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configure.ac : Fail more gracefully if pkg-config is missing.

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Erik de Castro Lopo 2011-03-08 07:04:50 +11:00
parent f66e21e0b1
commit 36c6fe71c1
2 changed files with 37 additions and 30 deletions
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@ -1,3 +1,9 @@
2011-03-08 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* configure.ac
Fail more gracefully if pkg-config is missing. Suggestion from Brian
Willoughby.
2011-02-27 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* src/common.c

61
configure.ac
View File

@ -300,37 +300,38 @@ EXTERNAL_LIBS=""
# Check for pkg-config outside the if statement.
PKG_PROG_PKG_CONFIG
if test x$enable_external_libs = xno ; then
AC_MSG_WARN([[*** External libs (FLAC, Ogg, Vorbis) disabled. ***]])
else
PKG_CHECK_MOD_VERSION(FLAC, flac >= 1.2.1, ac_cv_flac=yes, ac_cv_flac=no)
PKG_CHECK_MOD_VERSION(OGG, ogg >= 1.1.3, ac_cv_ogg=yes, ac_cv_ogg=no)
if test -n "$ac_cv_path_PKG_CONFIG" ; then
if test x$enable_external_libs = xno ; then
AC_MSG_WARN([[*** External libs (FLAC, Ogg, Vorbis) disabled. ***]])
else
PKG_CHECK_MOD_VERSION(FLAC, flac >= 1.2.1, ac_cv_flac=yes, ac_cv_flac=no)
PKG_CHECK_MOD_VERSION(OGG, ogg >= 1.1.3, ac_cv_ogg=yes, ac_cv_ogg=no)
# Vorbis versions earlier than 1.2.3 have bugs that cause the libsndfile
# test suite to fail on MIPS, PowerPC and others.
# See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=549899
PKG_CHECK_MOD_VERSION(VORBIS, vorbis >= 1.2.3, ac_cv_vorbis=yes, ac_cv_vorbis=no)
PKG_CHECK_MOD_VERSION(VORBISENC, vorbisenc >= 1.2.3, ac_cv_vorbisenc=yes, ac_cv_vorbisenc=no)
enable_external_libs=yes
fi
# test suite to fail on MIPS, PowerPC and others.
# See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=549899
PKG_CHECK_MOD_VERSION(VORBIS, vorbis >= 1.2.3, ac_cv_vorbis=yes, ac_cv_vorbis=no)
PKG_CHECK_MOD_VERSION(VORBISENC, vorbisenc >= 1.2.3, ac_cv_vorbisenc=yes, ac_cv_vorbisenc=no)
enable_external_libs=yes
fi
if test x$ac_cv_flac$ac_cv_ogg$ac_cv_vorbis$ac_cv_vorbisenc = "xyesyesyesyes" ; then
HAVE_EXTERNAL_LIBS=1
enable_external_libs=yes
HAVE_EXTERNAL_LIBS=1
enable_external_libs=yes
EXTERNAL_CFLAGS="$FLAC_CFLAGS $OGG_CFLAGS $VORBISENC_CFLAGS"
EXTERNAL_LIBS="$FLAC_LIBS $VORBISENC_LIBS"
else
AC_MSG_WARN([[
*** One or more of the external libraries (ie libflac, libogg and
*** libvorbis) is either missing (possibly only the development
*** headers) or is of an unsupported version.
***
*** Unfortunately, for ease of maintenance, the external libs
*** are an all or nothing affair.
]])
enable_external_libs=no
EXTERNAL_LIBS="$FLAC_LIBS $VORBISENC_LIBS"
else
echo
AC_MSG_WARN([[*** One or more of the external libraries (ie libflac, libogg and]])
AC_MSG_WARN([[*** libvorbis) is either missing (possibly only the development]])
AC_MSG_WARN([[*** headers) or is of an unsupported version.]])
AC_MSG_WARN([[***]])
AC_MSG_WARN([[*** Unfortunately, for ease of maintenance, the external libs]])
AC_MSG_WARN([[*** are an all or nothing affair.]])
echo
enable_external_libs=no
fi
fi
AC_DEFINE_UNQUOTED([HAVE_EXTERNAL_LIBS], $HAVE_EXTERNAL_LIBS, [Will be set to 1 if flac, ogg and vorbis are available.])
@ -641,11 +642,11 @@ AC_MSG_RESULT([
])
if test -z "$PKG_CONFIG" ; then
echo " ***************************************************************"
echo " *** The pkg-config program is missing. ***"
echo " *** External FLAC/Ogg/Vorbis libs will not work without it. ***"
echo " *** http://pkg-config.freedesktop.org/wiki/ ***"
echo " ***************************************************************"
echo " *****************************************************************"
echo " *** The pkg-config program is missing. ***"
echo " *** External FLAC/Ogg/Vorbis libs cannot be found without it. ***"
echo " *** http://pkg-config.freedesktop.org/wiki/ ***"
echo " *****************************************************************"
echo
fi