bettter detect for mmx (same as evas now)

SVN revision: 13939

configure.in

@@ -90,7 +90,12 @@ AC_DEFINE_UNQUOTED(PACKAGE_SOURCE_DIR, "${packagesrcdir}", [Source code director
 requirements="freetype2"
 
 mmx=no
-AC_ARG_ENABLE(mmx,[  --disable-mmx           attempt compiling using mmx assembly [default=yes]],
+case $target_cpu in
+  i*86)
+    mmx="yes"
+    ;;
+esac
+AC_ARG_ENABLE(mmx,[  --enable-mmx           attempt compiling using mmx assembly [default=auto]],
 [
   if test x$enableval = xyes; then
     mmx=yes
@@ -99,30 +104,6 @@ AC_ARG_ENABLE(mmx,[  --disable-mmx           attempt compiling using mmx assembl
     mmx=no
     AC_MSG_RESULT(disabling mmx support)
   fi
-],
-[
-if test x$target_os = xlinux-gnu -o x$target_os = xlinux; then
-  if test x$target_cpu = x$host_cpu; then
-    mmx=`cat /proc/cpuinfo | grep mmx`
-    if test -n "$mmx"; then
-      mmx=yes
-      echo "You appear to be compiling on a "$target_cpu/$target_os" system; using MMX."
-    fi
-  else
-    echo ""
-    echo "You are cross-compiling on a "$host_cpu" machine for a "$target_cpu/$target_os" machine."
-    echo "If this target supports mmx, please enable mmx with --enable-mmx as a"
-    echo "configure option."
-    echo ""
-  fi
-else
-  echo ""
-  echo "You are not running Linux - This script cannot auto-detect mmx assembly."
-  echo "(You appear to be running $target_os.)"
-  echo "You will have to enable the mmx assembly (which gives anywhere from 10%"
-  echo "to 300% speedups) by adding --enable-mmx on the configure command-line."
-  echo ""
-fi
 ]
 )
 if test x$mmx = xyes; then