Merge pull request #20174 from zraexy/qtwebengine

qt56.qtwebengine: chromium clang update.py patch
This commit is contained in:
Thomas Tuegel 2016-11-05 10:12:14 -05:00 committed by GitHub
commit eea7af1f05
3 changed files with 878 additions and 1 deletions

View File

@ -94,7 +94,7 @@ let
qttranslations = callPackage ./qttranslations.nix {};
qtwayland = callPackage ./qtwayland.nix {};
qtwebchannel = callPackage ./qtwebchannel.nix {};
qtwebengine = callPackage ./qtwebengine.nix {};
qtwebengine = callPackage ./qtwebengine {};
qtwebkit = callPackage ./qtwebkit {};
qtwebsockets = callPackage ./qtwebsockets.nix {};
/* qtwinextras = not packaged */

View File

@ -0,0 +1,874 @@
--- a/src/3rdparty/chromium/tools/clang/scripts/update.py 2016-05-26 04:58:54.000000000 -0800
+++ b/src/3rdparty/chromium/tools/clang/scripts/update.py 2016-11-04 08:35:34.956154012 -0800
@@ -3,12 +3,12 @@
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
-"""Windows can't run .sh files, so this is a Python implementation of
-update.sh. This script should replace update.sh on all platforms eventually."""
+"""This script is used to download prebuilt clang binaries.
+
+It is also used by package.py to build the prebuilt clang binaries."""
import argparse
-import contextlib
-import cStringIO
+import distutils.spawn
import glob
import os
import pipes
@@ -18,6 +18,7 @@
import stat
import sys
import tarfile
+import tempfile
import time
import urllib2
import zipfile
@@ -25,19 +26,16 @@
# Do NOT CHANGE this if you don't know what you're doing -- see
# https://code.google.com/p/chromium/wiki/UpdatingClang
# Reverting problematic clang rolls is safe, though.
-# Note: this revision is only used for Windows. Other platforms use update.sh.
-# TODO(thakis): Use the same revision on Windows and non-Windows.
-# TODO(thakis): Remove update.sh, use update.py everywhere.
-LLVM_WIN_REVISION = '239674'
+CLANG_REVISION = '239674'
use_head_revision = 'LLVM_FORCE_HEAD_REVISION' in os.environ
if use_head_revision:
- LLVM_WIN_REVISION = 'HEAD'
+ CLANG_REVISION = 'HEAD'
# This is incremented when pushing a new build of Clang at the same revision.
CLANG_SUB_REVISION=1
-PACKAGE_VERSION = "%s-%s" % (LLVM_WIN_REVISION, CLANG_SUB_REVISION)
+PACKAGE_VERSION = "%s-%s" % (CLANG_REVISION, CLANG_SUB_REVISION)
# Path constants. (All of these should be absolute paths.)
THIS_DIR = os.path.abspath(os.path.dirname(__file__))
@@ -50,17 +48,26 @@
CHROME_TOOLS_SHIM_DIR = os.path.join(LLVM_DIR, 'tools', 'chrometools')
LLVM_BUILD_DIR = os.path.join(CHROMIUM_DIR, 'third_party', 'llvm-build',
'Release+Asserts')
-COMPILER_RT_BUILD_DIR = os.path.join(LLVM_BUILD_DIR, '32bit-compiler-rt')
+COMPILER_RT_BUILD_DIR = os.path.join(LLVM_BUILD_DIR, 'compiler-rt')
CLANG_DIR = os.path.join(LLVM_DIR, 'tools', 'clang')
LLD_DIR = os.path.join(LLVM_DIR, 'tools', 'lld')
-COMPILER_RT_DIR = os.path.join(LLVM_DIR, 'projects', 'compiler-rt')
+# compiler-rt is built as part of the regular LLVM build on Windows to get
+# the 64-bit runtime, and out-of-tree elsewhere.
+# TODO(thakis): Try to unify this.
