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-rw-r--r--m4/lame.m4108
1 files changed, 108 insertions, 0 deletions
diff --git a/m4/lame.m4 b/m4/lame.m4
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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
+])
+