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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0ab71b3df2
Original commit message from CVS: Convert artsc and arts checks to use GST_CHECK_FEATURE. Extract the checks into macros.
239 lines
7.4 KiB
Plaintext
239 lines
7.4 KiB
Plaintext
dnl Configure Paths for Alsa
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dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>
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dnl Christopher Lansdown <lansdoct@cs.alfred.edu>
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dnl Jaroslav Kysela <perex@suse.cz>
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dnl Last modification: 07/01/2001
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dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
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dnl enables arguments --with-alsa-prefix=
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dnl --with-alsa-enc-prefix=
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dnl --disable-alsatest (this has no effect, as yet)
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dnl
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dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,
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dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.
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dnl
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AC_DEFUN(AM_PATH_ALSA,
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[dnl Save the original CFLAGS, LDFLAGS, and LIBS
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alsa_save_CFLAGS="$CFLAGS"
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alsa_save_LDFLAGS="$LDFLAGS"
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alsa_save_LIBS="$LIBS"
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alsa_found=yes
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dnl
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dnl Get the cflags and libraries for alsa
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dnl
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AC_ARG_WITH(alsa-prefix,
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[ --with-alsa-prefix=PFX Prefix where Alsa library is installed(optional)],
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[alsa_prefix="$withval"], [alsa_prefix=""])
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AC_ARG_WITH(alsa-inc-prefix,
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[ --with-alsa-inc-prefix=PFX Prefix where include libraries are (optional)],
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[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
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dnl FIXME: this is not yet implemented
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AC_ARG_ENABLE(alsatest,
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[ --disable-alsatest Do not try to compile and run a test Alsa program],
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[enable_alsatest=no],
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[enable_alsatest=yes])
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dnl Add any special include directories
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AC_MSG_CHECKING(for ALSA CFLAGS)
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if test "$alsa_inc_prefix" != "" ; then
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ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"
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CFLAGS="$CFLAGS -I$alsa_inc_prefix"
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fi
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AC_MSG_RESULT($ALSA_CFLAGS)
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dnl add any special lib dirs
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AC_MSG_CHECKING(for ALSA LDFLAGS)
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if test "$alsa_prefix" != "" ; then
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ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix"
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LDFLAGS="$LDFLAGS $ALSA_LIBS"
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fi
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dnl add the alsa library
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ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl"
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LIBS=`echo $LIBS | sed 's/-lm//'`
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LIBS=`echo $LIBS | sed 's/-ldl//'`
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LIBS=`echo $LIBS | sed 's/ //'`
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LIBS="$ALSA_LIBS $LIBS"
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AC_MSG_RESULT($ALSA_LIBS)
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dnl Check for a working version of libasound that is of the right version.
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min_alsa_version=ifelse([$1], ,0.1.1,$1)
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AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version)
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no_alsa=""
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alsa_min_major_version=`echo $min_alsa_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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alsa_min_minor_version=`echo $min_alsa_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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alsa_min_micro_version=`echo $min_alsa_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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AC_LANG_SAVE
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AC_LANG_C
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AC_TRY_COMPILE([
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#include <sys/asoundlib.h>
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], [
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void main(void)
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{
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/* ensure backward compatibility */
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#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
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#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
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#endif
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#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
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#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
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#endif
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#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
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#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
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#endif
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# if(SND_LIB_MAJOR > $alsa_min_major_version)
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exit(0);
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# else
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# if(SND_LIB_MAJOR < $alsa_min_major_version)
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# error not present
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# endif
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# if(SND_LIB_MINOR > $alsa_min_minor_version)
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exit(0);
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# else
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# if(SND_LIB_MINOR < $alsa_min_minor_version)
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# error not present
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# endif
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# if(SND_LIB_SUBMINOR < $alsa_min_micro_version)
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# error not present
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# endif
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# endif
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# endif
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exit(0);
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}
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],
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[AC_MSG_RESULT(found.)],
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[AC_MSG_RESULT(not present.)
