--- MPlayer-1.0rc4/cpudetect.c	2011-01-30 14:05:52.874908169 +0100
+++ MPlayer-1.0rc4-patch/cpudetect.c	2011-01-30 14:06:11.535004688 +0100
@@ -45,8 +45,11 @@
 #include <os2.h>
 #elif defined(__AMIGAOS4__)
 #include <proto/exec.h>
+#elif defined(__sun)
+#include <sys/utsname.h>
 #endif
 
+
 /* Thanks to the FreeBSD project for some of this cpuid code, and
  * help understanding how to use it.  Thanks to the Mesa
  * team for SSE support detection and more cpu detect code.
@@ -416,6 +419,20 @@
     mp_msg(MSGT_CPUDETECT,MSGL_WARN, "Cannot test OS support for SSE, disabling to be safe.\n" );
     gCpuCaps.hasSSE=0;
 #endif /* _POSIX_SOURCE */
+#elif defined(__sun)
+   struct utsname solname;
+   long major, minor = 0;
+   char *radix;
+
+   if (uname(&solname) > 0) {
+      major = strtol(solname.release, &radix, 10);
+      if (*radix != '\0')
+         minor = strtol(++radix, NULL, 10);
+      if (!(major >= 5 && minor >= 9))
+         gCpuCaps.hasSSE=0;
+   } else {
+      gCpuCaps.hasSSE=0;
+   }
 #else
     /* Do nothing on other platforms for now.
      */