fix bug #5228 -- Add AltiVec detection for FreeBSD. thanks Piotr Kubaj.
diff --git a/src/cpuinfo/SDL_cpuinfo.c b/src/cpuinfo/SDL_cpuinfo.c
index 0eb040c..fbeebd6 100644
--- a/src/cpuinfo/SDL_cpuinfo.c
+++ b/src/cpuinfo/SDL_cpuinfo.c
@@ -49,7 +49,7 @@
#endif
#if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
#include <sys/sysctl.h> /* For AltiVec check */
-#elif defined(__OpenBSD__) && defined(__powerpc__)
+#elif (defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
#include <sys/param.h>
#include <sys/sysctl.h> /* For AltiVec check */
#include <machine/cpu.h>
@@ -314,9 +314,11 @@ CPU_haveAltiVec(void)
{
volatile int altivec = 0;
#ifndef SDL_CPUINFO_DISABLED
-#if (defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))) || (defined(__OpenBSD__) && defined(__powerpc__))
+#if (defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))) || (defined(__OpenBSD__) && defined(__powerpc__)) || (defined(__FreeBSD__) && defined(__powerpc__))
#ifdef __OpenBSD__
int selectors[2] = { CTL_MACHDEP, CPU_ALTIVEC };
+#elif defined(__FreeBSD__)
+ int selectors[2] = { CTL_HW, PPC_FEATURE_HAS_ALTIVEC };
#else
int selectors[2] = { CTL_HW, HW_VECTORUNIT };
#endif