| #!/usr/bin/env python |
| # |
| # Copyright 2016 Google Inc. |
| # |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| |
| """Create a Clang toolchain for Linux hosts.""" |
| |
| |
| import argparse |
| import os |
| import subprocess |
| import tempfile |
| |
| REPO = "https://llvm.googlesource.com/" |
| BRANCH = "release_80" |
| |
| def create_asset(target_dir): |
| # CMake will sometimes barf if we pass it a relative path. |
| target_dir = os.path.abspath(target_dir) |
| |
| # Build Clang, lld, compiler-rt (sanitizer support) and libc++. |
| os.chdir(tempfile.mkdtemp()) |
| subprocess.check_call(["git", "clone", "--depth", "1", "-b", |
| BRANCH, REPO + "llvm"]) |
| os.chdir("llvm/tools") |
| subprocess.check_call(["git", "clone", "--depth", "1", "-b", |
| BRANCH, REPO + "clang"]) |
| subprocess.check_call(["git", "clone", "--depth", "1", "-b", |
| BRANCH, REPO + "lld"]) |
| os.chdir("clang/tools") |
| subprocess.check_call(["git", "clone", "--depth", "1", "-b", |
| BRANCH, REPO + "clang-tools-extra", "extra"]) |
| |
| os.chdir("../../../projects") |
| subprocess.check_call(["git", "clone", "--depth", "1", "-b", |
| BRANCH, REPO + "compiler-rt"]) |
| subprocess.check_call(["git", "clone", "--depth", "1", "-b", |
| BRANCH, REPO + "libcxx"]) |
| subprocess.check_call(["git", "clone", "--depth", "1", "-b", |
| BRANCH, REPO + "libcxxabi"]) |
| os.chdir("..") |
| os.mkdir("out") |
| os.chdir("out") |
| subprocess.check_call(["cmake", "..", "-G", "Ninja", |
| "-DCMAKE_BUILD_TYPE=MinSizeRel", |
| "-DCMAKE_INSTALL_PREFIX=" + target_dir, |
| "-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON", |
| "-DLLVM_ENABLE_TERMINFO=OFF"]) |
| subprocess.check_call(["ninja", "install"]) |
| |
| # Copy a couple extra files we need. |
| subprocess.check_call(["cp", "bin/llvm-symbolizer", target_dir + "/bin"]) |
| subprocess.check_call(["cp", "bin/llvm-profdata", target_dir + "/bin"]) |
| subprocess.check_call(["cp", "bin/llvm-cov", target_dir + "/bin"]) |
| libstdcpp = subprocess.check_output(["c++", |
| "-print-file-name=libstdc++.so.6"]) |
| subprocess.check_call(["cp", libstdcpp.strip(), target_dir + "/lib"]) |
| |
| # Finally, build libc++ for MSAN bots using the Clang we just built. |
| os.mkdir("../msan_out") |
| os.chdir("../msan_out") |
| subprocess.check_call(["cmake", "..", "-G", "Ninja", |
| "-DCMAKE_BUILD_TYPE=MinSizeRel", |
| "-DCMAKE_C_COMPILER=" + target_dir + "/bin/clang", |
| "-DCMAKE_CXX_COMPILER=" + target_dir + "/bin/clang++", |
| "-DLLVM_USE_SANITIZER=MemoryWithOrigins"]) |
| subprocess.check_call(["ninja", "cxx"]) |
| subprocess.check_call(["cp", "-r", "lib", target_dir + "/msan"]) |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument('--target_dir', '-t', required=True) |
| args = parser.parse_args() |
| create_asset(args.target_dir) |
| |
| |
| if __name__ == '__main__': |
| main() |
