repo: Delete glslang files

Change-Id: I42e66cf9dc4a4db7a86bc2f29086fad532b9f629

6 files changed, 0 insertions, 746 deletions

diff --git a/external_revisions/glslang_giturl b/external_revisions/glslang_giturl
deleted file mode 100644
index d6610008..00000000
--- a/external_revisions/glslang_giturl
+++ /dev/null
@@ -1 +0,0 @@
-https://github.com/KhronosGroup/glslang.git
diff --git a/external_revisions/glslang_revision b/external_revisions/glslang_revision
deleted file mode 100644
index 1e018a55..00000000
--- a/external_revisions/glslang_revision
+++ /dev/null
@@ -1 +0,0 @@
-3bb4c48cd95892a5cfcd63df20fcc47fd51c97a0
diff --git a/scripts/check_toolchain_revisions.sh b/scripts/check_toolchain_revisions.sh
deleted file mode 100755
index 10835290..00000000
--- a/scripts/check_toolchain_revisions.sh
+++ /dev/null
@@ -1,57 +0,0 @@
-#!/bin/bash
-
-set -e
-
-# If any tracked revision no longer matches the local revision, blast the extenal toolchain directories
-
-function check_revision()
-{
-  echo Checking current revision for $1 in $2
-  if [ -d $2/.git ]; then
-    current_rev=$(git --git-dir=$2/.git rev-parse HEAD);
-  fi
-  echo current_rev for $1 is $current_rev;
-  tracked_rev=$(cat $3);
-  echo tracked_rev for $1 is $tracked_rev;
-  if [ "$current_rev" != "$tracked_rev" ]; then
-    echo Revisions for $1 do not match.;
-    if [ -d external ]; then
-      echo Removing current desktop toolchain;
-      rm -rf external/*;
-    fi
-    if [ -d build-android/external ]; then
-      echo Removing current android toolchain;
-      rm -rf build-android/external/*;
-    fi
-    echo Done removing toolchains.
-    exit 0;
-  fi
-}
-
-# Parameters are tool, current git repo location, tracked revision location
-tool=glslang
-dir=external/glslang
-rev=external_revisions/glslang_revision
-check_revision $tool $dir $rev
-
-tool=glslang_android
-dir=build-android/external/glslang
-rev=build-android/glslang_revision_android
-check_revision $tool $dir $rev
-
-tool=spirv-tools_android
-dir=build-android/external/spirv-tools
-rev=build-android/spirv-tools_revision_android
-check_revision $tool $dir $rev
-
-tool=spirv-headers_android
-dir=build-android/external/spirv-tools/external/spirv-headers
-rev=build-android/spirv-headers_revision_android
-check_revision $tool $dir $rev
-
-tool=shaderc_android
-dir=build-android/external/shaderc
-rev=build-android/shaderc_revision_android
-check_revision $tool $dir $rev
-
-exit 0
diff --git a/scripts/external_revision_generator.py b/scripts/external_revision_generator.py
deleted file mode 100644
index 9ba9156b..00000000
--- a/scripts/external_revision_generator.py
+++ /dev/null
@@ -1,114 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (c) 2015-2017 The Khronos Group Inc.
-# Copyright (c) 2015-2017 Valve Corporation
-# Copyright (c) 2015-2017 LunarG, Inc.
