1.0.31.24: add BSWAP instruction for x86

[sbcl.git] / make-config.sh

diff --git a/make-config.sh b/make-config.sh
index e3da7bc..fa4768e 100644 (file)
--- a/make-config.sh
+++ b/make-config.sh
@@ -128,6 +128,11 @@ if [ "$sbcl_os" = "sunos" ] && [ `isainfo -k` = "amd64" ]; then
     guessed_sbcl_arch=x86-64
 fi
 
+# Under Darwin, uname -m returns "i386" even if CPU is x86_64.
+if [ "$sbcl_os" = "darwin" ] && [ "`sysctl -n hw.optional.x86_64`" = "1" ]; then
+    guessed_sbcl_arch=x86-64
+fi
+
 echo //setting up CPU-architecture-dependent information
 sbcl_arch=${SBCL_ARCH:-$guessed_sbcl_arch}
 echo sbcl_arch=\"$sbcl_arch\"