Mercurial > SDL_sound_CoreAudio
diff configure.in @ 569:d02c00ce16d9 stable-1.0
Clean up symbol visibility in the stable-1.0 branch.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Tue, 05 Jan 2010 15:03:43 -0500 |
| parents | cbb8f13ca516 |
| children |
line wrap: on
line diff
--- a/configure.in Tue Jan 27 14:09:55 2009 -0500 +++ b/configure.in Tue Jan 05 15:03:43 2010 -0500 @@ -58,6 +58,30 @@ dnl --------------------------------------------------------------------- +dnl Have GCC's -fvisibility option? +dnl --------------------------------------------------------------------- +AC_MSG_CHECKING(for GCC -fvisibility=hidden option) +have_gcc_fvisibility=no +visibility_CFLAGS="-fvisibility=hidden" +save_CFLAGS="$CFLAGS" +CFLAGS="$save_CFLAGS $visibility_CFLAGS" +AC_TRY_COMPILE([ +#if !defined(__GNUC__) || __GNUC__ < 4 +#error SDL only uses visibility attributes in GCC 4 or newer +#endif +],[ +],[ +have_gcc_fvisibility=yes +]) +AC_MSG_RESULT($have_gcc_fvisibility) +CFLAGS="$save_CFLAGS" + +if test x$have_gcc_fvisibility = xyes; then + CFLAGS="$CFLAGS $visibility_CFLAGS" +fi + + +dnl --------------------------------------------------------------------- dnl Debug mode? dnl ---------------------------------------------------------------------