+if sys.platform == 'win32':
+ COMPILER_RT_DIR = os.path.join(LLVM_DIR, 'projects', 'compiler-rt')
+else:
+ COMPILER_RT_DIR = os.path.join(LLVM_DIR, 'compiler-rt')
LIBCXX_DIR = os.path.join(LLVM_DIR, 'projects', 'libcxx')
LIBCXXABI_DIR = os.path.join(LLVM_DIR, 'projects', 'libcxxabi')
LLVM_BUILD_TOOLS_DIR = os.path.abspath(
os.path.join(LLVM_DIR, '..', 'llvm-build-tools'))
-STAMP_FILE = os.path.join(LLVM_DIR, '..', 'llvm-build', 'cr_build_revision')
+STAMP_FILE = os.path.normpath(
+ os.path.join(LLVM_DIR, '..', 'llvm-build', 'cr_build_revision'))
BINUTILS_DIR = os.path.join(THIRD_PARTY_DIR, 'binutils')
-VERSION = '3.7.0'
+VERSION = '3.8.0'
+ANDROID_NDK_DIR = os.path.join(
+ CHROMIUM_DIR, 'third_party', 'android_tools', 'ndk')
# URL for pre-built binaries.
CDS_URL = 'https://commondatastorage.googleapis.com/chromium-browser-clang'
@@ -74,40 +81,75 @@
"""Download url into output_file."""
CHUNK_SIZE = 4096
TOTAL_DOTS = 10
- sys.stdout.write('Downloading %s ' % url)
- sys.stdout.flush()
- response = urllib2.urlopen(url)
- total_size = int(response.info().getheader('Content-Length').strip())
- bytes_done = 0
- dots_printed = 0
+ num_retries = 3
+ retry_wait_s = 5 # Doubled at each retry.
+
while True:
- chunk = response.read(CHUNK_SIZE)
- if not chunk:
- break
- output_file.write(chunk)
- bytes_done += len(chunk)
- num_dots = TOTAL_DOTS * bytes_done / total_size
- sys.stdout.write('.' * (num_dots - dots_printed))
- sys.stdout.flush()
- dots_printed = num_dots
- print ' Done.'
+ try:
+ sys.stdout.write('Downloading %s ' % url)
+ sys.stdout.flush()
+ response = urllib2.urlopen(url)
+ total_size = int(response.info().getheader('Content-Length').strip())
+ bytes_done = 0
+ dots_printed = 0
+ while True:
+ chunk = response.read(CHUNK_SIZE)
+ if not chunk:
+ break
+ output_file.write(chunk)
+ bytes_done += len(chunk)
+ num_dots = TOTAL_DOTS * bytes_done / total_size
+ sys.stdout.write('.' * (num_dots - dots_printed))
+ sys.stdout.flush()
+ dots_printed = num_dots
+ if bytes_done != total_size:
+ raise urllib2.URLError("only got %d of %d bytes" %
+ (bytes_done, total_size))
+ print ' Done.'
+ return
+ except urllib2.URLError as e:
+ sys.stdout.write('\n')
+ print e
+ if num_retries == 0 or isinstance(e, urllib2.HTTPError) and e.code == 404:
+ raise e
+ num_retries -= 1
+ print 'Retrying in %d s ...' % retry_wait_s
+ time.sleep(retry_wait_s)
+ retry_wait_s *= 2
+
+
+def EnsureDirExists(path):
+ if not os.path.exists(path):
+ print "Creating directory %s" % path
+ os.makedirs(path)
+
+
+def DownloadAndUnpack(url, output_dir):
+ with tempfile.TemporaryFile() as f:
+ DownloadUrl(url, f)
+ f.seek(0)
+ EnsureDirExists(output_dir)
+ if url.endswith('.zip'):
+ zipfile.ZipFile(f).extractall(path=output_dir)
+ else:
+ tarfile.open(mode='r:gz', fileobj=f).extractall(path=output_dir)
def ReadStampFile():
"""Return the contents of the stamp file, or '' if it doesn't exist."""
try:
with open(STAMP_FILE, 'r') as f:
- return f.read()
+ return f.read().rstrip()
except IOError:
return ''
def WriteStampFile(s):
"""Write s to the stamp file."""
