Add support for llvm-based sanitizers.
Adds initial support for Asan/Lsan/Msan/Tsan for unbundled builds.
This CL also introduced a build_all_configs.py script to ease
local debugging, allowing to build several build configs in one go
and makes some minor improvements to the unbundled build files.
Change-Id: I7c374ffc00c55907e0e8b291b2e7e6140697c290
diff --git a/build/linux_find_llvm.py b/build/linux_find_llvm.py
new file mode 100644
index 0000000..264a08d
--- /dev/null
+++ b/build/linux_find_llvm.py
@@ -0,0 +1,34 @@
+# Copyright (C) 2017 The Android Open Source Project
+#
+# 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.
+
+import os
+import subprocess
+import sys
+
+def main():
+ res = subprocess.check_output(['clang', '-print-search-dirs'])
+ for line in res.splitlines():
+ if not line.startswith('libraries:'):
+ continue
+ libs = line.split('=', 1)[1].split(':')
+ for lib in libs:
+ if '/clang/' not in lib or not os.path.isdir(lib + '/lib'):
+ continue
+ print os.path.abspath(lib)
+ return 0
+ print 'Could not find the LLVM lib dir'
+ return 1
+
+if __name__ == '__main__':
+ sys.exit(main())
