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# Configure paths for Tremor
dnl XIPH_PATH_IVORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libivorbis, and define IVORBIS_CFLAGS and IVORBIS_LIBS
dnl
AC_DEFUN([XIPH_PATH_IVORBIS],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(ivorbis,[ --with-ivorbis=PFX Prefix where libivorbis is installed (optional)], ivorbis_prefix="$withval", ivorbis_prefix="")
AC_ARG_WITH(ivorbis-libraries,[ --with-ivorbis-libraries=DIR Directory where libivorbis library is installed (optional)], ivorbis_libraries="$withval", ivorbis_libraries="")
AC_ARG_WITH(ivorbis-includes,[ --with-ivorbis-includes=DIR Directory where libivorbis header files are installed (optional)], ivorbis_includes="$withval", ivorbis_includes="")
AC_ARG_ENABLE(ivorbistest, [ --disable-ivorbistest Do not try to compile and run a test Ivorbis program],, enable_ivorbistest=yes)
if test "x$ivorbis_libraries" != "x" ; then
IVORBIS_LIBS="-L$ivorbis_libraries"
elif test "x$ivorbis_prefix" != "x" ; then
IVORBIS_LIBS="-L$ivorbis_prefix/lib"
elif test "x$prefix" != "xNONE"; then
IVORBIS_LIBS="-L$prefix/lib"
fi
IVORBIS_LIBS="$IVORBIS_LIBS -lvorbisidec -lm"
if test "x$ivorbis_includes" != "x" ; then
IVORBIS_CFLAGS="-I$ivorbis_includes"
elif test "x$ivorbis_prefix" != "x" ; then
IVORBIS_CFLAGS="-I$ivorbis_prefix/include"
elif test "x$prefix" != "xNONE"; then
IVORBIS_CFLAGS="-I$prefix/include"
fi
AC_MSG_CHECKING(for Tremor)
no_ivorbis=""
if test "x$enable_ivorbistest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $IVORBIS_CFLAGS $OGG_CFLAGS"
LIBS="$LIBS $IVORBIS_LIBS $OGG_LIBS"
dnl
dnl Now check if the installed Tremor is sufficiently new.
dnl
rm -f conf.ivorbistest
AC_TRY_COMPILE([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <tremor/codec.h>
],,, no_ivorbis=yes)
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_ivorbis" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
IVORBIS_CFLAGS=""
IVORBIS_LIBS=""
IVORBISFILE_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_SUBST(IVORBIS_CFLAGS)
AC_SUBST(IVORBIS_LIBS)
AC_SUBST(IVORBISFILE_LIBS)
])
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