- if not os.path.exists(os.path.dirname(STAMP_FILE)):
- os.makedirs(os.path.dirname(STAMP_FILE))
+ EnsureDirExists(os.path.dirname(STAMP_FILE))
with open(STAMP_FILE, 'w') as f:
f.write(s)
+ f.write('\n')
def GetSvnRevision(svn_repo):
@@ -129,6 +171,13 @@
shutil.rmtree(dir, onerror=ChmodAndRetry)
+def RmCmakeCache(dir):
+ """Delete CMakeCache.txt files under dir recursively."""
+ for dirpath, _, files in os.walk(dir):
+ if 'CMakeCache.txt' in files:
+ os.remove(os.path.join(dirpath, 'CMakeCache.txt'))
+
+
def RunCommand(command, msvc_arch=None, env=None, fail_hard=True):
"""Run command and return success (True) or failure; or if fail_hard is
True, exit on failure. If msvc_arch is set, runs the command in a
@@ -170,8 +219,8 @@
def CopyDirectoryContents(src, dst, filename_filter=None):
"""Copy the files from directory src to dst
with an optional filename filter."""
- if not os.path.exists(dst):
- os.makedirs(dst)
+ dst = os.path.realpath(dst) # realpath() in case dst ends in /..
+ EnsureDirExists(dst)
for root, _, files in os.walk(src):
for f in files:
if filename_filter and not re.match(filename_filter, f):
@@ -181,9 +230,9 @@
def Checkout(name, url, dir):
"""Checkout the SVN module at url into dir. Use name for the log message."""
- print "Checking out %s r%s into '%s'" % (name, LLVM_WIN_REVISION, dir)
+ print "Checking out %s r%s into '%s'" % (name, CLANG_REVISION, dir)
- command = ['svn', 'checkout', '--force', url + '@' + LLVM_WIN_REVISION, dir]
+ command = ['svn', 'checkout', '--force', url + '@' + CLANG_REVISION, dir]
if RunCommand(command, fail_hard=False):
return
@@ -195,120 +244,9 @@
RunCommand(command)
-def RevertPreviouslyPatchedFiles():
- print 'Reverting previously patched files'
- files = [
- '%(clang)s/test/Index/crash-recovery-modules.m',
- '%(clang)s/unittests/libclang/LibclangTest.cpp',
- '%(compiler_rt)s/lib/asan/asan_rtl.cc',
- '%(compiler_rt)s/test/asan/TestCases/Linux/new_array_cookie_test.cc',
- '%(llvm)s/test/DebugInfo/gmlt.ll',
- '%(llvm)s/lib/CodeGen/SpillPlacement.cpp',
- '%(llvm)s/lib/CodeGen/SpillPlacement.h',
- '%(llvm)s/lib/Transforms/Instrumentation/MemorySanitizer.cpp',
- '%(clang)s/test/Driver/env.c',
- '%(clang)s/lib/Frontend/InitPreprocessor.cpp',
- '%(clang)s/test/Frontend/exceptions.c',
- '%(clang)s/test/Preprocessor/predefined-exceptions.m',
- '%(llvm)s/test/Bindings/Go/go.test',
- '%(clang)s/lib/Parse/ParseExpr.cpp',
- '%(clang)s/lib/Parse/ParseTemplate.cpp',
- '%(clang)s/lib/Sema/SemaDeclCXX.cpp',
- '%(clang)s/lib/Sema/SemaExprCXX.cpp',
- '%(clang)s/test/SemaCXX/default2.cpp',
- '%(clang)s/test/SemaCXX/typo-correction-delayed.cpp',
- '%(compiler_rt)s/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc',
- '%(compiler_rt)s/test/tsan/signal_segv_handler.cc',
- '%(compiler_rt)s/lib/sanitizer_common/sanitizer_coverage_libcdep.cc',
- '%(compiler_rt)s/cmake/config-ix.cmake',
- '%(compiler_rt)s/CMakeLists.txt',
- '%(compiler_rt)s/lib/ubsan/ubsan_platform.h',
- ]
- for f in files:
- f = f % {
- 'clang': CLANG_DIR,
- 'compiler_rt': COMPILER_RT_DIR,
- 'llvm': LLVM_DIR,
- }
- if os.path.exists(f):
- os.remove(f) # For unversioned files.
