lp:src-highlite

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243. By Tom Tromey <email address hidden> on 2023-01-30

Make tests parallel-safe

This changes the test suite to be parallel-safe. It also changes the
'diff' tests to cause a 'make' failure when the diff changes, which I
think is more reliable.

Ideally it would be better to switch this all to automake testing, so
that the output could be prettier.

242. By Tom Tromey <email address hidden> on 2023-01-30

Add rpm-spec to lang.map

User Frank Dana <ferdnyc> asked for rpm-spec to be added.
See https://savannah.gnu.org/bugs/?63225.

241. By Tom Tromey <email address hidden> on 2023-01-30

Use std::shared_ptr

This removes the use of boost::shared_ptr, in favor of
std::shared_ptr. This is an incremental step toward fully requiring
C++11 and removing the Boost dependency.

240. By Tom Tromey <email address hidden> on 2023-01-30

Don't print extra "GNU" in help

K . Kurokawa pointed out that --help prints:

    GNU GNU source-highlight 3.1.9

This seems to be from the explicit use of "GNU" in
source-highlight.cc.

239. By Tom Tromey <email address hidden> on 2023-01-29

Remove some obsolete texinfo commands

This removes the uses of @inforef and @refill, which are obsolete.

238. By Tom Tromey <email address hidden> on 2023-01-29

A configure check for makeinfo seems to be needed now.

237. By Tom Tromey <email address hidden> on 2023-01-29

Remove duplicate rule from doc/Makefile.am

doc/Makefile.am had two rules for styleformatter.h.texinfo. This
removes one of them.

236. By Tom Tromey <email address hidden> on 2023-01-29

Require C++11

This updates source highlight to require C++11. It imports a macro
from GCC to help find the correct options to use. Note that C++11 is
widely available and both GCC and GDB have required it for years.

To support this, the generated parser and lexer files are updated with
newer versions of bison and flex. This avoids warnings about the use
of the 'register' keyword on my config (my system GCC defaults to
C++17, which the new macro accepts as-is).

235. By Tom Tromey <email address hidden> on 2023-01-29

Update gnulib

This updates gnulib to a newer version. This was done by re-running
gnulib-tool as shown in gl/Makefile.am; then modifying the command
line until it did not warn.

234. By Tom Tromey <email address hidden> on 2023-01-29

Modernize configure.ac

autoconf started warning about various configure.ac constructs. I ran
autoupdate and then fixed various issues. I also took the opportunity
to remove some unnecessary checks. Source highlight now simply
assumes a reasonable C++ compiler with STL, etc.