def AddGnuWinToPath():
"""Download some GNU win tools and add them to PATH."""
if sys.platform != 'win32':
return
gnuwin_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, 'gnuwin')
GNUWIN_VERSION = '12'
GNUWIN_STAMP = os.path.join(gnuwin_dir, 'stamp')
if ReadStampFile(GNUWIN_STAMP) == GNUWIN_VERSION:
print('GNU Win tools already up to date.')
else:
zip_name = 'gnuwin-%s.zip' % GNUWIN_VERSION
DownloadAndUnpack(CDS_URL + '/tools/' + zip_name, LLVM_BUILD_TOOLS_DIR)
WriteStampFile(GNUWIN_VERSION, GNUWIN_STAMP)
os.environ['PATH'] = gnuwin_dir + os.pathsep + os.environ.get('PATH', '')
# find.exe, mv.exe and rm.exe are from MSYS (see crrev.com/389632). MSYS uses
# Cygwin under the hood, and initializing Cygwin has a race-condition when
# getting group and user data from the Active Directory is slow. To work
# around this, use a horrible hack telling it not to do that.
# See https://crbug.com/905289
etc = os.path.join(gnuwin_dir, '..', '..', 'etc')
EnsureDirExists(etc)
with open(os.path.join(etc, 'nsswitch.conf'), 'w') as f:
f.write('passwd: files\n')
f.write('group: files\n')
def AddZlibToPath():
"""Download and build zlib, and add to PATH."""
zlib_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, 'zlib-1.2.11')
if os.path.exists(zlib_dir):
RmTree(zlib_dir)
zip_name = 'zlib-1.2.11.tar.gz'
DownloadAndUnpack(CDS_URL + '/tools/' + zip_name, LLVM_BUILD_TOOLS_DIR)
os.chdir(zlib_dir)
zlib_files = [
'adler32', 'compress', 'crc32', 'deflate', 'gzclose', 'gzlib', 'gzread',
'gzwrite', 'inflate', 'infback', 'inftrees', 'inffast', 'trees',
'uncompr', 'zutil'
]
cl_flags = [
'/nologo', '/O2', '/DZLIB_DLL', '/c', '/D_CRT_SECURE_NO_DEPRECATE',
'/D_CRT_NONSTDC_NO_DEPRECATE'
]
RunCommand(
['cl.exe'] + [f + '.c' for f in zlib_files] + cl_flags, msvc_arch='x64')
RunCommand(
['lib.exe'] + [f + '.obj'
for f in zlib_files] + ['/nologo', '/out:zlib.lib'],
msvc_arch='x64')
# Remove the test directory so it isn't found when trying to find
# test.exe.
shutil.rmtree('test')
os.environ['PATH'] = zlib_dir + os.pathsep + os.environ.get('PATH', '')
return zlib_dir
def AddCMakeToPath(args):
"""Download CMake and add it to PATH."""
if args.use_system_cmake:
return
if sys.platform == 'win32':
zip_name = 'cmake-3.17.1-win64-x64.zip'
dir_name = ['cmake-3.17.1-win64-x64', 'bin']
elif sys.platform == 'darwin':
if platform.machine() == 'arm64':
# TODO(thakis): Move to 3.20 everywhere.
zip_name = 'cmake-3.20.0-macos-universal.tar.gz'
dir_name = [
'cmake-3.20.0-macos-universal', 'CMake.app', 'Contents', 'bin'
]
else:
zip_name = 'cmake-3.17.1-Darwin-x86_64.tar.gz'
dir_name = ['cmake-3.17.1-Darwin-x86_64', 'CMake.app', 'Contents', 'bin']
else:
zip_name = 'cmake-3.17.1-Linux-x86_64.tar.gz'
dir_name = ['cmake-3.17.1-Linux-x86_64', 'bin']
cmake_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, *dir_name)
if not os.path.exists(cmake_dir):
DownloadAndUnpack(CDS_URL + '/tools/' + zip_name, LLVM_BUILD_TOOLS_DIR)
os.environ['PATH'] = cmake_dir + os.pathsep + os.environ.get('PATH', '')
def MaybeDownloadHostGcc(args):
"""Download a modern GCC host compiler on Linux."""
if not sys.platform.startswith('linux') or args.gcc_toolchain:
return
gcc_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, 'gcc530trusty')
if not os.path.exists(gcc_dir):
DownloadAndUnpack(CDS_URL + '/tools/gcc530trusty.tgz', gcc_dir)
args.gcc_toolchain = gcc_dir
def AddSvnToPathOnWin():
"""Download svn.exe and add it to PATH."""
if sys.platform != 'win32':
return
svn_ver = 'svn-1.6.6-win'
svn_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, svn_ver)
if not os.path.exists(svn_dir):
DownloadAndUnpack(CDS_URL + '/tools/%s.zip' % svn_ver,
LLVM_BUILD_TOOLS_DIR)
os.environ['PATH'] = svn_dir + os.pathsep + os.environ.get('PATH', '')
def AddCMakeToPath(args):
"""Download CMake and add it to PATH."""
if args.use_system_cmake:
return
if sys.platform == 'win32':
zip_name = 'cmake-3.12.1-win32-x86.zip'
dir_name = ['cmake-3.12.1-win32-x86', 'bin']
elif sys.platform == 'darwin':
zip_name = 'cmake-3.12.1-Darwin-x86_64.tar.gz'
dir_name = ['cmake-3.12.1-Darwin-x86_64', 'CMake.app', 'Contents', 'bin']
else:
zip_name = 'cmake-3.12.1-Linux-x86_64.tar.gz'
dir_name = ['cmake-3.12.1-Linux-x86_64', 'bin']
cmake_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, *dir_name)
if not os.path.exists(cmake_dir):
DownloadAndUnpack(CDS_URL + '/tools/' + zip_name, LLVM_BUILD_TOOLS_DIR)
os.environ['PATH'] = cmake_dir + os.pathsep + os.environ.get('PATH', '')
def DownloadRPMalloc():
"""Download rpmalloc."""
rpmalloc_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, 'rpmalloc')
if os.path.exists(rpmalloc_dir):
RmTree(rpmalloc_dir)
# Using rpmalloc bc1923f rather than the latest release (1.4.1) because
# it contains the fix for https://github.com/mjansson/rpmalloc/pull/186
# which would cause lld to deadlock.
# The zip file was created and uploaded as follows:
# $ mkdir rpmalloc
# $ curl -L https://github.com/mjansson/rpmalloc/archive/bc1923f436539327707b08ef9751a7a87bdd9d2f.tar.gz \
# | tar -C rpmalloc --strip-components=1 -xzf -
# $ GZIP=-9 tar vzcf rpmalloc-bc1923f.tgz rpmalloc
# $ gsutil.py cp -n -a public-read rpmalloc-bc1923f.tgz \
# gs://chromium-browser-clang/tools/
zip_name = 'rpmalloc-bc1923f.tgz'
DownloadAndUnpack(CDS_URL + '/tools/' + zip_name, LLVM_BUILD_TOOLS_DIR)
rpmalloc_dir = rpmalloc_dir.replace('\\', '/')
return rpmalloc_dir