mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 16:46:26 +00:00
29ec9b1378
We need to rebuild clang with libc++ to get compatible headers for cross builds. libc++abi is a dependency of libc++, as the build instructions says [0]. [0] http://libcxx.llvm.org/docs/BuildingLibcxx.html
401 lines
13 KiB
Python
Executable File
401 lines
13 KiB
Python
Executable File
#!/usr/bin/python2.7
|
|
# 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 json
|
|
import argparse
|
|
import tempfile
|
|
import glob
|
|
import errno
|
|
from contextlib import contextmanager
|
|
import sys
|
|
|
|
DEBUG = os.getenv("DEBUG")
|
|
|
|
|
|
def symlink(source, link_name):
|
|
os_symlink = getattr(os, "symlink", None)
|
|
if callable(os_symlink):
|
|
os_symlink(source, link_name)
|
|
else:
|
|
if os.path.isdir(source):
|
|
# Fall back to copying the directory :(
|
|
copy_dir_contents(source, link_name)
|
|
|
|
|
|
def check_run(args):
|
|
global DEBUG
|
|
if DEBUG:
|
|
print >> sys.stderr, ' '.join(args)
|
|
r = subprocess.call(args)
|
|
assert r == 0
|
|
|
|
|
|
def run_in(path, args):
|
|
d = os.getcwd()
|
|
global DEBUG
|
|
if DEBUG:
|
|
print >> sys.stderr, 'cd "%s"' % path
|
|
os.chdir(path)
|
|
check_run(args)
|
|
if DEBUG:
|
|
print >> sys.stderr, 'cd "%s"' % d
|
|
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_build_dir, run_cmake, cmake_args):
|
|
if not os.path.exists(package_build_dir):
|
|
os.mkdir(package_build_dir)
|
|
if run_cmake:
|
|
run_in(package_build_dir, ["cmake"] + cmake_args)
|
|
run_in(package_build_dir, ["ninja", "install"])
|
|
|
|
|
|
@contextmanager
|
|
def updated_env(env):
|
|
old_env = os.environ.copy()
|
|
os.environ.update(env)
|
|
yield
|
|
os.environ.clear()
|
|
os.environ.update(old_env)
|
|
|
|
|
|
def build_tar_package(tar, name, base, directory):
|
|
name = os.path.realpath(name)
|
|
# On Windows, we have to convert this into an msys path so that tar can
|
|
# understand it.
|
|
if is_windows():
|
|
name = name.replace('\\', '/').replace('c:', '/c')
|
|
run_in(base, [tar,
|
|
"-c",
|
|
"-%s" % ("J" if ".xz" in name else "j"),
|
|
"-f",
|
|
name, directory])
|
|
|
|
|
|
def copy_dir_contents(src, dest):
|
|
for f in glob.glob("%s/*" % src):
|
|
try:
|
|
destname = "%s/%s" % (dest, os.path.basename(f))
|
|
if os.path.isdir(f):
|
|
shutil.copytree(f, destname)
|
|
else:
|
|
shutil.copy2(f, destname)
|
|
except OSError as e:
|
|
if e.errno == errno.ENOTDIR:
|
|
shutil.copy2(f, destname)
|
|
elif e.errno == errno.EEXIST:
|
|
if os.path.isdir(f):
|
|
copy_dir_contents(f, destname)
|
|
else:
|
|
os.remove(destname)
|
|
shutil.copy2(f, destname)
|
|
else:
|
|
raise Exception('Directory not copied. Error: %s' % e)
|
|
|
|
|
|
def mkdir_p(path):
|
|
try:
|
|
os.makedirs(path)
|
|
except OSError as e:
|
|
if e.errno != errno.EEXIST or not os.path.isdir(path):
|
|
raise
|
|
|
|
|
|
def install_libgcc(gcc_dir, clang_dir):
|
|
out = subprocess.check_output([os.path.join(gcc_dir, "bin", "gcc"),
|
|
'-print-libgcc-file-name'])
|
|
|
|
libgcc_dir = os.path.dirname(out.rstrip())
|
|
clang_lib_dir = os.path.join(clang_dir, "lib", "gcc",
|
|
"x86_64-unknown-linux-gnu",
|
|
os.path.basename(libgcc_dir))
|
|
mkdir_p(clang_lib_dir)
