Fix config.sub on Apple platforms (#860)

* update config.sub

* update config.sub

diff --git a/config.sub b/config.sub
index 2c6a07ab3c34eabed8318ec0a37c0cc23b77a63f..2c5120f1ddae7feccd8ecc56f2ddfa1066e1503a 100755 (executable)
--- a/config.sub
+++ b/config.sub
@@ -1127,7 +1127,7 @@ case $cpu-$vendor in
        xscale-* | xscalee[bl]-*)
                cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
                ;;
-       arm64-* | aarch64le-*)
+       arm64-* | arm64_32-* | aarch64le-*)
                cpu=aarch64
                ;;
 
@@ -1864,6 +1864,8 @@ case $kernel-$os-$obj in
                ;;
        os2-emx-)
                ;;
+       ios*-simulator* | tvos*-simulator* | watchos*-simulator*)
+               ;;      
        *-eabi*- | *-gnueabi*-)
                ;;
        none--*)