-# Copyright (c) 2015-2017 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# Author: Cort Stratton <cort@google.com>
-# Author: Jean-Francois Roy <jfroy@google.com>
-
-import argparse
-import hashlib
-import subprocess
-
-def generate(symbol_name, commit_id, output_header_file):
-    # Write commit ID to output header file
-    with open(output_header_file, "w") as header_file:
-         # File Comment
-        file_comment = '// *** THIS FILE IS GENERATED - DO NOT EDIT ***\n'
-        file_comment += '// See external_revision_generator.py for modifications\n'
-        header_file.write(file_comment)
-        # Copyright Notice
-        copyright = ''
-        copyright += '\n'
-        copyright += '/***************************************************************************\n'
-        copyright += ' *\n'
-        copyright += ' * Copyright (c) 2015-2017 The Khronos Group Inc.\n'
-        copyright += ' * Copyright (c) 2015-2017 Valve Corporation\n'
-        copyright += ' * Copyright (c) 2015-2017 LunarG, Inc.\n'
-        copyright += ' * Copyright (c) 2015-2017 Google Inc.\n'
-        copyright += ' *\n'
-        copyright += ' * Licensed under the Apache License, Version 2.0 (the "License");\n'
-        copyright += ' * you may not use this file except in compliance with the License.\n'
-        copyright += ' * You may obtain a copy of the License at\n'
-        copyright += ' *\n'
-        copyright += ' *     http://www.apache.org/licenses/LICENSE-2.0\n'
-        copyright += ' *\n'
-        copyright += ' * Unless required by applicable law or agreed to in writing, software\n'
-        copyright += ' * distributed under the License is distributed on an "AS IS" BASIS,\n'
-        copyright += ' * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n'
-        copyright += ' * See the License for the specific language governing permissions and\n'
-        copyright += ' * limitations under the License.\n'
-        copyright += ' *\n'
-        copyright += ' * Author: Chris Forbes <chrisforbes@google.com>\n'
-        copyright += ' * Author: Cort Stratton <cort@google.com>\n'
-        copyright += ' *\n'
-        copyright += ' ****************************************************************************/\n'
-        header_file.write(copyright)
-        # Contents
-        contents = '#pragma once\n\n'
-        contents += '#define %s "%s"\n' % (symbol_name, commit_id)
-        header_file.write(contents)
-
-def get_commit_id_from_git(git_binary, source_dir):
-    return subprocess.check_output([git_binary, "rev-parse", "HEAD"], cwd=source_dir).decode('utf-8').strip()
-
-def is_sha1(str):
-    try: str_as_int = int(str, 16)
-    except ValueError: return False
-    return len(str) == 40
-
-def get_commit_id_from_file(rev_file):
-    with open(rev_file, 'r') as rev_stream:
-        rev_contents = rev_stream.read()
-        rev_contents_stripped = rev_contents.strip()
-        if is_sha1(rev_contents_stripped):
-            return rev_contents_stripped;
-        # otherwise, SHA1 the entire (unstripped) file contents
-        sha1 = hashlib.sha1();
-        sha1.update(rev_contents.encode('utf-8'))
-        return sha1.hexdigest()
-
-def main():
-    parser = argparse.ArgumentParser()
-    parser.add_argument("-s", "--symbol_name", metavar="SYMBOL_NAME", required=True, help="C symbol name")
-    parser.add_argument("-o", "--output_header_file", metavar="OUTPUT_HEADER_FILE", required=True, help="output header file path")
-    rev_method_group = parser.add_mutually_exclusive_group(required=True)
-    rev_method_group.add_argument("--git_dir", metavar="SOURCE_DIR", help="git working copy directory")
-    rev_method_group.add_argument("--rev_file", metavar="REVISION_FILE", help="source revision file path (must contain a SHA1 hash")
-    args = parser.parse_args()
-
-    # We can either parse the latest Git commit ID out of the specified repository (preferred where possible),
-    # or computing the SHA1 hash of the contents of a file passed on the command line and (where necessary --
-    # e.g. when building the layers outside of a Git environment).
-    if args.git_dir is not None:
-        # Extract commit ID from the specified source directory
-        try:
-            commit_id = get_commit_id_from_git('git', args.git_dir)
-        except WindowsError:
-            # Call git.bat on Windows for compatiblity.
-            commit_id = get_commit_id_from_git('git.bat', args.git_dir)
-    elif args.rev_file is not None:
-        # Read the commit ID from a file.
-        commit_id = get_commit_id_from_file(args.rev_file)
-
-    if not is_sha1(commit_id):
-        raise ValueError("commit ID for " + args.symbol_name + " must be a SHA1 hash.")
