diff --git a/AUTHORS b/AUTHORS
index 7be10ab59e8a..b80ab7b7291d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -886,6 +886,7 @@ Marco Fontani                  <MFONTANI@cpan.org>
 Marco Peereboom                <marco@conformal.com>
 Marcus Holland-Moritz          <mhx-perl@gmx.net>
 Marek Rouchal                  <marek.rouchal@infineon.com>
+Marin Tsanov                   <btg.tsanov.marin@gmail.com>
 Mark A Biggar                  <mab@wdl.loral.com>
 Mark A. Hershberger            <mah@everybody.org>
 Mark A. Stratman               <stratman@gmail.com>
diff --git a/hints/darwin.sh b/hints/darwin.sh
index 9794ea6f805e..3a989d602a82 100644
--- a/hints/darwin.sh
+++ b/hints/darwin.sh
@@ -427,11 +427,13 @@ EOM
     case `uname -p` in 
     powerpc) arch=ppc64 ;;
     i386) arch=x86_64 ;;
+    arm) arch=arm64 ;;
     *) cat <<EOM >&4
 
 *** Don't recognize processor, can't specify 64 bit compilation.
 
 EOM
+     exit 1
     ;;
     esac
     for var in ccflags cppflags ld ldflags