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configure.ac : Add documentation for --disable-external-libs and improve error handling for that option.

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This commit is contained in:
Erik de Castro Lopo 2009-03-17 14:09:31 +11:00
parent aad0c4bf0d
commit bb4018ab7f
2 changed files with 17 additions and 3 deletions
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4
ChangeLog
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@ -3,6 +3,10 @@
* src/common.h
Define SF_PLATFORM_S64 for non-gcc compilers with 'long long' type.
* configure.ac
Add documentation for --disable-external-libs and improve error handling
for that option.
2009-03-15 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* src/common.h src/caf.c src/sndfile.c

16
configure.ac
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@ -125,7 +125,7 @@ AC_ARG_ENABLE(alsa,
AC_HELP_STRING([--disable-alsa], [disable use of ALSA]))
AC_ARG_ENABLE(external-libs,
AC_HELP_STRING([--disable-external-libs], [disable use of FLAC, Ogg and Vorbis]))
AC_HELP_STRING([--disable-external-libs], [disable use of FLAC, Ogg and Vorbis [[default=no]]]))
AC_ARG_ENABLE(octave,
AC_HELP_STRING([--enable-octave], [disable building of GNU Octave module]))
@ -294,13 +294,14 @@ PKG_PROG_PKG_CONFIG
if test x$enable_external_libs = xno ; then
AC_MSG_WARN([[*** External libs (FLAC, Ogg, Vorbis) disabled. ***]])
else
PKG_CHECK_MOD_VERSION(FLAC, flac >= 1.2.1, ac_cv_flac=yes, ac_cv_flac=no)
PKG_CHECK_MOD_VERSION(FLAC, flac >= 2.2.1, ac_cv_flac=yes, ac_cv_flac=no)
PKG_CHECK_MOD_VERSION(OGG, ogg >= 1.1.3, ac_cv_ogg=yes, ac_cv_ogg=no)
# Vorbis versions earlier than 1.2.1 are not const correct at the API level.
# Vorbis 1.2.2 adds vorbis_version_string.
PKG_CHECK_MOD_VERSION(VORBIS, vorbis >= 1.2.0, ac_cv_vorbis=yes, ac_cv_vorbis=no)
PKG_CHECK_MOD_VERSION(VORBISENC, vorbisenc >= 1.2.0, ac_cv_vorbisenc=yes, ac_cv_vorbisenc=no)
enable_external_libs=yes
fi
HAVE_VORBIS_VERSION_STRING=0
@ -317,6 +318,16 @@ if test x$ac_cv_flac$ac_cv_ogg$ac_cv_vorbis$ac_cv_vorbisenc = "xyesyesyesyes" ;
EXTERNAL_CFLAGS="$FLAC_CFLAGS $OGG_CFLAGS $VORBISENC_CFLAGS"
EXTERNAL_LIBS="$FLAC_LIBS $VORBISENC_LIBS"
else
AC_MSG_WARN([[
*** It looks like you enabled the use of external libraries
*** (ie Flac, Ogg, Vorbis, etc), but one or more of those libs
*** 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
fi
@ -613,7 +624,6 @@ AC_MSG_RESULT([
Experimental code : ................... ${enable_experimental:-no}
Using ALSA in example programs : ...... ${enable_alsa:-no}
External FLAC/Ogg/Vorbis : ............ ${enable_external_libs:-no}
])
if test x$ac_cv_c_compiler_gnu = xyes ; then