On Tue, Apr 26, 2011 at 5:00 AM, Jon TURNEY <jon.tur...@dronecode.org.uk> wrote: > Looking at this bit of autofoolery, I notice that at the moment it is just > checking if CC supports -fvisibility=hidden twice > > Signed-off-by: Jon TURNEY <jon.tur...@dronecode.org.uk> > --- > configure.ac | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/configure.ac b/configure.ac > index 3b05ca3..37ea5e7 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -170,8 +170,10 @@ if test "x$GXX" = xyes; then > AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden]) > VISIBILITY_CXXFLAGS="-fvisibility=hidden" > CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS" > + AC_LANG_PUSH([C++]) > AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]), > [VISIBILITY_CXXFLAGS="" ; AC_MSG_RESULT([no])]); > + AC_LANG_POP([C++]) > > # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed. > CXXFLAGS=$save_CXXFLAGS
I'm not super familiar with how AC_LANG_PROGRAM works, but this seems right as it should use whatever AC_LANG is. http://www.gnu.org/software/autoconf/manual/autoconf.html#Language-Choice http://www.gnu.org/software/autoconf/manual/autoconf.html#Writing-Test-Programs -- Dan _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