- RunCommand(['svn', 'revert', f])
-
-
-def ApplyLocalPatches():
- # There's no patch program on Windows by default. We don't need patches on
- # Windows yet, and maybe this not working on Windows will motivate us to
- # remove patches over time.
- assert sys.platform != 'win32'
-
- # Apply patch for tests failing with --disable-pthreads (llvm.org/PR11974)
- clang_patches = [ r"""\
---- test/Index/crash-recovery-modules.m (revision 202554)
-+++ test/Index/crash-recovery-modules.m (working copy)
-@@ -12,6 +12,8 @@
-
- // REQUIRES: crash-recovery
- // REQUIRES: shell
-+// XFAIL: *
-+// (PR11974)
-
- @import Crash;
-""", r"""\
---- unittests/libclang/LibclangTest.cpp (revision 215949)
-+++ unittests/libclang/LibclangTest.cpp (working copy)
-@@ -431,7 +431,7 @@
- EXPECT_EQ(0U, clang_getNumDiagnostics(ClangTU));
- }
-
--TEST_F(LibclangReparseTest, ReparseWithModule) {
-+TEST_F(LibclangReparseTest, DISABLED_ReparseWithModule) {
- const char *HeaderTop = "#ifndef H\n#define H\nstruct Foo { int bar;";
- const char *HeaderBottom = "\n};\n#endif\n";
- const char *MFile = "#include \"HeaderFile.h\"\nint main() {"
-"""
- ]
-
- # This Go bindings test doesn't work after bootstrap on Linux, PR21552.
- llvm_patches = [ r"""\
---- test/Bindings/Go/go.test (revision 223109)
-+++ test/Bindings/Go/go.test (working copy)
-@@ -1,3 +1,3 @@
--; RUN: llvm-go test llvm.org/llvm/bindings/go/llvm
-+; RUN: true
-
- ; REQUIRES: shell
-"""
- ]
-
- # The UBSan run-time, which is now bundled with the ASan run-time, doesn't
- # work on Mac OS X 10.8 (PR23539).
- compiler_rt_patches = [ r"""\
---- CMakeLists.txt (revision 241602)
-+++ CMakeLists.txt (working copy)
-@@ -305,6 +305,7 @@
- list(APPEND SANITIZER_COMMON_SUPPORTED_OS iossim)
- endif()
- endif()
-+ set(SANITIZER_MIN_OSX_VERSION "10.7")
- if(SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.7")
- message(FATAL_ERROR "Too old OS X version: ${SANITIZER_MIN_OSX_VERSION}")
- endif()
-"""
- ]
-
- for path, patches in [(LLVM_DIR, llvm_patches),
- (CLANG_DIR, clang_patches),
- (COMPILER_RT_DIR, compiler_rt_patches)]:
- print 'Applying patches in', path
- for patch in patches:
- print patch
- p = subprocess.Popen( ['patch', '-p0', '-d', path], stdin=subprocess.PIPE)
- (stdout, stderr) = p.communicate(input=patch)
- if p.returncode != 0:
- raise RuntimeError('stdout %s, stderr %s' % (stdout, stderr))
-
-
def DeleteChromeToolsShim():
+ OLD_SHIM_DIR = os.path.join(LLVM_DIR, 'tools', 'zzz-chrometools')
+ shutil.rmtree(OLD_SHIM_DIR, ignore_errors=True)
shutil.rmtree(CHROME_TOOLS_SHIM_DIR, ignore_errors=True)
@@ -337,6 +275,25 @@
f.write('endif (CHROMIUM_TOOLS_SRC)\n')
+def MaybeDownloadHostGcc(args):
+ """Downloads gcc 4.8.2 if needed and makes sure args.gcc_toolchain is set."""
