57 lines
2 KiB
Text
57 lines
2 KiB
Text
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Clean up symbol visibility.
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--- configure.in.orig Sun Apr 20 16:33:43 2008
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+++ configure.in Fri Jun 1 02:53:20 2012
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@@ -58,6 +58,30 @@ AM_PROG_LIBTOOL
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dnl ---------------------------------------------------------------------
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+dnl Have GCC's -fvisibility option?
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+dnl ---------------------------------------------------------------------
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+AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
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+have_gcc_fvisibility=no
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+visibility_CFLAGS="-fvisibility=hidden"
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+save_CFLAGS="$CFLAGS"
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+CFLAGS="$save_CFLAGS $visibility_CFLAGS"
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+AC_TRY_COMPILE([
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+#if !defined(__GNUC__) || __GNUC__ < 4
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+#error SDL only uses visibility attributes in GCC 4 or newer
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+#endif
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+],[
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+],[
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+have_gcc_fvisibility=yes
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+])
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+AC_MSG_RESULT($have_gcc_fvisibility)
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+CFLAGS="$save_CFLAGS"
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+
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+if test x$have_gcc_fvisibility = xyes; then
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+ CFLAGS="$CFLAGS $visibility_CFLAGS"
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+fi
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+
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+
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+dnl ---------------------------------------------------------------------
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dnl Debug mode?
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dnl ---------------------------------------------------------------------
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@@ -222,9 +246,9 @@ AC_ARG_ENABLE(ogg,
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, enable_ogg=yes)
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if test x$enable_ogg = xyes; then
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AC_CHECK_HEADER(vorbis/codec.h, have_vorbis_hdr=yes)
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- AC_CHECK_LIB(vorbis, vorbis_info_init, have_vorbis_lib=yes)
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+ AC_CHECK_LIB(vorbis, vorbis_info_init, have_vorbis_lib=yes,,[-logg])
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AC_CHECK_HEADER(vorbis/vorbisfile.h, have_vorbisfile_hdr=yes)
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- AC_CHECK_LIB(vorbisfile, ov_open_callbacks, have_vorbisfile_lib=yes)
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+ AC_CHECK_LIB(vorbisfile, ov_open_callbacks, have_vorbisfile_lib=yes,,[-lvorbis -logg])
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have_vorbis=no
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if test x$have_ogg = xyes; then
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if test x$have_vorbis_hdr = xyes -a x$have_vorbis_lib = xyes; then
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@@ -259,7 +283,7 @@ AC_ARG_ENABLE(flac,
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, enable_flac=yes)
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if test x$enable_flac = xyes; then
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AC_CHECK_HEADER(FLAC/stream_decoder.h, have_flac_hdr=yes)
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- AC_CHECK_LIB(FLAC, $flcsym, have_flac_lib=yes)
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+ AC_CHECK_LIB(FLAC, $flcsym, have_flac_lib=yes,,[-logg])
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if test x$have_ogg = xyes; then
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if test x$have_flac_hdr = xyes -a x$have_flac_lib = xyes; then
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LIBS="$LIBS -lFLAC -logg"
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