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ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
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alsa_found=no]
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)
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AC_LANG_RESTORE
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dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
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AC_CHECK_LIB([asound], [snd_defaults_card],,
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[ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
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alsa_found=no]
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)
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if test "x$alsa_found" = "xyes" ; then
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ifelse([$2], , :, [$2])
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LIBS=`echo $LIBS | sed 's/-lasound//g'`
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LIBS=`echo $LIBS | sed 's/ //'`
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LIBS="-lasound $LIBS"
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fi
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if test "x$alsa_found" = "xno" ; then
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ifelse([$3], , :, [$3])
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CFLAGS="$alsa_save_CFLAGS"
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LDFLAGS="$alsa_save_LDFLAGS"
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LIBS="$alsa_save_LIBS"
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ALSA_CFLAGS=""
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ALSA_LIBS=""
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fi
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dnl That should be it. Now just export out symbols:
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AC_SUBST(ALSA_CFLAGS)
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AC_SUBST(ALSA_LIBS)
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])
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dnl Perform a check for a feature for GStreamer
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dnl Richard Boulton <richard-alsa@tartarus.org>
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dnl Last modification: 25/06/2001
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dnl GST_CHECK_FEATURE(FEATURE-NAME, FEATURE-DESCRIPTION,
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dnl DEPENDENT-PLUGINS, TEST-FOR-FEATURE)
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dnl
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dnl This macro adds a command line argument to enable the user to enable
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dnl or disable a feature, and if the feature is enabled, performs a supplied
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dnl test to check if the feature is available.
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dnl
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dnl The test should define HAVE_<FEATURE-NAME> to "yes" or "no" depending
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dnl on whether the feature is available.
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dnl
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dnl FEATURE-NAME is the name of the feature, and should be in
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dnl purely upper case characters.
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dnl FEATURE-DESCRIPTION is used to describe the feature in help text for
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dnl the command line argument.
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dnl DEPENDENT-PLUGINS lists any plugins which depend on this feature.
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dnl TEST-FOR-FEATURE is a test which sets HAVE_<FEATURE-NAME> to "yes"
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dnl or "no" depending on whether the feature is
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dnl available.
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dnl
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AC_DEFUN(GST_CHECK_FEATURE,
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[
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lower=translit([$1], A-Z, a-z)
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AC_ARG_ENABLE(translit([$1], A-Z, a-z),
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[ ]--disable-translit([$1], A-Z, a-z) enable [$2]: [$3],
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[ case "${enableval}" in
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yes) USE_[$1]=yes ;;
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no) USE_[$1]=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for --enable-${lower}) ;;
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esac],
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[ USE_$1=yes ]) dnl DEFAULT
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dnl *** If it's enabled
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if test x$USE_[$1] = xyes; then
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gst_check_save_LIBS=$LIBS
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gst_check_save_LDFLAGS=$LDFLAGS
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gst_check_save_CFLAGS=$CFLAGS
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gst_check_save_CPPFLAGS=$CPPFLAGS
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gst_check_save_CXXFLAGS=$CXXFLAGS
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$4
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LIBS=$gst_check_save_LIBS
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LDFLAGS=$gst_check_save_LDFLAGS
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CFLAGS=$gst_check_save_CFLAGS
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CPPFLAGS=$gst_check_save_CPPFLAGS
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CXXFLAGS=$gst_check_save_CXXFLAGS
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dnl If it isn't found, unset USE_[$1]
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if test x$HAVE_[$1] = xno; then
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USE_[$1]=no
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fi
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fi
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dnl *** Warn if it's disabled or not found
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if test x$USE_[$1] = xno; then
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AC_MSG_WARN(
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***** NOTE: These plugins won't be built: [$3]
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)
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fi
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dnl *** Define the conditional as appropriate
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AM_CONDITIONAL(USE_[$1], test x$USE_[$1] = xyes)
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])
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dnl Perform a check for existence of ARTSC
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dnl Richard Boulton <richard-alsa@tartarus.org>
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dnl Last modification: 26/06/2001
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dnl GST_CHECK_FEATURE(FEATURE-NAME, FEATURE-DESCRIPTION,
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dnl DEPENDENT-PLUGINS, TEST-FOR-FEATURE)
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dnl
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dnl This check was written for GStreamer: it should be renamed and checked
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dnl for portability if you decide to use it elsewhere.
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dnl
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AC_DEFUN(GST_CHECK_ARTSC,
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[
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AC_PATH_PROG(ARTSC_CONFIG, artsc-config, no)
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if test x$ARTSC_CONFIG = xno; then
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AC_MSG_WARN([Couldn't find artsc-config])
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HAVE_ARTSC=no
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ARTSC_LIBS=
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ARTSC_CFLAGS=
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else
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ARTSC_LIBS=`artsc-config --libs`
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ARTSC_CFLAGS=`artsc-config --cflags`
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dnl AC_CHECK_HEADER uses CPPFLAGS, but not CFLAGS.
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dnl FIXME: Ensure only suitable flags result from artsc-config --cflags
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CPPFLAGS="$CPPFLAGS $ARTSC_CFLAGS"
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AC_CHECK_HEADER(artsc.h, HAVE_ARTSC=yes, HAVE_ARTSC=no)
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fi
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AC_SUBST(ARTSC_LIBS)
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AC_SUBST(ARTSC_CFLAGS)
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])
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