Commit 018f3af4 authored by Pierre d'Herbemont's avatar Pierre d'Herbemont

configure.ac: On Mac OS X, if ld has the text reloc bug, disable mmx and sse.

parent d431f940
......@@ -218,7 +218,26 @@ case "${host_os}" in
echo " Assuming --disable-glx"
enable_xvideo="no"
echo " Assuming --disable-xvideo"
fi
if test ".`uname -p`" = ".i386"; then
dnl Due to a ld(64) bug in 10.5 we cannot use our mmx code
dnl without hacking it a lot, we disable mmx and sse.
dnl (that bug is about ld being unable to handle
dnl text relocation)
save_cflags="$CFLAGS"
CFLAGS="$CFLAGS -dynamiclib"
AC_TRY_LINK(
[int a;], [asm("movq _a,%mm0\n");],
ac_ld_does_not_support_text_reloc=no,
ac_ld_does_not_support_text_reloc=yes)
CFLAGS="$save_cflags"
if test "x$ac_ld_does_not_support_text_reloc" = "xyes"; then
enable_mmx="no"
echo " Assuming --disable-mmx (due to a bug in ld)"
enable_sse="no"
echo " Assuming --disable-sse (due to a bug in ld)"
fi
fi
;;
*mingw32* | *cygwin* | *wince* | *mingwce* | *pe*)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment