mirror of
https://github.com/cookiengineer/audacity
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118 lines
4.4 KiB
Plaintext
118 lines
4.4 KiB
Plaintext
# Configure paths for libFLAC++
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# "Inspired" by ogg.m4
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# Caller must first run AM_PATH_LIBFLAC
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dnl AM_PATH_LIBFLACPP([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Test for libFLAC++, and define LIBFLACPP_CFLAGS, LIBFLACPP_LIBS, LIBFLACPP_LIBDIR
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dnl
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AC_DEFUN([AM_PATH_LIBFLACPP],
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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(libFLACPP,[ --with-libFLACPP=PFX Prefix where libFLAC++ is installed (optional)], libFLACPP_prefix="$withval", libFLACPP_prefix="")
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AC_ARG_WITH(libFLACPP-libraries,[ --with-libFLACPP-libraries=DIR Directory where libFLAC++ library is installed (optional)], libFLACPP_libraries="$withval", libFLACPP_libraries="")
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AC_ARG_WITH(libFLACPP-includes,[ --with-libFLACPP-includes=DIR Directory where libFLAC++ header files are installed (optional)], libFLACPP_includes="$withval", libFLACPP_includes="")
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AC_ARG_ENABLE(libFLACPPtest, [ --disable-libFLACPPtest Do not try to compile and run a test libFLAC++ program],, enable_libFLACPPtest=yes)
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if test "x$libFLACPP_libraries" != "x" ; then
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LIBFLACPP_LIBDIR="$libFLACPP_libraries"
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elif test "x$libFLACPP_prefix" != "x" ; then
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LIBFLACPP_LIBDIR="$libFLACPP_prefix/lib"
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elif test "x$prefix" != "xNONE" ; then
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LIBFLACPP_LIBDIR="$libdir"
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fi
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LIBFLACPP_LIBS="-L$LIBFLACPP_LIBDIR -lFLAC++ $LIBFLAC_LIBS"
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if test "x$libFLACPP_includes" != "x" ; then
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LIBFLACPP_CFLAGS="-I$libFLACPP_includes"
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elif test "x$libFLACPP_prefix" != "x" ; then
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LIBFLACPP_CFLAGS="-I$libFLACPP_prefix/include"
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elif test "$prefix" != "xNONE"; then
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LIBFLACPP_CFLAGS=""
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fi
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LIBFLACPP_CFLAGS="$LIBFLACPP_CFLAGS $LIBFLAC_CFLAGS"
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AC_MSG_CHECKING(for libFLAC++)
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no_libFLACPP=""
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if test "x$enable_libFLACPPtest" = "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 $LIBFLACPP_CFLAGS"
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CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS"
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LIBS="$LIBS $LIBFLACPP_LIBS"
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LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$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.libFLAC++test
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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++/decoder.h>
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int main ()
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{
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system("touch conf.libFLAC++test");
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return 0;
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}
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],, no_libFLACPP=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_libFLACPP" = "x" ; then
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AC_MSG_RESULT(yes)
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ifelse([$1], , :, [$1])
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else
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AC_MSG_RESULT(no)
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if test -f conf.libFLAC++test ; then
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:
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else
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echo "*** Could not run libFLAC++ test program, checking why..."
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CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS"
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CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS"
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LIBS="$LIBS $LIBFLACPP_LIBS"
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LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
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AC_TRY_LINK([
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#include <stdio.h>
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#include <FLAC++/decoder.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: $LIBFLACPP_CONFIG" ])
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CFLAGS="$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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LIBFLACPP_CFLAGS=""
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LIBFLACPP_LIBDIR=""
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LIBFLACPP_LIBS=""
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ifelse([$2], , :, [$2])
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fi
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AC_SUBST(LIBFLACPP_CFLAGS)
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AC_SUBST(LIBFLACPP_LIBDIR)
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AC_SUBST(LIBFLACPP_LIBS)
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rm -f conf.libFLAC++test
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])
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