|
|
copy_dir_contents(libgcc_dir, clang_lib_dir)
|
|
libgcc_dir = os.path.join(gcc_dir, "lib64")
|
|
clang_lib_dir = os.path.join(clang_dir, "lib")
|
|
copy_dir_contents(libgcc_dir, clang_lib_dir)
|
|
include_dir = os.path.join(gcc_dir, "include")
|
|
clang_include_dir = os.path.join(clang_dir, "include")
|
|
copy_dir_contents(include_dir, clang_include_dir)
|
|
|
|
|
|
def svn_co(source_dir, url, directory, revision):
|
|
run_in(source_dir, ["svn", "co", "-r", revision, url, directory])
|
|
|
|
|
|
def svn_update(directory, revision):
|
|
run_in(directory, ["svn", "update", "-r", revision])
|
|
|
|
|
|
def get_platform():
|
|
p = platform.system()
|
|
if p == "Darwin":
|
|
return "macosx64"
|
|
elif p == "Linux":
|
|
if platform.architecture() == "AMD64":
|
|
return "linux64"
|
|
else:
|
|
return "linux32"
|
|
elif p == "Windows":
|
|
if platform.architecture() == "AMD64":
|
|
return "win64"
|
|
else:
|
|
return "win32"
|
|
else:
|
|
raise NotImplementedError("Not supported platform")
|
|
|
|
|
|
def is_darwin():
|
|
return platform.system() == "Darwin"
|
|
|
|
|
|
def is_linux():
|
|
return platform.system() == "Linux"
|
|
|
|
|
|
def is_windows():
|
|
return platform.system() == "Windows"
|
|
|
|
|
|
def build_one_stage(cc, cxx, src_dir, stage_dir, build_libcxx,
|
|
build_type, assertions, python_path, gcc_dir):
|
|
if not os.path.exists(stage_dir):
|
|
os.mkdir(stage_dir)
|
|
|
|
build_dir = stage_dir + "/build"
|
|
inst_dir = stage_dir + "/clang"
|
|
|
|
run_cmake = True
|
|
if os.path.exists(build_dir + "/build.ninja"):
|
|
run_cmake = False
|
|
|
|
cmake_args = ["-GNinja",
|
|
"-DCMAKE_C_COMPILER=%s" % cc[0],
|
|
"-DCMAKE_CXX_COMPILER=%s" % cxx[0],
|
|
"-DCMAKE_C_FLAGS=%s" % ' '.join(cc[1:]),
|
|
"-DCMAKE_CXX_FLAGS=%s" % ' '.join(cxx[1:]),
|
|
"-DCMAKE_BUILD_TYPE=%s" % build_type,
|
|
"-DLLVM_TARGETS_TO_BUILD=X86;ARM",
|
|
"-DLLVM_ENABLE_ASSERTIONS=%s" % ("ON" if assertions else "OFF"),
|
|
"-DPYTHON_EXECUTABLE=%s" % python_path,
|
|
"-DCMAKE_INSTALL_PREFIX=%s" % inst_dir,
|
|
"-DLLVM_TOOL_LIBCXX_BUILD=%s" % ("ON" if build_libcxx else "OFF"),
|
|
"-DLIBCXX_LIBCPPABI_VERSION=\"\"",
|
|
src_dir];
|
|
build_package(build_dir, run_cmake, cmake_args)
|
|
|
|
if is_linux():
|
|
install_libgcc(gcc_dir, inst_dir)
|
|
|
|
|
|
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"
|
|
if is_windows():
|
|
base_dir = "c:%s" % base_dir
|
|
|
|
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"
|
|
libcxx_source_dir = source_dir + "/libcxx"
|
|
libcxxabi_source_dir = source_dir + "/libcxxabi"
|
|
|
|
if is_darwin():
|
|
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.7'
|
|
|
|
exe_ext = ""
|
|
if is_windows():
|
|
exe_ext = ".exe"
|
|
|
|
cc_name = "clang"
|
|
cxx_name = "clang++"
|
|
if is_windows():
|
|
cc_name = "clang-cl"
|
|
cxx_name = "clang-cl"
|
|
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument('-c', '--config', required=True,
|
|
type=argparse.FileType('r'),
|
|
help="Clang configuration file")
|
|
parser.add_argument('--clean', required=False,
|
|
action='store_true',
|
|
help="Clean the build directory")
|
|
|
|
args = parser.parse_args()
|
|
config = json.load(args.config)
|
|
|
|
if args.clean:
|
|
