$NetBSD: patch-ad,v 1.5 2009/03/22 21:02:17 wiz Exp $

Provide proper detection of altivec on NetBSD/powerpc ports.

--- liboil/liboilcpu-powerpc.c.orig	2009-02-26 19:50:42.000000000 +0000
+++ liboil/liboilcpu-powerpc.c
@@ -59,6 +59,12 @@
 #include <sys/sysctl.h>
 #endif
 
+#if defined(__NetBSD__)
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#endif
+
 #if defined(__OpenBSD__)
 #include <sys/param.h>
 #include <sys/sysctl.h>
@@ -75,7 +81,7 @@ oil_profile_stamp_tb(void)
   return ts;
 }
 
-#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) && !defined(__OpenBSD__) && !defined(__APPLE__) && !defined(__linux__)
+#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) && !defined(__OpenBSD__) && !defined(__APPLE__) && !defined(__linux__) && !defined(__NetBSD__)
 static void
 test_altivec (void * ignored)
 {
@@ -83,6 +89,21 @@ test_altivec (void * ignored)
 }
 #endif
 
+#if defined(__NetBSD__)
+static void
+oil_check_altivec_sysctl_netbsd (void)
+{
+  int ret, av;
+  size_t len;
+
+  len = sizeof(av);
+  ret = sysctlbyname("machdep.altivec", &av, &len, NULL, 0);
+  if (!ret && av) {
+    oil_cpu_flags |= OIL_IMPL_FLAG_ALTIVEC;
+  }
+}
+#endif
+
 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
 static void
 oil_check_altivec_sysctl_freebsd (void)
@@ -181,7 +202,7 @@ out:
 }
 #endif
 
-#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) && !defined(__OpenBSD__) && !defined(__APPLE__) && !defined(__linux__)
+#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) && !defined(__OpenBSD__) && !defined(__APPLE__) && !defined(__linux__) && !defined(__NetBSD__)
 static void
 oil_check_altivec_fault (void)
 {
@@ -199,6 +220,8 @@ oil_cpu_detect_arch(void)
 {
 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
   oil_check_altivec_sysctl_freebsd();
+#elif defined(__NetBSD__)
+  oil_check_altivec_sysctl_netbsd();
 #elif defined(__OpenBSD__)
   oil_check_altivec_sysctl_openbsd();
 #elif defined(__APPLE__)