Module: Mesa Branch: master Commit: adda7f3215a0f749751977cbbb6cef67f7163be5 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=adda7f3215a0f749751977cbbb6cef67f7163be5
Author: Alan Coopersmith <[email protected]> Date: Sat Jan 16 18:34:23 2010 -0800 Check if gcc supports -fvisibility=hidden before adding to CFLAGS Signed-off-by: Alan Coopersmith <[email protected]> --- configure.ac | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/configure.ac b/configure.ac index d01d0f1..f121002 100644 --- a/configure.ac +++ b/configure.ac @@ -96,7 +96,14 @@ esac dnl Add flags for gcc and g++ if test "x$GCC" = xyes; then - CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99 -ffast-math -fvisibility=hidden" + CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99 -ffast-math" + + # Enable -fvisibility=hidden if using a gcc that supports it + save_CFLAGS="$CFLAGS" + AC_MSG_CHECKING([whether $(CC) supports -fvisibility=hidden]) + CFLAGS="$CFLAGS -fvisibility=hidden" + AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]), + [CFLAGS="$save_CFLAGS" ; AC_MSG_RESULT([no])]); # Work around aliasing bugs - developers should comment this out CFLAGS="$CFLAGS -fno-strict-aliasing" _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