-
-    generate(args.symbol_name, commit_id, args.output_header_file)
-
-if __name__ == '__main__':
-    main()
diff --git a/update_external_sources.bat b/update_external_sources.bat
deleted file mode 100644
index 63718dd7..00000000
--- a/update_external_sources.bat
+++ /dev/null
@@ -1,399 +0,0 @@
-@echo off
-REM Update source for glslang
-
-REM Determine the appropriate CMake strings for the current version of Visual Studio
-echo Determining VS version
-python .\scripts\determine_vs_version.py > vsversion.tmp
-set /p VS_VERSION=< vsversion.tmp
-echo Detected Visual Studio Version as %VS_VERSION%
-
-REM Cleanup the file we used to collect the VS version output since it's no longer needed.
-del /Q /F vsversion.tmp
-
-setlocal EnableDelayedExpansion
-set errorCode=0
-set BUILD_DIR=%~dp0
-set BASE_DIR="%BUILD_DIR%external"
-set REVISION_DIR="%BUILD_DIR%external_revisions"
-set GLSLANG_DIR=%BASE_DIR%\glslang
-set do_32=0
-set do_64=0
-set do_debug=0
-set do_release=0
-
-git submodule update --init --recursive
-
-REM // ======== Parameter parsing ======== //
-
-   set arg-use-implicit-component-list=1
-   set arg-do-glslang=0
-   set arg-no-sync=0
-   set arg-no-build=0
-   set arg-32=0
-   set arg-64=0
-   set arg-debug=0
-   set arg-release=0
-
-   :parameterLoop
-
-      if "%1"=="" goto:parameterContinue
-
-      if "%1" == "--glslang" (
-         set arg-do-glslang=1
-         set arg-use-implicit-component-list=0
-         echo Building glslang ^(%1^)
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "-g" (
-         set arg-do-glslang=1
-         set arg-use-implicit-component-list=0
-         echo Building glslang ^(%1^)
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "--no-sync" (
-         set arg-no-sync=1
-         echo Skipping sync ^(%1^)
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "--no-build" (
-         set arg-no-build=1
-         echo Skipping build ^(%1^)
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "--32" (
-         set arg-32=1
-         echo 32-bit build requested
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "--64" (
-         set arg-64=1
-         echo 64-bit build requested
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "--debug" (
-         set arg-debug=1
-         echo debug build requested
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "--release" (
-         set arg-release=1
-         echo release build requested
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "--spirv-tools" (
-         echo --spirv-tools argument has been deprecated and is no longer necessary
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "-s" (
-         echo --s argument has been deprecated and is no longer necessary
-         shift
-         goto:parameterLoop
-      )
-
-      if "%1" == "--all" (
-         echo --all argument has been deprecated and is no longer necessary
-         set arg-do-glslang=1
-         set arg-use-implicit-component-list=0
-         echo Building glslang ^(%1^)
-         shift
-         goto:parameterLoop
-      )
-
-      echo.
-      echo Unrecognized option "%1"
-      echo.
-      echo usage: update_external_sources.bat [options]
-      echo.
-      echo   Available options:
-      echo     -g ^| --glslang      enable glslang component
-      echo     --all               enable all components
-      echo     --no-sync           skip sync from git
-      echo     --no-build          skip build
-      echo     --32                build for 32-bit
-      echo     --64                build for 64-bit
-      echo     --debug             build for debug
-      echo     --release           build for release
-      echo.
-      echo   If any component enables are provided, only those components are enabled.
-      echo   If no component enables are provided, all components are enabled.
-      echo.
-      echo   Sync uses git to pull a specific revision.
-      echo   Build configures CMake, builds Release and Debug.
-      echo.
-      echo   --32 without --64 builds only 32-bit, and vice-versa.
-      echo   --debug without --release builds only debug, and vice-versa.
-      echo   Specifying neither or both --32 and --64 builds both.
-      echo   Specifying neither or both --debug and --release builds both.
-      echo   So specifying none of these 4 options (default) builds all 4.
