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 ])