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118 lines
4.3 KiB
118 lines
4.3 KiB
# Configure paths for libFLAC |
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# "Inspired" by ogg.m4 |
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dnl AM_PATH_LIBFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) |
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dnl Test for libFLAC, and define LIBFLAC_CFLAGS, LIBFLAC_LIBS, LIBFLAC_LIBDIR |
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dnl |
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AC_DEFUN([AM_PATH_LIBFLAC], |
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[dnl |
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dnl Get the cflags and libraries |
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dnl |
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AC_ARG_WITH(libFLAC,[ --with-libFLAC=PFX Prefix where libFLAC is installed (optional)], libFLAC_prefix="$withval", libFLAC_prefix="") |
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AC_ARG_WITH(libFLAC-libraries,[ --with-libFLAC-libraries=DIR Directory where libFLAC library is installed (optional)], libFLAC_libraries="$withval", libFLAC_libraries="") |
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AC_ARG_WITH(libFLAC-includes,[ --with-libFLAC-includes=DIR Directory where libFLAC header files are installed (optional)], libFLAC_includes="$withval", libFLAC_includes="") |
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AC_ARG_ENABLE(libFLACtest, [ --disable-libFLACtest Do not try to compile and run a test libFLAC program],, enable_libFLACtest=yes) |
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if test "x$libFLAC_libraries" != "x" ; then |
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LIBFLAC_LIBS="-L$libFLAC_libraries" |
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elif test "x$libFLAC_prefix" = "xno" || test "x$libFLAC_prefix" = "xyes" ; then |
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LIBFLAC_LIBS="" |
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elif test "x$libFLAC_prefix" != "x" ; then |
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LIBFLAC_LIBS="-L$libFLAC_prefix/lib" |
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elif test "x$prefix" != "xNONE"; then |
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LIBFLAC_LIBS="-L$prefix/lib" |
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fi |
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if test "x$libFLAC_prefix" != "xno" ; then |
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LIBFLAC_LIBS="$LIBFLAC_LIBS -lFLAC $OGG_LIBS -lm" |
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fi |
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if test "x$libFLAC_includes" != "x" ; then |
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LIBFLAC_CFLAGS="-I$libFLAC_includes" |
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elif test "x$libFLAC_prefix" != "x" ; then |
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LIBFLAC_CFLAGS="-I$libFLAC_prefix/include" |
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elif test "$prefix" != "xNONE"; then |
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LIBFLAC_CFLAGS="" |
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fi |
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AC_MSG_CHECKING(for libFLAC) |
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no_libFLAC="" |
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if test "x$enable_libFLACtest" = "xyes" ; then |
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ac_save_CFLAGS="$CFLAGS" |
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ac_save_CXXFLAGS="$CXXFLAGS" |
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ac_save_LIBS="$LIBS" |
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ac_save_LD_LIBRARY_PATH="$LD_LIBRARY_PATH" |
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CFLAGS="$CFLAGS $LIBFLAC_CFLAGS" |
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CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS" |
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LIBS="$LIBS $LIBFLAC_LIBS" |
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LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH" |
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dnl |
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dnl Now check if the installed libFLAC is sufficiently new. |
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dnl |
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rm -f conf.libFLACtest |
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AC_TRY_RUN([ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <FLAC/format.h> |
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int main () |
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{ |
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system("touch conf.libFLACtest"); |
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return 0; |
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} |
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],, no_libFLAC=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) |
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CFLAGS="$ac_save_CFLAGS" |
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CXXFLAGS="$ac_save_CXXFLAGS" |
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LIBS="$ac_save_LIBS" |
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LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH" |
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fi |
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if test "x$no_libFLAC" = "x" ; then |
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AC_MSG_RESULT(yes) |
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ifelse([$1], , :, [$1]) |
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else |
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AC_MSG_RESULT(no) |
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if test -f conf.libFLACtest ; then |
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: |
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else |
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echo "*** Could not run libFLAC test program, checking why..." |
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CFLAGS="$CFLAGS $LIBFLAC_CFLAGS" |
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CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS" |
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LIBS="$LIBS $LIBFLAC_LIBS" |
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LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH" |
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AC_TRY_LINK([ |
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#include <stdio.h> |
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#include <FLAC/format.h> |
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], [ return 0; ], |
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[ echo "*** The test program compiled, but did not run. This usually means" |
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echo "*** that the run-time linker is not finding libFLAC or finding the wrong" |
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echo "*** version of libFLAC. If it is not finding libFLAC, you'll need to set your" |
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" |
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echo "*** to the installed location Also, make sure you have run ldconfig if that" |
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echo "*** is required on your system" |
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echo "***" |
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echo "*** If you have an old version installed, it is best to remove it, although" |
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], |
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[ echo "*** The test program failed to compile or link. See the file config.log for the" |
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echo "*** exact error that occured. This usually means libFLAC was incorrectly installed" |
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echo "*** or that you have moved libFLAC since it was installed. In the latter case, you" |
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echo "*** may want to edit the libFLAC-config script: $LIBFLAC_CONFIG" ]) |
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CFLAGS="$ac_save_CFLAGS" |
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CXXFLAGS="$ac_save_CXXFLAGS" |
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LIBS="$ac_save_LIBS" |
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LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH" |
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fi |
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LIBFLAC_CFLAGS="" |
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LIBFLAC_LIBDIR="" |
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LIBFLAC_LIBS="" |
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ifelse([$2], , :, [$2]) |
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fi |
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AC_SUBST(LIBFLAC_CFLAGS) |
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AC_SUBST(LIBFLAC_LIBDIR) |
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AC_SUBST(LIBFLAC_LIBS) |
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rm -f conf.libFLACtest |
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])
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