-
-
-      goto:error
-
-   :parameterContinue
-
-   if %arg-use-implicit-component-list% equ 1 (
-      echo Building glslang
-      set arg-do-glslang=1
-   )
-
-   set sync-glslang=0
-   set build-glslang=0
-   set check-glslang-build-dependencies=0
-
-   if %arg-do-glslang% equ 1 (
-      if %arg-no-sync% equ 0 (
-         set sync-glslang=1
-      )
-      if %arg-no-build% equ 0 (
-         set check-glslang-build-dependencies=1
-         set build-glslang=1
-      )
-   )
-
-   if %arg-32% equ 1 (
-       set do_32=1
-   )
-   if %arg-64% equ 1 (
-       set do_64=1
-   )
-   if %arg-32% equ 0 (
-      if %arg-64% equ 0 (
-          set do_32=1
-          set do_64=1
-      )
-   )
-
-   if %arg-debug% equ 1 (
-       set do_debug=1
-   )
-   if %arg-release% equ 1 (
-       set do_release=1
-   )
-   if %arg-debug% equ 0 (
-      if %arg-release% equ 0 (
-          set do_debug=1
-          set do_release=1
-      )
-   )
-
-   REM this is a debugging aid that can be enabled while debugging command-line parsing
-   if 0 equ 1 (
-      set arg
-      set sync-glslang
-      set build-glslang
-      set check-glslang-build-dependencies
-      goto:error
-   )
-
-REM // ======== end Parameter parsing ======== //
-
-
-REM // ======== Dependency checking ======== //
-   REM git is required for all paths
-   for %%X in (git.exe) do (set FOUND=%%~$PATH:X)
-   if not defined FOUND (
-      echo Dependency check failed:
-      echo   git.exe not found
-      echo   Git for Windows can be downloaded here:  https://git-scm.com/download/win
-      echo   Install and ensure git.exe makes it into your PATH
-      set errorCode=1
-   )
-
-   if %check-glslang-build-dependencies% equ 1 (
-      for %%X in (cmake.exe) do (set FOUND=%%~$PATH:X)
-      if not defined FOUND (
-         echo Dependency check failed:
-         echo   cmake.exe not found
-         echo   Get CMake for Windows here:  http://www.cmake.org/cmake/resources/software.html
-         echo   Install and ensure each makes it into your PATH, default is "C:\Program Files (x86)\CMake\bin"
-         set errorCode=1
-      )
-   )
-
-
-   REM goto:main
-
-REM // ======== end Dependency checking ======== //
-
-:main
-
-if %errorCode% neq 0 (goto:error)
-
-REM Read the target versions from external file, which is shared with Linux script
-
-if not exist %REVISION_DIR%\glslang_giturl (
-   echo.
-   echo Missing glslang_giturl file!  Place it in %REVISION_DIR% with git repo URL in it.
-   set errorCode=1
-   goto:error
-)
-
-if not exist %REVISION_DIR%\glslang_revision (
-   echo.
-   echo Missing glslang_revision file!  Place it in %REVISION_DIR% with target version in it.
-   set errorCode=1
-   goto:error
-)
-
-set /p GLSLANG_GITURL= < %REVISION_DIR%\glslang_giturl
-set /p GLSLANG_REVISION= < %REVISION_DIR%\glslang_revision
-
-echo GLSLANG_GITURL=%GLSLANG_GITURL%
-echo GLSLANG_REVISION=%GLSLANG_REVISION%
-
-
-echo Creating and/or updating glslang in %BASE_DIR%
-
-if %sync-glslang% equ 1 (
-   if not exist %GLSLANG_DIR% (
-      call:create_glslang
-   )
-   if %errorCode% neq 0 (goto:error)
-   call:update_glslang
-   if %errorCode% neq 0 (goto:error)
-)
-
-if %build-glslang% equ 1 (
-   call:build_glslang
-   if %errorCode% neq 0 (goto:error)
-)
-
-echo.
