[Bug 752924] [NEW] Setting CXXFLAGS drops the autoconf default "-g -O2"

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Matthias Klose (doko):

Since version 1.0.1-1ubuntu1, CXXFLAGS is set, in order to add a define
(__STDC_CONSTANT_MACROS) to fix a FTBFS caused by ffmpeg-related
libraries c++ compilation. This broke the expected behavior of
AC_PROG_CXX macro, which sets CXXFLAGS to "-g -O2"  when CXXFLAGS is
unset [1].

In this way, libavg binaries are compiled with no optimizations, which
may lead to unexpected behavior (under linux, libavg is extensively
tested with -O2).

[1]: http://www.gnu.org/software/autoconf/manual/autoconf.html (5.10.4)

** Affects: libavg (Ubuntu)
     Importance: Undecided
     Assignee: OXullo Intersecans (oxullo)
         Status: Fix Committed

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Setting CXXFLAGS drops the autoconf default "-g -O2"
https://bugs.launchpad.net/bugs/752924
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