+ if not sys.platform.startswith('linux') or args.gcc_toolchain:
+ return
+
+ if subprocess.check_output(['gcc', '-dumpversion']).rstrip() < '4.7.0':
+ # We need a newer gcc version.
+ gcc_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, 'gcc482precise')
+ if not os.path.exists(gcc_dir):
+ print 'Downloading pre-built GCC 4.8.2...'
+ DownloadAndUnpack(
+ CDS_URL + '/tools/gcc482precise.tgz', LLVM_BUILD_TOOLS_DIR)
+ args.gcc_toolchain = gcc_dir
+ else:
+ # Always set gcc_toolchain; llvm-symbolizer needs the bundled libstdc++.
+ args.gcc_toolchain = \
+ os.path.dirname(os.path.dirname(distutils.spawn.find_executable('gcc')))
+
+
def AddCMakeToPath():
"""Download CMake and add it to PATH."""
if sys.platform == 'win32':
@@ -345,20 +302,10 @@
'cmake-3.2.2-win32-x86', 'bin')
else:
suffix = 'Darwin' if sys.platform == 'darwin' else 'Linux'
- zip_name = 'cmake310_%s.tgz' % suffix
- cmake_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, 'cmake310', 'bin')
+ zip_name = 'cmake322_%s.tgz' % suffix
+ cmake_dir = os.path.join(LLVM_BUILD_TOOLS_DIR, 'cmake322', 'bin')
if not os.path.exists(cmake_dir):
- if not os.path.exists(LLVM_BUILD_TOOLS_DIR):
- os.makedirs(LLVM_BUILD_TOOLS_DIR)
- # The cmake archive is smaller than 20 MB, small enough to keep in memory:
- with contextlib.closing(cStringIO.StringIO()) as f:
- DownloadUrl(CDS_URL + '/tools/' + zip_name, f)
- f.seek(0)
- if zip_name.endswith('.zip'):
- zipfile.ZipFile(f).extractall(path=LLVM_BUILD_TOOLS_DIR)
- else:
- tarfile.open(mode='r:gz', fileobj=f).extractall(path=
- LLVM_BUILD_TOOLS_DIR)
+ DownloadAndUnpack(CDS_URL + '/tools/' + zip_name, LLVM_BUILD_TOOLS_DIR)
os.environ['PATH'] = cmake_dir + os.pathsep + os.environ.get('PATH', '')
vs_version = None
@@ -383,37 +330,61 @@
def UpdateClang(args):
print 'Updating Clang to %s...' % PACKAGE_VERSION
- if ReadStampFile() == PACKAGE_VERSION:
- print 'Already up to date.'
- return 0
+
+ need_gold_plugin = 'LLVM_DOWNLOAD_GOLD_PLUGIN' in os.environ or (
+ sys.platform.startswith('linux') and
+ 'buildtype=Official' in os.environ.get('GYP_DEFINES', '') and
+ 'branding=Chrome' in os.environ.get('GYP_DEFINES', ''))
+
+ if ReadStampFile() == PACKAGE_VERSION and not args.force_local_build:
+ print 'Clang is already up to date.'
