[FFmpeg-devel] [PATCH] AltiVec detection support for OpenBSD

[Brad]

The following diff adds support for detecting the presence of
AltiVec for OpenBSD.


--- libavcodec/ppc/check_altivec.c.orig	Sat Sep 20 12:27:25 2008
+++ libavcodec/ppc/check_altivec.c	Sat Sep 20 22:52:16 2008
@@ -25,6 +25,10 @@
 #ifdef __APPLE__
 #undef _POSIX_C_SOURCE
 #include <sys/sysctl.h>
+#elif defined(__OpenBSD__)
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <machine/cpu.h>
 #elif __AMIGAOS4__
 #include <exec/exec.h>
 #include <interfaces/exec.h>
@@ -45,8 +49,12 @@ int has_altivec(void)
     IExec->GetCPUInfoTags(GCIT_VectorUnit, &result, TAG_DONE);
     if (result == VECTORTYPE_ALTIVEC) return 1;
     return 0;
-#elif __APPLE__
+#elif defined(__APPLE__) || defined(__OpenBSD__)
+#ifdef __OpenBSD__
+    int sels[2] = {CTL_MACHDEP, CPU_ALTIVEC};
+#else
     int sels[2] = {CTL_HW, HW_VECTORUNIT};
+#endif
     int has_vu = 0;
     size_t len = sizeof(has_vu);
     int err;

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