clang: Stop implicitly passing -Wl,--build-id to the linker.

tools/clang/scripts/update.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """This script is used to download prebuilt clang binaries.
 
 It is also used by package.py to build the prebuilt clang binaries."""
 
 import argparse
@@ skipping 629 matching lines @@
   chrome_tools = list(set(['plugins', 'blink_gc_plugin'] + args.extra_tools))
   cmake_args += base_cmake_args + [
       '-DLLVM_ENABLE_THREADS=OFF',
       '-DLLVM_BINUTILS_INCDIR=' + binutils_incdir,
       '-DCMAKE_C_FLAGS=' + ' '.join(cflags),
       '-DCMAKE_CXX_FLAGS=' + ' '.join(cxxflags),
       '-DCMAKE_EXE_LINKER_FLAGS=' + ' '.join(ldflags),
       '-DCMAKE_SHARED_LINKER_FLAGS=' + ' '.join(ldflags),
       '-DCMAKE_MODULE_LINKER_FLAGS=' + ' '.join(ldflags),
       '-DCMAKE_INSTALL_PREFIX=' + LLVM_BUILD_DIR,
-      # TODO(thakis): Remove this once official builds pass -Wl,--build-id
-      # explicitly, https://crbug.com/622775
-      '-DENABLE_LINKER_BUILD_ID=ON',
       '-DCHROMIUM_TOOLS_SRC=%s' % os.path.join(CHROMIUM_DIR, 'tools', 'clang'),
       '-DCHROMIUM_TOOLS=%s' % ';'.join(chrome_tools)]
 
   EnsureDirExists(LLVM_BUILD_DIR)
   os.chdir(LLVM_BUILD_DIR)
   RmCmakeCache('.')
   RunCommand(['cmake'] + cmake_args + [LLVM_DIR],
              msvc_arch='x64', env=deployment_env)
 
   if args.gcc_toolchain:
@@ skipping 248 matching lines @@
     args.force_local_build = True
     if 'OS=android' not in os.environ.get('GYP_DEFINES', ''):
       # Only build the Android ASan rt on ToT bots when targetting Android.
       args.with_android = False
 
   return UpdateClang(args)
 
 
 if __name__ == '__main__':
   sys.exit(main())