+ if not need_gold_plugin or os.path.exists(
+ os.path.join(LLVM_BUILD_DIR, "lib/LLVMgold.so")):
+ return 0
# Reset the stamp file in case the build is unsuccessful.
WriteStampFile('')
if not args.force_local_build:
cds_file = "clang-%s.tgz" % PACKAGE_VERSION
- cds_full_url = CDS_URL + '/Win/' + cds_file
+ if sys.platform == 'win32':
+ cds_full_url = CDS_URL + '/Win/' + cds_file
+ elif sys.platform == 'darwin':
+ cds_full_url = CDS_URL + '/Mac/' + cds_file
+ else:
+ assert sys.platform.startswith('linux')
+ cds_full_url = CDS_URL + '/Linux_x64/' + cds_file
- # Check if there's a prebuilt binary and if so just fetch that. That's
- # faster, and goma relies on having matching binary hashes on client and
- # server too.
- print 'Trying to download prebuilt clang'
-
- # clang packages are smaller than 50 MB, small enough to keep in memory.
- with contextlib.closing(cStringIO.StringIO()) as f:
- try:
- DownloadUrl(cds_full_url, f)
- f.seek(0)
- tarfile.open(mode='r:gz', fileobj=f).extractall(path=LLVM_BUILD_DIR)
- print 'clang %s unpacked' % PACKAGE_VERSION
- WriteStampFile(PACKAGE_VERSION)
- return 0
- except urllib2.HTTPError:
- print 'Did not find prebuilt clang %s, building locally' % cds_file
+ print 'Downloading prebuilt clang'
+ if os.path.exists(LLVM_BUILD_DIR):
+ RmTree(LLVM_BUILD_DIR)
+ try:
+ DownloadAndUnpack(cds_full_url, LLVM_BUILD_DIR)
+ print 'clang %s unpacked' % PACKAGE_VERSION
+ # Download the gold plugin if requested to by an environment variable.
+ # This is used by the CFI ClusterFuzz bot, and it's required for official
+ # builds on linux.
+ if need_gold_plugin:
+ RunCommand(['python', CHROMIUM_DIR+'/build/download_gold_plugin.py'])
+ WriteStampFile(PACKAGE_VERSION)
+ return 0
+ except urllib2.URLError:
+ print 'Failed to download prebuilt clang %s' % cds_file
+ print 'Use --force-local-build if you want to build locally.'
+ print 'Exiting.'
+ return 1
+
+ if args.with_android and not os.path.exists(ANDROID_NDK_DIR):
+ print 'Android NDK not found at ' + ANDROID_NDK_DIR
+ print 'The Android NDK is needed to build a Clang whose -fsanitize=address'
+ print 'works on Android. See '
+ print 'http://code.google.com/p/chromium/wiki/AndroidBuildInstructions'
+ print 'for how to install the NDK, or pass --without-android.'
+ return 1
+ MaybeDownloadHostGcc(args)
AddCMakeToPath()
- RevertPreviouslyPatchedFiles()
DeleteChromeToolsShim()
Checkout('LLVM', LLVM_REPO_URL + '/llvm/trunk', LLVM_DIR)
@@ -429,10 +400,24 @@
# into it too (since OS X 10.6 doesn't have libc++abi.dylib either).
Checkout('libcxxabi', LLVM_REPO_URL + '/libcxxabi/trunk', LIBCXXABI_DIR)
- if args.with_patches and sys.platform != 'win32':
- ApplyLocalPatches()
-
cc, cxx = None, None
+ libstdcpp = None
+ if args.gcc_toolchain: # This option is only used on Linux.
+ # Use the specified gcc installation for building.
+ cc = os.path.join(args.gcc_toolchain, 'bin', 'gcc')
+ cxx = os.path.join(args.gcc_toolchain, 'bin', 'g++')
+
+ if not os.access(cc, os.X_OK):
+ print 'Invalid --gcc-toolchain: "%s"' % args.gcc_toolchain
+ print '"%s" does not appear to be valid.' % cc
+ return 1
+
+ # Set LD_LIBRARY_PATH to make auxiliary targets (tablegen, bootstrap
+ # compiler, etc.) find the .so.
