arm64_make script changes

platform_tools/barelinux/bin/arm64_make

Index: platform_tools/barelinux/bin/arm64_make
diff --git a/platform_tools/barelinux/bin/arm64_make b/platform_tools/barelinux/bin/arm64_make
index 587181e927f8f06cafbe2bc89be9095d761b2d0a..4ce50ea97d8d82706b2b794a73cf8e7b172d11cf 100755
--- a/platform_tools/barelinux/bin/arm64_make
+++ b/platform_tools/barelinux/bin/arm64_make
@@ -5,6 +5,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+set -e  # When any command fails, the shell will immediately exit.
+
 usage() {
     cat >&2 <<EOF
 arm64_make - this script builds a ARMv7 Aarch64 version of skia that
@@ -53,5 +55,5 @@ export GYP_DEFINES="${GYP_DEFINES} \
     arm_thumb=0 \
     "
 
-"$(dirname "$0")/barelinux_make" -t "$BUILD_TYPE"
+. "$(dirname "$0")/barelinux_make" -t "$BUILD_TYPE"