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dnl borrowed from oddsock.org
dnl AM_PATH_LAME([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for liblame, and define LAME_CFLAGS and LAME_LIBS
dnl
AC_DEFUN([AM_PATH_LAME],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(lame,[ --with-lame=PFX Prefix where liblame is installed (optional)], lame_prefix="$withval", lame_prefix="")
AC_ARG_WITH(lame-libraries,[ --with-lame-libraries=DIR Directory where liblame library is installed (optional)], lame_libraries="$withval", lame_libraries="")
AC_ARG_WITH(lame-includes,[ --with-lame-includes=DIR Directory where liblame header files are installed (optional)], lame_includes="$withval", lame_includes="")
AC_ARG_ENABLE(lametest, [ --disable-lametest Do not try to compile and run a test liblame program],, enable_lametest=yes)
if test "x$lame_prefix" != "xno" ; then
if test "x$lame_libraries" != "x" ; then
LAME_LIBS="-L$lame_libraries"
elif test "x$lame_prefix" != "x" ; then
LAME_LIBS="-L$lame_prefix/lib"
elif test "x$prefix" != "xNONE" ; then
LAME_LIBS="-L$prefix/lib"
fi
LAME_LIBS="$LAME_LIBS -lmp3lame -lm"
if test "x$lame_includes" != "x" ; then
LAME_CFLAGS="-I$lame_includes"
elif test "x$lame_prefix" != "x" ; then
LAME_CFLAGS="-I$lame_prefix/include"
elif test "x$prefix" != "xNONE"; then
LAME_CFLAGS="-I$prefix/include"
fi
AC_MSG_CHECKING(for liblame)
no_lame=""
if test "x$enable_lametest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LAME_CFLAGS"
LIBS="$LIBS $LAME_LIBS"
dnl
dnl Now check if the installed liblame is sufficiently new.
dnl
rm -f conf.lametest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <lame/lame.h>
int main ()
{
system("touch conf.lametest");
return 0;
}
],, no_lame=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_lame" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.lametest ; then
:
else
echo "*** Could not run liblame test program, checking why..."
CFLAGS="$CFLAGS $LAME_CFLAGS"
LIBS="$LIBS $LAME_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <lame/lame.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding liblame or finding the wrong"
echo "*** version of liblame. If it is not finding liblame, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means liblame was incorrectly installed"
echo "*** or that you have moved liblame since it was installed." ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
LAME_CFLAGS=""
LAME_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_DEFINE(HAVE_LAME, 1, [Define if you have liblame.])
use_lame="1"
else
LAME_CFLAGS=""
LAME_LIBS=""
fi
AC_SUBST(LAME_CFLAGS)
AC_SUBST(LAME_LIBS)
rm -f conf.lametest
])
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