shutil.rmtree(build_dir)
|
|
os.sys.exit(0)
|
|
|
|
llvm_revision = config["llvm_revision"]
|
|
llvm_repo = config["llvm_repo"]
|
|
clang_repo = config["clang_repo"]
|
|
compiler_repo = config["compiler_repo"]
|
|
libcxx_repo = config["libcxx_repo"]
|
|
libcxxabi_repo = config.get("libcxxabi_repo")
|
|
stages = 3
|
|
if "stages" in config:
|
|
stages = int(config["stages"])
|
|
if stages not in (1, 2, 3):
|
|
raise ValueError("We only know how to build 1, 2, or 3 stages")
|
|
build_type = "Release"
|
|
if "build_type" in config:
|
|
build_type = config["build_type"]
|
|
if build_type not in ("Release", "Debug", "RelWithDebInfo", "MinSizeRel"):
|
|
raise ValueError("We only know how to do Release, Debug, RelWithDebInfo or MinSizeRel builds")
|
|
build_libcxx = False
|
|
if "build_libcxx" in config:
|
|
build_libcxx = config["build_libcxx"]
|
|
if build_libcxx not in (True, False):
|
|
raise ValueError("Only boolean values are accepted for build_libcxx.")
|
|
assertions = False
|
|
if "assertions" in config:
|
|
assertions = config["assertions"]
|
|
if assertions not in (True, False):
|
|
raise ValueError("Only boolean values are accepted for assertions.")
|
|
python_path = None
|
|
if "python_path" not in config:
|
|
raise ValueError("Config file needs to set python_path")
|
|
python_path = config["python_path"]
|
|
gcc_dir = None
|
|
if "gcc_dir" in config:
|
|
gcc_dir = config["gcc_dir"]
|
|
if not os.path.exists(gcc_dir):
|
|
raise ValueError("gcc_dir must point to an existing path")
|
|
if is_linux() and gcc_dir is None:
|
|
raise ValueError("Config file needs to set gcc_dir")
|
|
cc = None
|
|
if "cc" in config:
|
|
cc = config["cc"]
|
|
if not os.path.exists(cc):
|
|
raise ValueError("cc must point to an existing path")
|
|
else:
|
|
raise ValueError("Config file needs to set cc")
|
|
cxx = None
|
|
if "cxx" in config:
|
|
cxx = config["cxx"]
|
|
if not os.path.exists(cxx):
|
|
raise ValueError("cxx must point to an existing path")
|
|
else:
|
|
raise ValueError("Config file needs to set cxx")
|
|
|
|
if not os.path.exists(source_dir):
|
|
os.makedirs(source_dir)
|
|
svn_co(source_dir, llvm_repo, llvm_source_dir, llvm_revision)
|
|
svn_co(source_dir, clang_repo, clang_source_dir, llvm_revision)
|
|
svn_co(source_dir, compiler_repo, compiler_rt_source_dir, llvm_revision)
|
|
svn_co(source_dir, libcxx_repo, libcxx_source_dir, llvm_revision)
|
|
if libcxxabi_repo:
|
|
svn_co(source_dir, libcxxabi_repo, libcxxabi_source_dir, llvm_revision)
|
|
for p in config.get("patches", {}).get(get_platform(), []):
|
|
patch(p, source_dir)
|
|
else:
|
|
svn_update(llvm_source_dir, llvm_revision)
|
|
svn_update(clang_source_dir, llvm_revision)
|
|
svn_update(compiler_rt_source_dir, llvm_revision)
|
|
svn_update(libcxx_source_dir, llvm_revision)
|
|
if libcxxabi_repo:
|
|
svn_update(libcxxabi_source_dir, llvm_revision)
|
|
|
|
symlinks = [(source_dir + "/clang",
|
|
llvm_source_dir + "/tools/clang"),
|
|
(source_dir + "/compiler-rt",
|
|
llvm_source_dir + "/projects/compiler-rt"),
|
|
(source_dir + "/libcxx",
|
|
llvm_source_dir + "/projects/libcxx"),
|
|
(source_dir + "/libcxxabi",
|
|
llvm_source_dir + "/projects/libcxxabi")]
|
|
for l in symlinks:
