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#!/usr/bin/python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import os
import os.path
import shutil
import subprocess
import platform
import sys
import json
import collections
import argparse
def check_run(args):
r = subprocess.call(args)
assert r == 0
def run_in(path, args):
d = os.getcwd()
os.chdir(path)
check_run(args)
os.chdir(d)
def patch(patch, srcdir):
patch = os.path.realpath(patch)
check_run(['patch', '-d', srcdir, '-p1', '-i', patch, '--fuzz=0',
'-s'])
def build_package(package_source_dir, package_build_dir, configure_args,
make_args):
if not os.path.exists(package_build_dir):
os.mkdir(package_build_dir)
run_in(package_build_dir,
["%s/configure" % package_source_dir] + configure_args)
run_in(package_build_dir, ["make", "-j4"] + make_args)
run_in(package_build_dir, ["make", "install"])
def with_env(env, f):
old_env = os.environ.copy()
os.environ.update(env)
f()
os.environ.clear()
os.environ.update(old_env)
def build_tar_package(tar, name, base, directory):
name = os.path.realpath(name)
run_in(base, [tar, "-cjf", name, directory])
def svn_co(url, directory, revision):
check_run(["svn", "co", "-r", revision, url, directory])
def build_one_stage(env, stage_dir, llvm_source_dir, gcc_toolchain_dir):
def f():
build_one_stage_aux(stage_dir, llvm_source_dir, gcc_toolchain_dir)
with_env(env, f)
def build_tooltool_manifest(llvm_revision):
basedir = os.path.split(os.path.realpath(sys.argv[0]))[0]
tooltool = basedir + '/tooltool.py'
setup = basedir + '/setup.sh'
manifest = 'clang.manifest'
check_run(['python', tooltool, '-m', manifest, 'add',
setup, 'clang.tar.bz2'])
data = json.load(file(manifest), object_pairs_hook=collections.OrderedDict)
data = [{'clang_version': 'r%s' % llvm_revision}] + data
out = file(manifest, 'w')
json.dump(data, out, indent=0)
out.write('\n')
assert data[2]['filename'] == 'clang.tar.bz2'
os.rename('clang.tar.bz2', data[2]['digest'])
def get_platform():
p = platform.system()
if p == "Darwin":
return "macosx64"
elif p == "Linux":
if platform.processor() == "x86_64":
return "linux64"
else:
return "linux32"
else:
raise NotImplementedError("Not supported platform")
def is_darwin():
return platform.system() == "Darwin"
def build_one_stage_aux(stage_dir, llvm_source_dir, gcc_toolchain_dir):
os.mkdir(stage_dir)
build_dir = stage_dir + "/build"
inst_dir = stage_dir + "/clang"
targets = ["x86", "x86_64"]
# The Darwin equivalents of binutils appear to have intermittent problems
# with objects in compiler-rt that are compiled for arm. Since the arm
# support is only necessary for iOS (which we don't support), only enable
# arm support on Linux.
if not is_darwin():
targets.append("arm")
configure_opts = ["--enable-optimized",
"--enable-targets=" + ",".join(targets),
"--disable-assertions",
"--prefix=%s" % inst_dir,
"--with-gcc-toolchain=%s" % gcc_toolchain_dir,
"--disable-compiler-version-checks"]
build_package(llvm_source_dir, build_dir, configure_opts, [])
if __name__ == "__main__":
# The directories end up in the debug info, so the easy way of getting
# a reproducible build is to run it in a know absolute directory.
# We use a directory in /builds/slave because the mozilla infrastructure
# cleans it up automatically.
base_dir = "/builds/slave/moz-toolchain"
source_dir = base_dir + "/src"
build_dir = base_dir + "/build"
llvm_source_dir = source_dir + "/llvm"
clang_source_dir = source_dir + "/clang"
compiler_rt_source_dir = source_dir + "/compiler-rt"
gcc_dir = "/tools/gcc-4.7.3-0moz1"
if is_darwin():
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.7'
parser = argparse.ArgumentParser()
parser.add_argument('-c', '--config', required=True,
type=argparse.FileType('r'),
help="Clang configuration file")
args = parser.parse_args()
config = json.load(args.config)
llvm_revision = config["llvm_revision"]
llvm_repo = config["llvm_repo"]
clang_repo = config["clang_repo"]
compiler_repo = config["compiler_repo"]
if not os.path.exists(source_dir):
os.makedirs(source_dir)
svn_co(llvm_repo, llvm_source_dir, llvm_revision)
svn_co(clang_repo, clang_source_dir, llvm_revision)
svn_co(compiler_repo, compiler_rt_source_dir, llvm_revision)
os.symlink("../../clang", llvm_source_dir + "/tools/clang")
os.symlink("../../compiler-rt",
llvm_source_dir + "/projects/compiler-rt")
for p in config.get("patches", {}).get(get_platform(), []):
patch(p, source_dir)
if os.path.exists(build_dir):
shutil.rmtree(build_dir)
os.makedirs(build_dir)
stage1_dir = build_dir + '/stage1'
stage1_inst_dir = stage1_dir + '/clang'
if is_darwin():
extra_cflags = ""
extra_cxxflags = ""
cc = "/usr/bin/clang"
cxx = "/usr/bin/clang++"
else:
extra_cflags = "-static-libgcc"
extra_cxxflags = "-static-libgcc -static-libstdc++"
cc = gcc_dir + "/bin/gcc"
cxx = gcc_dir + "/bin/g++"
if os.environ.has_key('LD_LIBRARY_PATH'):
os.environ['LD_LIBRARY_PATH'] = '%s/lib64/:%s' % (gcc_dir, os.environ['LD_LIBRARY_PATH']);
else:
os.environ['LD_LIBRARY_PATH'] = '%s/lib64/' % gcc_dir
build_one_stage({"CC": cc, "CXX": cxx}, stage1_dir, llvm_source_dir, gcc_dir)
stage2_dir = build_dir + '/stage2'
build_one_stage(
{"CC": stage1_inst_dir + "/bin/clang %s" % extra_cflags,
"CXX": stage1_inst_dir + "/bin/clang++ %s" % extra_cxxflags},
stage2_dir, llvm_source_dir, gcc_dir)
build_tar_package("tar", "clang.tar.bz2", stage2_dir, "clang")
build_tooltool_manifest(llvm_revision)
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