-echo Exiting
-goto:finish
-
-:error
-echo.
-echo Halting due to error
-set errorCode=1
-goto:finish
-
-:finish
-if not "%cd%\" == "%BUILD_DIR%" ( cd %BUILD_DIR% )
-exit /b %errorCode%
-
-
-REM // ======== Functions ======== //
-
-:create_glslang
-   echo.
-   echo Creating local glslang repository %GLSLANG_DIR%)
-   mkdir %GLSLANG_DIR%
-   cd %GLSLANG_DIR%
-   git clone %GLSLANG_GITURL% .
-   git checkout %GLSLANG_REVISION%
-   python.exe .\update_glslang_sources.py
-   if not exist %GLSLANG_DIR%\SPIRV (
-       echo glslang source download failed!
-       set errorCode=1
-   )
-goto:eof
-
-:update_glslang
-   echo.
-   echo Updating %GLSLANG_DIR%
-   cd %GLSLANG_DIR%
-   git fetch --all
-   git checkout %GLSLANG_REVISION%
-   python.exe .\update_glslang_sources.py
-goto:eof
-
-:build_glslang
-   echo.
-   echo Building %GLSLANG_DIR%
-   cd  %GLSLANG_DIR%
-
-   if not exist build32 (
-       mkdir build32
-   )
-   if not exist build (
-       mkdir build
-   )
-
-   set GLSLANG_BUILD_DIR=%GLSLANG_DIR%\build32
-   if %do_32% equ 1 (
-      echo Making 32-bit glslang
-      echo *************************
-      cd %GLSLANG_BUILD_DIR%
-
-      echo Generating 32-bit Glslang CMake files for Visual Studio %VS_VERSION% -DCMAKE_INSTALL_PREFIX=install ..
-      cmake -G "Visual Studio %VS_VERSION%" -DCMAKE_INSTALL_PREFIX=install ..
-
-      if %do_debug% equ 1 (
-         echo Building 32-bit Glslang: MSBuild INSTALL.vcxproj /p:Platform=x86 /p:Configuration=Debug
-         msbuild INSTALL.vcxproj /p:Platform=x86 /p:Configuration=Debug /verbosity:quiet
-
-         REM Check for existence of one lib, even though we should check for all results
-         if not exist %GLSLANG_BUILD_DIR%\glslang\Debug\glslangd.lib (
-            echo.
-            echo glslang 32-bit Debug build failed!
-            set errorCode=1
-         )
-      )
-      if %do_release% equ 1 (
-         echo Building Glslang: MSBuild INSTALL.vcxproj /p:Platform=x86 /p:Configuration=Release
-         msbuild INSTALL.vcxproj /p:Platform=x86 /p:Configuration=Release /verbosity:quiet
-
-         REM Check for existence of one lib, even though we should check for all results
-         if not exist %GLSLANG_BUILD_DIR%\glslang\Release\glslang.lib (
-            echo.
-            echo glslang 32-bit Release build failed!
-            set errorCode=1
-         )
-      )
-      cd ..
-   )
-
-   set GLSLANG_BUILD_DIR=%GLSLANG_DIR%\build
-   if %do_64% equ 1 (
-      echo Making 64-bit glslang
-      echo *************************
-      cd %GLSLANG_BUILD_DIR%
-
-      echo Generating 64-bit Glslang CMake files for Visual Studio %VS_VERSION% -DCMAKE_INSTALL_PREFIX=install ..
-      cmake -G "Visual Studio %VS_VERSION% Win64" -DCMAKE_INSTALL_PREFIX=install ..
-
-      if %do_debug% equ 1 (
-         echo Building 64-bit Glslang: MSBuild INSTALL.vcxproj /p:Platform=x64 /p:Configuration=Debug
-         msbuild INSTALL.vcxproj /p:Platform=x64 /p:Configuration=Debug /verbosity:quiet
-
-         REM Check for existence of one lib, even though we should check for all results
-         if not exist %GLSLANG_BUILD_DIR%\glslang\Debug\glslangd.lib (
-            echo.
