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# Configure paths for libOggFLAC++
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# Caller must first run AM_PATH_LIBOGGFLAC
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dnl AM_PATH_LIBOGGFLACPP([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Test for libOggFLAC++, and define LIBOGGFLACPP_CFLAGS and LIBOGGFLACPP_LIBS
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AC_DEFUN([AM_PATH_LIBOGGFLACPP],
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dnl Get the cflags and libraries
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AC_ARG_WITH(libOggFLACPP,[ --with-libOggFLACPP=PFX Prefix where libOggFLAC++ is installed (optional)], libOggFLACPP_prefix="$withval", libOggFLACPP_prefix="")
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AC_ARG_WITH(libOggFLACPP-libraries,[ --with-libOggFLACPP-libraries=DIR Directory where libOggFLAC++ library is installed (optional)], libOggFLACPP_libraries="$withval", libOggFLACPP_libraries="")
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AC_ARG_WITH(libOggFLACPP-includes,[ --with-libOggFLACPP-includes=DIR Directory where libOggFLAC++ header files are installed (optional)], libOggFLACPP_includes="$withval", libOggFLACPP_includes="")
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AC_ARG_ENABLE(libOggFLACPPtest, [ --disable-libOggFLACPPtest Do not try to compile and run a test libOggFLAC++ program],, enable_libOggFLACPPtest=yes)
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if test "x$libOggFLACPP_libraries" != "x" ; then
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LIBOGGFLACPP_LIBS="-L$libOggFLACPP_libraries"
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elif test "x$libOggFLACPP_prefix" != "x" ; then
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LIBOGGFLACPP_LIBS="-L$libOggFLACPP_prefix/lib"
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elif test "x$prefix" != "xNONE" ; then
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LIBOGGFLACPP_LIBS="-L$libdir"
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LIBOGGFLACPP_LIBS="$LIBOGGFLACPP_LIBS -lOggFLAC++ $LIBOGGFLAC_LIBS"
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if test "x$libOggFLACPP_includes" != "x" ; then
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LIBOGGFLACPP_CFLAGS="-I$libOggFLACPP_includes"
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elif test "x$libOggFLACPP_prefix" != "x" ; then
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LIBOGGFLACPP_CFLAGS="-I$libOggFLACPP_prefix/include"
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elif test "$prefix" != "xNONE"; then
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LIBOGGFLACPP_CFLAGS="-I$prefix/include"
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LIBOGGFLACPP_CFLAGS="$LIBOGGFLACPP_CFLAGS $LIBOGGFLAC_CFLAGS"
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AC_MSG_CHECKING(for libOggFLAC++)
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if test "x$enable_libOggFLACPPtest" = "xyes" ; then
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ac_save_CFLAGS="$CFLAGS"
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ac_save_CXXFLAGS="$CXXFLAGS"
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CFLAGS="$CFLAGS $LIBOGGFLACPP_CFLAGS"
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CXXFLAGS="$CXXFLAGS $LIBOGGFLACPP_CFLAGS"
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LIBS="$LIBS $LIBOGGFLACPP_LIBS"
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dnl Now check if the installed libOggFLAC++ is sufficiently new.
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rm -f conf.libOggFLAC++test
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#include <OggFLAC++/decoder.h>
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system("touch conf.libOggFLAC++test");
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],, no_libOggFLACPP=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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if test "x$no_libOggFLACPP" = "x" ; then
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ifelse([$1], , :, [$1])
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if test -f conf.libOggFLAC++test ; then
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echo "*** Could not run libOggFLAC++ test program, checking why..."
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CFLAGS="$CFLAGS $LIBOGGFLACPP_CFLAGS"
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LIBS="$LIBS $LIBOGGFLACPP_LIBS"
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#include <OggFLAC++/decoder.h>
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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 libOggFLAC++ or finding the wrong"
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echo "*** version of libOggFLAC++. If it is not finding libOggFLAC++, 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 "*** 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 libOggFLAC++ was incorrectly installed"
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echo "*** or that you have moved libOggFLAC++ since it was installed. In the latter case, you"
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echo "*** may want to edit the libOggFLAC++-config script: $LIBFLACPP_CONFIG" ])
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CFLAGS="$ac_save_CFLAGS"
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LIBOGGFLACPP_CFLAGS=""
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ifelse([$2], , :, [$2])
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AC_SUBST(LIBOGGFLACPP_CFLAGS)
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AC_SUBST(LIBOGGFLACPP_LIBS)
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rm -f conf.libOggFLAC++test