From fa8a5f069fc45858a803cb05d967edd40d5aef38 Mon Sep 17 00:00:00 2001
From: waker <waker@titty.(none)>
Date: Sat, 12 Sep 2009 20:55:09 +0200
Subject: fixed AX_EXT macro to support non-x86 platforms

---
 acinclude.m4 | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/acinclude.m4 b/acinclude.m4
index ef47c978..2fc21e91 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -130,14 +130,18 @@ AC_DEFUN([AX_EXT],
   ecx=`echo $ax_cv_gcc_x86_cpuid_0x00000001 | cut -d ":" -f 3`
   edx=`echo $ax_cv_gcc_x86_cpuid_0x00000001 | cut -d ":" -f 4`
 
-
- AC_CACHE_CHECK([whether sse2 is supported], [ax_have_sse2_ext],
-  [
+  if test "x$edx" = "xunknown"; then
     ax_have_sse2_ext=no
-    if test "$((0x$edx>>26&0x01))" = 1; then
-      ax_have_sse2_ext=yes
-    fi
-  ])
+
+  else
+      AC_CACHE_CHECK([whether sse2 is supported], [ax_have_sse2_ext],
+      [
+        ax_have_sse2_ext=no
+        if test "$((0x$edx>>26&0x01))" = 1; then
+          ax_have_sse2_ext=yes
+        fi
+      ])
+  fi
 
   if test "$ax_have_sse2_ext" = yes; then
     AC_DEFINE(HAVE_SSE2, , [Support SSE2 (Streaming SIMD Extensions 2) instructions])
-- 
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