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

1 files changed, 5 insertions, 0 deletions

diff --git a/src/pacman/conf.c b/src/pacman/conf.c
index 3b79fbc7..2325f688 100644
--- a/src/pacman/conf.c
+++ b/src/pacman/conf.c
@@ -308,6 +308,11 @@ int config_set_arch(const char *arch)
 		struct utsname un;
 		uname(&un);
 		config->arch = strdup(un.machine);
+		if(strcmp(config->arch, "i686") == 0) {
+			__builtin_cpu_init();
+			if (__builtin_cpu_supports("sse2"))
+				config->arch = strdup("pentium4");
+		}
 	} else {
 		config->arch = strdup(arch);
 	}