+ libstdcpp = subprocess.check_output(
+ [cxx, '-print-file-name=libstdc++.so.6']).rstrip()
+ os.environ['LD_LIBRARY_PATH'] = os.path.dirname(libstdcpp)
+
cflags = cxxflags = ldflags = []
# LLVM uses C++11 starting in llvm 3.5. On Linux, this means libstdc++4.7+ is
@@ -462,8 +447,7 @@
if args.bootstrap:
print 'Building bootstrap compiler'
- if not os.path.exists(LLVM_BOOTSTRAP_DIR):
- os.makedirs(LLVM_BOOTSTRAP_DIR)
+ EnsureDirExists(LLVM_BOOTSTRAP_DIR)
os.chdir(LLVM_BOOTSTRAP_DIR)
bootstrap_args = base_cmake_args + [
'-DLLVM_TARGETS_TO_BUILD=host',
@@ -473,11 +457,16 @@
]
if cc is not None: bootstrap_args.append('-DCMAKE_C_COMPILER=' + cc)
if cxx is not None: bootstrap_args.append('-DCMAKE_CXX_COMPILER=' + cxx)
+ RmCmakeCache('.')
RunCommand(['cmake'] + bootstrap_args + [LLVM_DIR], msvc_arch='x64')
RunCommand(['ninja'], msvc_arch='x64')
if args.run_tests:
RunCommand(['ninja', 'check-all'], msvc_arch='x64')
RunCommand(['ninja', 'install'], msvc_arch='x64')
+ if args.gcc_toolchain:
+ # Copy that gcc's stdlibc++.so.6 to the build dir, so the bootstrap
+ # compiler can start.
+ CopyFile(libstdcpp, os.path.join(LLVM_BOOTSTRAP_INSTALL_DIR, 'lib'))
if sys.platform == 'win32':
cc = os.path.join(LLVM_BOOTSTRAP_INSTALL_DIR, 'bin', 'clang-cl.exe')
@@ -489,6 +478,12 @@
else:
cc = os.path.join(LLVM_BOOTSTRAP_INSTALL_DIR, 'bin', 'clang')
cxx = os.path.join(LLVM_BOOTSTRAP_INSTALL_DIR, 'bin', 'clang++')
+
+ if args.gcc_toolchain:
+ # Tell the bootstrap compiler to use a specific gcc prefix to search
+ # for standard library headers and shared object files.
+ cflags = ['--gcc-toolchain=' + args.gcc_toolchain]
+ cxxflags = ['--gcc-toolchain=' + args.gcc_toolchain]
print 'Building final compiler'
if sys.platform == 'darwin':
@@ -543,7 +538,7 @@
binutils_incdir = os.path.join(BINUTILS_DIR, 'Linux_x64/Release/include')
# If building at head, define a macro that plugins can use for #ifdefing
- # out code that builds at head, but not at LLVM_WIN_REVISION or vice versa.
+ # out code that builds at head, but not at CLANG_REVISION or vice versa.
