaults for sys_lib_dlsearch_path munging.
+: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
 
-    AC_CACHE_CHECK([whether a program can dlopen itself],
-	  lt_cv_dlopen_self, [dnl
-	  _LT_TRY_DLOPEN_SELF(
-	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
-	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
-    ])
+# ### BEGIN LIBTOOL CONFIG
+_LT_LIBTOOL_CONFIG_VARS
+_LT_LIBTOOL_TAG_VARS
+# ### END LIBTOOL CONFIG
 
-    if test yes = "$lt_cv_dlopen_self"; then
-      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
-      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
-	  lt_cv_dlopen_self_static, [dnl
-	  _LT_TRY_DLOPEN_SELF(
-	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
-	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
-      ])
-    fi
+_LT_EOF
 
-    CPPFLAGS=$save_CPPFLAGS
-    LDFLAGS=$save_LDFLAGS
-    LIBS=$save_LIBS
-    ;;
-  esac
+    cat <<'_LT_EOF' >> "$cfgfile"
 
-  case $lt_cv_dlopen_self in
-  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
-  *) enable_dlopen_self=unknown ;;
-  esac
+# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
 
-  case $lt_cv_dlopen_self_static in
-  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
-  *) enable_dlopen_self_static=unknown ;;
-  esac
-fi
-_LT_DECL([dlopen_support], [enable_dlopen], [0],
-	 [Whether dlopen is supported])
-_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
-	 [Whether dlopen of programs is supported])
-_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
-	 [Whether dlopen of statically linked programs is supported])
-])# LT_SYS_DLOPEN_SELF
+_LT_PREPARE_MUNGE_PATH_LIST
+_LT_PREPARE_CC_BASENAME
 
-# Old name:
-AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
-dnl aclocal-1.4 backwards compatibility:
-dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
+# ### END FUNCTIONS SHARED WITH CONFIGURE
 
+_LT_EOF
 
-# _LT_COMPILER_C_O([TAGNAME])
-# ---------------------------
-# Check to see if options -c and -o are simultaneously supported by compiler.
-# This macro does not hard code the compiler like AC_PROG_CC_C_O.
-m4_defun([_LT_COMPILER_C_O],
-[m4_require([_LT_DECL_SED])dnl
-m4_require([_LT_FILEUTILS_DEFAULTS])dnl
-m4_require([_LT_TAG_COMPILER])dnl
-AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
-  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
-  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
-   $RM -r conftest 2>/dev/null
-   mkdir conftest
-   cd conftest
-   mkdir out
-   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test set != "${COLLECT_NAMES+set}"; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
 
-   lt_compiler_flag="-o out/conftest2.$ac_objext"
-   # Insert the option either (1) after the last *FLAGS variable, or
-   # (2) before a word containing "conftest.", or (3) at the end.
-   # Note that $ac_compile itself does not contain backslashes and begins
-   # with a dollar sign (not a hyphen), so the echo should work correctly.
-   lt_compile=`echo "$ac_compile" | $SED \
-   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
-   -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
-   (eval "$lt_compile" 2>out/conftest.err)
-   ac_status=$?
-   cat out/conftest.err >&AS_MESSAGE_LOG_FD
-   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
-   if (exit $ac_status) && test -s out/conftest2.$ac_objext
-   then
-     # The compiler can only warn and ignore the option if not recognized
-     # So say no if there are warnings
-     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
-     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
-     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
-       _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
-     fi
-   fi
-   chmod u+w . 2>&AS_MESSAGE_LOG_FD
-   $RM conftest*
-   # SGI C++ compiler will create directory out/ii_files/ for
-   # template instantiation
-   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
-   $RM out/* && rmdir out
-   cd ..
-   $RM -r conftest
-   $RM conftest*
-])
-_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
-	[Does compiler simultaneously support -c and -o options?])
-])# _LT_COMPILER_C_O
+  _LT_PROG_LTMAIN
 
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  $SED '$q' "$ltmain" >> "$cfgfile" \
+     || (rm -f "$cfgfile"; exit 1)
 
-# _LT_COMPILER_FILE_LOCKS([TAGNAME])