change "i686" to "pentium4" if sse2 is available

1 files changed, 7 insertions, 0 deletions

diff --git a/src/pacman/conf.c b/src/pacman/conf.c
index 0f0c2cfb..b05c456d 100644
--- a/src/pacman/conf.c
+++ b/src/pacman/conf.c
@@ -18,6 +18,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <cpuid.h>
 #include <errno.h>
 #include <limits.h>
 #include <locale.h> /* setlocale */
@@ -401,6 +402,12 @@ int config_add_architecture(char *arch)
 		char *newarch;
 		uname(&un);
 		newarch = strdup(un.machine);
+		if(strcmp(newarch, "i686") == 0) {
+			unsigned int eax, ebx, ecx, edx;
+			__get_cpuid(1, &eax, &ebx, &ecx, &edx);
+			if (ecx & bit_SSE2)
+				newarch = strdup("pentium4");
+		}
 		free(arch);
 		arch = newarch;
 	}