Ubuntu
mythtv package

mythtv fails to build on powerpc under lucid

Bug #559614 reported by Stefan Farestam
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
mythtv (Ubuntu)
Fix Released
Low
Dave Walker

Bug Description

Binary package hint: mythtv

When trying to compile mythtv from the source package mythtv_0.23.0+fixes23820 under powerpc, I get the following error:

In file included from yuv2rgb.cpp:44:
/usr/lib/gcc/powerpc-linux-gnu/4.4.3/include/altivec.h:34:2: error: #error Use the "-maltivec" flag to enable PowerPC AltiVec support

To fix this I updated the debian/rules file with cxx option "-maltivec", as per:

diff rules.orig rules
47c47
< CONFIGURE_OPTS += --enable-altivec
---
> CONFIGURE_OPTS += --enable-altivec --extra-cxxflags="-maltivec"

After this fix mythtv builds cleanly under powerpc

Revision history for this message
MarcRandolph (mrand) wrote :

Howdy, and thank you for helping to improve Ubuntu, not only by opening this ticket, but by proposing a fix. I am marking this ticket as triaged because it appears to have enough information to help the developers quickly resolve the problem. It is possible I am wrong and another more experienced triager or developer may adjust the status of the ticket to "incomplete" and request additional information.

Changed in mythtv (Ubuntu):
importance: Undecided → Low
status: New → Triaged
Dave Walker (davewalker)
Changed in mythtv (Ubuntu):
assignee: nobody → Dave Walker (davewalker)
Dave Walker (davewalker)
Changed in mythtv (Ubuntu):
status: Triaged → Fix Committed
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package mythtv - 0.23.0+fixes24133-0ubuntu1

---------------
mythtv (0.23.0+fixes24133-0ubuntu1) lucid; urgency=low

  [ Dave Walker (Daviey) ]
  * New upstream snapshot (r24133)
    - Fixes crash of mythfrontend when upconverting audio to 5.1 (LP: #550562)
    - Improve Jamu handling of invalid database data (LP: #549352)
    - Remove mythtranscode's internal copy of the slow-delete code and instead
      send a request to the backend to delete the file. (LP: #481104)
    - LiveTV & recording with V4L cards on 64-bit backend fixed. (LP: #562690)
  * debian/mcc-mirobridge/*: New icon, UI alignment changes and description
    text added. Courtesy of R. Doug Vaughan.
  * debian/rules: Added cxx option "-maltivec" to PowerPC specifc configure
    option to fix FTBFS for that architecture. (LP: #559614)

  [ Mario Limonciello ]
  * 40_libudev.path:
    - Add -ludev to the library check.
  * debian/control:
    - Drop linux-libc-dev build-dep.
  * Actually disable halt and reboot commands by default.
 -- Dave Walker (Daviey) <email address hidden> Thu, 15 Apr 2010 00:04:14 +0100

Changed in mythtv (Ubuntu):
status: Fix Committed → Fix Released
Revision history for this message
codewarrior (lvr) wrote :

This fix prevents MythTV from running on any PowerPC without AltiVec support. This includes Macintosh G3's, which are supported by the Ubuntu PowerPC port.

For better PowerPC coverage I would suggest this fix instead:

diff rules.orig rules
47c47
< CONFIGURE_OPTS += --enable-altivec
---
> CONFIGURE_OPTS += --disable-altivec

Alternatively a runtime test for AltiVec capabilty and dynamic loading of AltiVec specific modules.

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