SPEC-6276 Move ci_build and ci_build_metrics to scripts\build

scripts/build/Platform/Mac/env_mac.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+#
+# All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+# its licensors.
+#
+# For complete copyright and license terms please see the LICENSE at the root of this
+# distribution (the "License"). All use of this software is governed by the License,
+# or, if provided, by the license below or the license accompanying this file. Do not
+# remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#
+
+set -o errexit # exit on the first failure encountered
+
+if ! command -v cmake &> /dev/null; then
+    if [[ -z $LY_CMAKE_PATH ]]; then LY_CMAKE_PATH=${LY_3RDPARTY_PATH}/CMake/3.19.1/Mac/CMake.app/Contents/bin; fi
+    if [[ ! -d $LY_CMAKE_PATH ]]; then
+        echo "[ci_build] CMake path not found"
+        exit 1
+    fi
+    PATH=${LY_CMAKE_PATH}:${PATH}
+    if ! command -v cmake &> /dev/null; then
+        echo "[ci_build] CMake not found"
+        exit 1
+    fi
+fi