| # Configure paths for libFLAC++ |
| # "Inspired" by ogg.m4 |
| # Caller must first run AM_PATH_LIBFLAC |
| |
| dnl AM_PATH_LIBFLACPP([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) |
| dnl Test for libFLAC++, and define LIBFLACPP_CFLAGS, LIBFLACPP_LIBS, LIBFLACPP_LIBDIR |
| dnl |
| AC_DEFUN([AM_PATH_LIBFLACPP], |
| [dnl |
| dnl Get the cflags and libraries |
| dnl |
| AC_ARG_WITH(libFLACPP,[ --with-libFLACPP=PFX Prefix where libFLAC++ is installed (optional)], libFLACPP_prefix="$withval", libFLACPP_prefix="") |
| AC_ARG_WITH(libFLACPP-libraries,[ --with-libFLACPP-libraries=DIR Directory where libFLAC++ library is installed (optional)], libFLACPP_libraries="$withval", libFLACPP_libraries="") |
| AC_ARG_WITH(libFLACPP-includes,[ --with-libFLACPP-includes=DIR Directory where libFLAC++ header files are installed (optional)], libFLACPP_includes="$withval", libFLACPP_includes="") |
| AC_ARG_ENABLE(libFLACPPtest, [ --disable-libFLACPPtest Do not try to compile and run a test libFLAC++ program],, enable_libFLACPPtest=yes) |
| |
| if test "x$libFLACPP_libraries" != "x" ; then |
| LIBFLACPP_LIBDIR="$libFLACPP_libraries" |
| elif test "x$libFLACPP_prefix" != "x" ; then |
| LIBFLACPP_LIBDIR="$libFLACPP_prefix/lib" |
| elif test "x$prefix" != "xNONE" ; then |
| LIBFLACPP_LIBDIR="$libdir" |
| fi |
| |
| LIBFLACPP_LIBS="-L$LIBFLACPP_LIBDIR -lFLAC++ $LIBFLAC_LIBS" |
| |
| if test "x$libFLACPP_includes" != "x" ; then |
| LIBFLACPP_CFLAGS="-I$libFLACPP_includes" |
| elif test "x$libFLACPP_prefix" != "x" ; then |
| LIBFLACPP_CFLAGS="-I$libFLACPP_prefix/include" |
| elif test "$prefix" != "xNONE"; then |
| LIBFLACPP_CFLAGS="" |
| fi |
| |
| LIBFLACPP_CFLAGS="$LIBFLACPP_CFLAGS $LIBFLAC_CFLAGS" |
| |
| AC_MSG_CHECKING(for libFLAC++) |
| no_libFLACPP="" |
| |
| |
| if test "x$enable_libFLACPPtest" = "xyes" ; then |
| ac_save_CFLAGS="$CFLAGS" |
| ac_save_CXXFLAGS="$CXXFLAGS" |
| ac_save_LIBS="$LIBS" |
| ac_save_LD_LIBRARY_PATH="$LD_LIBRARY_PATH" |
| CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS" |
| CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS" |
| LIBS="$LIBS $LIBFLACPP_LIBS" |
| LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH" |
| dnl |
| dnl Now check if the installed libFLAC++ is sufficiently new. |
| dnl |
| rm -f conf.libFLAC++test |
| AC_TRY_RUN([ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <FLAC++/decoder.h> |
| |
| int main () |
| { |
| system("touch conf.libFLAC++test"); |
| return 0; |
| } |
| |
| ],, no_libFLACPP=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) |
| CFLAGS="$ac_save_CFLAGS" |
| CXXFLAGS="$ac_save_CXXFLAGS" |
| LIBS="$ac_save_LIBS" |
| LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH" |
| fi |
| |
| if test "x$no_libFLACPP" = "x" ; then |
| AC_MSG_RESULT(yes) |
| ifelse([$1], , :, [$1]) |
| else |
| AC_MSG_RESULT(no) |
| if test -f conf.libFLAC++test ; then |
| : |
| else |
| echo "*** Could not run libFLAC++ test program, checking why..." |
| CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS" |
| CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS" |
| LIBS="$LIBS $LIBFLACPP_LIBS" |
| LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH" |
| AC_TRY_LINK([ |
| #include <stdio.h> |
| #include <FLAC++/decoder.h> |
| ], [ return 0; ], |
| [ echo "*** The test program compiled, but did not run. This usually means" |
| echo "*** that the run-time linker is not finding libFLAC++ or finding the wrong" |
| echo "*** version of libFLAC++. If it is not finding libFLAC++, 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 occurred. This usually means libFLAC++ was incorrectly installed" |
| echo "*** or that you have moved libFLAC++ since it was installed. In the latter case, you" |
| echo "*** may want to edit the libFLAC++-config script: $LIBFLACPP_CONFIG" ]) |
| CFLAGS="$ac_save_CFLAGS" |
| CXXFLAGS="$ac_save_CXXFLAGS" |
| LIBS="$ac_save_LIBS" |
| LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH" |
| fi |
| LIBFLACPP_CFLAGS="" |
| LIBFLACPP_LIBDIR="" |
| LIBFLACPP_LIBS="" |
| ifelse([$2], , :, [$2]) |
| fi |
| AC_SUBST(LIBFLACPP_CFLAGS) |
| AC_SUBST(LIBFLACPP_LIBDIR) |
| AC_SUBST(LIBFLACPP_LIBS) |
| rm -f conf.libFLAC++test |
| ]) |