-            echo glslang 64-bit Debug build failed!
-            set errorCode=1
-         )
-      )
-      if %do_release% equ 1 (
-         echo Building Glslang: MSBuild INSTALL.vcxproj /p:Platform=x64 /p:Configuration=Release
-         msbuild INSTALL.vcxproj /p:Platform=x64 /p:Configuration=Release /verbosity:quiet
-
-         REM Check for existence of one lib, even though we should check for all results
-         if not exist %GLSLANG_BUILD_DIR%\glslang\Release\glslang.lib (
-            echo.
-            echo glslang 64-bit Release build failed!
-            set errorCode=1
-         )
-      )
-      cd ..
-   )
-
-goto:eof
diff --git a/update_external_sources.sh b/update_external_sources.sh
deleted file mode 100755
index 333e94a0..00000000
--- a/update_external_sources.sh
+++ /dev/null
@@ -1,174 +0,0 @@
-#!/bin/bash
-# Update source for glslang
-
-set -e
-
-if [[ $(uname) == "Linux" || $(uname) =~ "CYGWIN" ]]; then
-    CURRENT_DIR="$(dirname "$(readlink -f ${BASH_SOURCE[0]})")"
-    CORE_COUNT=$(nproc || echo 4)
-elif [[ $(uname) == "Darwin" ]]; then
-    CURRENT_DIR="$(dirname "$(python -c 'import os,sys;print(os.path.realpath(sys.argv[1]))' ${BASH_SOURCE[0]})")"
-    CORE_COUNT=$(sysctl -n hw.ncpu || echo 4)
-fi
-echo CURRENT_DIR=$CURRENT_DIR
-echo CORE_COUNT=$CORE_COUNT
-
-REVISION_DIR="$CURRENT_DIR/external_revisions"
-
-git submodule update --init --recursive
-
-# Use tr -d to remove line endings
-GLSLANG_GITURL=$(cat "${REVISION_DIR}/glslang_giturl" | tr -d "\n\r")
-GLSLANG_REVISION=$(cat "${REVISION_DIR}/glslang_revision" | tr -d "\n\r")
-
-echo "GLSLANG_GITURL=${GLSLANG_GITURL}"
-echo "GLSLANG_REVISION=${GLSLANG_REVISION}"
-
-BUILDDIR=${CURRENT_DIR}
-BASEDIR="$BUILDDIR/external"
-
-function create_glslang () {
-   rm -rf "${BASEDIR}"/glslang
-   echo "Creating local glslang repository (${BASEDIR}/glslang)."
-   mkdir -p "${BASEDIR}"/glslang
-   cd "${BASEDIR}"/glslang
-   git clone ${GLSLANG_GITURL} .
-   git checkout ${GLSLANG_REVISION}
-   ./update_glslang_sources.py
-}
-
-function update_glslang () {
-   echo "Updating ${BASEDIR}/glslang"
-   cd "${BASEDIR}"/glslang
-   git fetch --all
-   git checkout --force ${GLSLANG_REVISION}
-   ./update_glslang_sources.py
-}
-
-function build_glslang () {
-   echo "Building ${BASEDIR}/glslang"
-   cd "${BASEDIR}"/glslang
-   mkdir -p build
-   cd build
-   cmake -D CMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install ..
-   make -j $CORE_COUNT
-   make install
-}
-
-function create_moltenvk () {
-   rm -rf "${BASEDIR}"/MoltenVK
-   echo "Creating local MoltenVK repository (${BASEDIR}/MoltenVK)."
