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*)
dnl
dnl x86 accelerations
dnl
-if test "${host_cpu}" = "i686" -o "${host_cpu}" = "i586" -o "${host_cpu}" = "x86" -o "${host_cpu}" = "i386" -o "${host_cpu}" = "i486" -o "${host_cpu}" = "x86_64"
-then
+AC_ARG_ENABLE(mmx,
+[ --disable-mmx disable MMX optimizations (default enabled on x86)],
+[ if test "${enable_mmx}" = "yes"; then ARCH="${ARCH} mmx";
+ VLC_ADD_PLUGINS([${ACCEL_MODULES}]) fi ],
+[ if test "${host_cpu}" = "i686" -o "${host_cpu}" = "i586" -o "${host_cpu}" = "x86" -o "${host_cpu}" = "i386" -o "${host_cpu}" = "i486" -o "${host_cpu}" = "x86_64"; then
ARCH="${ARCH} mmx"
- VLC_ADD_PLUGINS([${ACCEL_MODULES}])
-fi
-if test "${host_cpu}" = "i686" -o "${host_cpu}" = "x86_64"
-then
- ARCH="${ARCH} sse sse2"
- VLC_ADD_PLUGINS([${ACCEL_MODULES}])
-fi
+ VLC_ADD_PLUGINS([${ACCEL_MODULES}]) fi ])
+
+AC_ARG_ENABLE(sse,
+[ --disable-sse disable SSE (1 and 2) optimizations (default enabled on i686 and x86_64)],
+[ if test "${enable_sse}" = "yes"; then ARCH="${ARCH} sse sse2";
+ VLC_ADD_PLUGINS([${ACCEL_MODULES}]) fi ],
+[ if test "${host_cpu}" = "i686" -o "${host_cpu}" = "x86_64"; then ARCH="${ARCH} sse sse2";
+ VLC_ADD_PLUGINS([${ACCEL_MODULES}]) fi ])
dnl
dnl Memory usage