[MPlayer-dev-eng] [PATCH] Check for intrinsic support in configure

[Zuxy Meng]

Mostly copied from ffmpeg's configure:-)

-- 
Zuxy
Beauty is truth,
While truth is beauty.
PGP KeyID: E8555ED6
-------------- next part --------------
--- main/configure	2006-05-13 17:02:02.000000000 +0800
+++ main.new/configure	2006-05-13 19:04:11.000000000 +0800
@@ -879,7 +879,6 @@
 		proc=k6
 	else
 		proc=i586
-		iproc=586
 	fi
 	;;
     6) iproc=686
@@ -2305,6 +2304,36 @@
 _def_sse2='#undef HAVE_SSE2'
 test "$_sse2" = yes && _def_sse2='#define HAVE_SSE2 1'
 
+# Checking intrinsic's headers for use of ffmpeg
+_def_builtin_vector='#undef HAVE_BUILTIN_VECTOR'
+if test "$_sse" = yes ; then
+  echocheck "xmmintrin.h"
+  cat > $TMPC << EOF
+#include <xmmintrin.h>
+int main() { _mm_sfence ; return 0; }
+EOF
+  _builtin_vector=no
+  cc_check -msse && _builtin_vector=yes
+  if test "$_builtin_vector" = yes ; then
+    _def_builtin_vector='#define HAVE_BUILTIN_VECTOR 1'
+  fi
+  echores "$_builtin_vector"
+fi
+_def_mm3dnow='#undef HAVE_MM3DNOW'
+if test "$_3dnow" = yes ; then
+  echocheck "mm3dnow.h"
+  cat > $TMPC << EOF
+#include <mm3dnow.h>
+int main() { _m_femms(); return 0; }
+EOF
+  _mm3dnow=no
+  cc_check -m3dnow && _mm3dnow=yes
+  if test "$_mm3dnow" = yes ; then
+    _def_mm3dnow='#define HAVE_MM3DNOW 1'
+  fi
+  echores "$_mm3dnow"
+fi
+
 # Checking kernel version...
 if x86 && linux ; then
   _k_verc_problem=no
@@ -7488,6 +7517,8 @@
 TARGET_SSE = $_sse
 TARGET_ALTIVEC = $_altivec
 TARGET_VIS = $_vis
+TARGET_BUILTIN_VECTOR = $_builtin_vector 
+TARGET_BUILTIN_3DNOW = $_mm3dnow
 
 # --- GUI stuff ---
 GTKINC = $_inc_gtk
@@ -8128,6 +8159,8 @@
 
 $_def_altivec_h	// enables usage of altivec.h
 
+$_def_builtin_vector  // enables usage of xmmintrin.h
+$_def_mm3dnow   // enables usage of mm3dnow.h
 
 $_def_mlib  // Sun mediaLib, available only on solaris
 $_def_vis	// only define if you have VIS ( ultrasparc )