-   mkdir -p "${BASEDIR}"/MoltenVK
-   cd "${BASEDIR}"/MoltenVK
-   git clone --recurse-submodules https://github.com/KhronosGroup/MoltenVK.git "${BASEDIR}"/MoltenVK
-}
-
-function update_moltenvk () {
-   echo "Updating ${BASEDIR}/MoltenVK"
-   cd "${BASEDIR}"/MoltenVK
-   git pull
-}
-
-function build_moltenvk () {
-   echo "Building ${BASEDIR}/MoltenVK"
-   cd "${BASEDIR}"/MoltenVK
-   ./fetchDependencies --v-lvl-root "${BUILDDIR}" --glslang-root "${BASEDIR}/glslang"
-   xcodebuild -project MoltenVKPackaging.xcodeproj \
-    GCC_PREPROCESSOR_DEFINITIONS='$GCC_PREPROCESSOR_DEFINITIONS MVK_LOGGING_ENABLED=0' \
-    -scheme "MoltenVK (Release)" build
-}
-
-INCLUDE_GLSLANG=false
-INCLUDE_MOLTENVK=false
-NO_SYNC=false
-NO_BUILD=false
-USE_IMPLICIT_COMPONENT_LIST=true
-
-# Parse options
-while [[ $# > 0 ]]
-do
-  option="$1"
-
-  case $option in
-      # options to specify build of glslang components
-      -g|--glslang)
-      INCLUDE_GLSLANG=true
-      USE_IMPLICIT_COMPONENT_LIST=false
-      echo "Building glslang ($option)"
-      ;;
-      # options to specify build of moltenvk components
-      -m|--moltenvk)
-      if [[ $(uname) == "Darwin" ]]; then
-        INCLUDE_MOLTENVK=true
-        USE_IMPLICIT_COMPONENT_LIST=false
-        echo "Building MoltenVK ($option)"
-      fi
-      ;;
-      # options to specify build of spirv-tools components
-      -s|--spirv-tools)
-      echo "($option) is deprecated and is no longer necessary"
-      ;;
-      # option to specify skipping sync from git
-      --no-sync)
-      NO_SYNC=true
-      echo "Skipping sync ($option)"
-      ;;
-      # option to specify skipping build
-      --no-build)
-      NO_BUILD=true
-      echo "Skipping build ($option)"
-      ;;
-      *)
-      echo "Unrecognized option: $option"
-      echo "Usage: update_external_sources.sh [options]"
-      echo "  Available options:"
-      echo "    -g | --glslang      # enable glslang component"
-      if [[ $(uname) == "Darwin" ]]; then
-        echo "    -m | --moltenvk     # enable moltenvk component"
-      fi
-      echo "    --no-sync           # skip sync from git"
-      echo "    --no-build          # skip build"
-      echo "  If any component enables are provided, only those components are enabled."
-      echo "  If no component enables are provided, all components are enabled."
-      echo "  Sync uses git to pull a specific revision."
-      echo "  Build configures CMake, builds Release."
-      exit 1
-      ;;
-  esac
-  shift
-done
-
-if [ ${USE_IMPLICIT_COMPONENT_LIST} == "true" ]; then
-  echo "Building glslang"
-  INCLUDE_GLSLANG=true
-  if [[ $(uname) == "Darwin" ]]; then
-    echo "Building MoltenVK"
-    INCLUDE_MOLTENVK=true
-  fi
-fi
-
-if [ ${INCLUDE_GLSLANG} == "true" ]; then
-  if [ ${NO_SYNC} == "false" ]; then
-    if [ ! -d "${BASEDIR}/glslang" -o ! -d "${BASEDIR}/glslang/.git" -o -d "${BASEDIR}/glslang/.svn" ]; then
-       create_glslang
-    fi
-    update_glslang
-  fi
-  if [ ${NO_BUILD} == "false" ]; then
-    build_glslang
-  fi
-fi
-
-if [ ${INCLUDE_MOLTENVK} == "true" ]; then
-  if [ ${NO_SYNC} == "false" ]; then
-    if [ ! -d "${BASEDIR}/MoltenVK" -o ! -d "${BASEDIR}/MoltenVK/.git" ]; then
-      create_moltenvk
-    fi
-    update_moltenvk
-  fi
-  if [ ${NO_BUILD} == "false" ]; then
-    echo "Building moltenvk"
-    build_moltenvk
-  fi
-fi
-