|
|
# On Windows, we have to re-copy the whole directory every time.
|
|
if not is_windows() and os.path.islink(l[1]):
|
|
continue
|
|
if os.path.isdir(l[1]):
|
|
shutil.rmtree(l[1])
|
|
elif os.path.exists(l[1]):
|
|
os.unlink(l[1])
|
|
if os.path.exists(l[0]):
|
|
symlink(l[0], l[1])
|
|
|
|
if not os.path.exists(build_dir):
|
|
os.makedirs(build_dir)
|
|
|
|
stage1_dir = build_dir + '/stage1'
|
|
stage1_inst_dir = stage1_dir + '/clang'
|
|
|
|
final_stage_dir = stage1_dir
|
|
|
|
if is_darwin():
|
|
extra_cflags = []
|
|
extra_cxxflags = ["-stdlib=libc++"]
|
|
extra_cflags2 = []
|
|
extra_cxxflags2 = ["-stdlib=libc++"]
|
|
elif is_linux():
|
|
extra_cflags = ["-static-libgcc"]
|
|
extra_cxxflags = ["-static-libgcc", "-static-libstdc++"]
|
|
extra_cflags2 = ["-fPIC"]
|
|
extra_cxxflags2 = ["-fPIC", "-static-libstdc++"]
|
|
|
|
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
|
|
elif is_windows():
|
|
extra_cflags = []
|
|
extra_cxxflags = []
|
|
extra_cflags2 = []
|
|
extra_cxxflags2 = []
|
|
|
|
build_one_stage(
|
|
[cc] + extra_cflags,
|
|
[cxx] + extra_cxxflags,
|
|
llvm_source_dir, stage1_dir, build_libcxx,
|
|
build_type, assertions, python_path, gcc_dir)
|
|
|
|
if stages > 1:
|
|
stage2_dir = build_dir + '/stage2'
|
|
stage2_inst_dir = stage2_dir + '/clang'
|
|
final_stage_dir = stage2_dir
|
|
build_one_stage(
|
|
[stage1_inst_dir + "/bin/%s%s" %
|
|
(cc_name, exe_ext)] + extra_cflags2,
|
|
[stage1_inst_dir + "/bin/%s%s" %
|
|
(cxx_name, exe_ext)] + extra_cxxflags2,
|
|
llvm_source_dir, stage2_dir, build_libcxx,
|
|
build_type, assertions, python_path, gcc_dir)
|
|
|
|
if stages > 2:
|
|
stage3_dir = build_dir + '/stage3'
|
|
final_stage_dir = stage3_dir
|
|
build_one_stage(
|
|
[stage2_inst_dir + "/bin/%s%s" %
|
|
(cc_name, exe_ext)] + extra_cflags2,
|
|
[stage2_inst_dir + "/bin/%s%s" %
|
|
(cxx_name, exe_ext)] + extra_cxxflags2,
|
|
llvm_source_dir, stage3_dir, build_libcxx,
|
|
build_type, assertions, python_path, gcc_dir)
|
|
|
|
if is_darwin() or is_windows():
|
|
build_tar_package("tar", "clang.tar.bz2", final_stage_dir, "clang")
|
|
else:
|
|
build_tar_package("tar", "clang.tar.xz", final_stage_dir, "clang")
|