if use_head_revision:
cflags += ['-DLLVM_FORCE_HEAD_REVISION']
cxxflags += ['-DLLVM_FORCE_HEAD_REVISION']
@@ -555,8 +550,15 @@
deployment_env = os.environ.copy()
deployment_env['MACOSX_DEPLOYMENT_TARGET'] = deployment_target
- cmake_args = base_cmake_args + [
+ cmake_args = []
+ # TODO(thakis): Unconditionally append this to base_cmake_args instead once
+ # compiler-rt can build with clang-cl on Windows (http://llvm.org/PR23698)
+ cc_args = base_cmake_args if sys.platform != 'win32' else cmake_args
+ if cc is not None: cc_args.append('-DCMAKE_C_COMPILER=' + cc)
+ if cxx is not None: cc_args.append('-DCMAKE_CXX_COMPILER=' + cxx)
+ cmake_args += base_cmake_args + [
'-DLLVM_BINUTILS_INCDIR=' + binutils_incdir,
+ '-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly',
'-DCMAKE_C_FLAGS=' + ' '.join(cflags),
'-DCMAKE_CXX_FLAGS=' + ' '.join(cxxflags),
'-DCMAKE_EXE_LINKER_FLAGS=' + ' '.join(ldflags),
@@ -565,35 +567,44 @@
'-DCMAKE_INSTALL_PREFIX=' + LLVM_BUILD_DIR,
'-DCHROMIUM_TOOLS_SRC=%s' % os.path.join(CHROMIUM_DIR, 'tools', 'clang'),
'-DCHROMIUM_TOOLS=%s' % ';'.join(args.tools)]
- # TODO(thakis): Unconditionally append this to base_cmake_args instead once
- # compiler-rt can build with clang-cl on Windows (http://llvm.org/PR23698)
- cc_args = base_cmake_args if sys.platform != 'win32' else cmake_args
- if cc is not None: cc_args.append('-DCMAKE_C_COMPILER=' + cc)
- if cxx is not None: cc_args.append('-DCMAKE_CXX_COMPILER=' + cxx)
- if not os.path.exists(LLVM_BUILD_DIR):
- os.makedirs(LLVM_BUILD_DIR)
+ EnsureDirExists(LLVM_BUILD_DIR)
os.chdir(LLVM_BUILD_DIR)
+ RmCmakeCache('.')
RunCommand(['cmake'] + cmake_args + [LLVM_DIR],
msvc_arch='x64', env=deployment_env)
- RunCommand(['ninja'], msvc_arch='x64')
+
+ if args.gcc_toolchain:
+ # Copy in the right stdlibc++.so.6 so clang can start.
+ if not os.path.exists(os.path.join(LLVM_BUILD_DIR, 'lib')):
+ os.mkdir(os.path.join(LLVM_BUILD_DIR, 'lib'))
+ libstdcpp = subprocess.check_output(
+ [cxx] + cxxflags + ['-print-file-name=libstdc++.so.6']).rstrip()
+ CopyFile(libstdcpp, os.path.join(LLVM_BUILD_DIR, 'lib'))
+
+ # TODO(thakis): Remove "-d explain" once http://crbug.com/569337 is fixed.
+ RunCommand(['ninja', '-d', 'explain'], msvc_arch='x64')
if args.tools:
# If any Chromium tools were built, install those now.
RunCommand(['ninja', 'cr-install'], msvc_arch='x64')
if sys.platform == 'darwin':
- CopyFile(os.path.join(LLVM_BUILD_DIR, 'libc++.1.dylib'),
+ CopyFile(os.path.join(libcxxbuild, 'libc++.1.dylib'),
os.path.join(LLVM_BUILD_DIR, 'bin'))
# See http://crbug.com/256342
RunCommand(['strip', '-x', os.path.join(LLVM_BUILD_DIR, 'bin', 'clang')])
elif sys.platform.startswith('linux'):
RunCommand(['strip', os.path.join(LLVM_BUILD_DIR, 'bin', 'clang')])
- # Do an x86 build of compiler-rt to get the 32-bit ASan run-time.
+ # Do an out-of-tree build of compiler-rt.
+ # On Windows, this is used to get the 32-bit ASan run-time.
# TODO(hans): Remove once the regular build above produces this.
- if not os.path.exists(COMPILER_RT_BUILD_DIR):
- os.makedirs(COMPILER_RT_BUILD_DIR)
+ # On Mac and Linux, this is used to get the regular 64-bit run-time.
+ # Do a clobbered build due to cmake changes.
+ if os.path.isdir(COMPILER_RT_BUILD_DIR):
+ RmTree(COMPILER_RT_BUILD_DIR)
+ os.makedirs(COMPILER_RT_BUILD_DIR)
os.chdir(COMPILER_RT_BUILD_DIR)
# TODO(thakis): Add this once compiler-rt can build with clang-cl (see
# above).
@@ -606,11 +617,17 @@
'-DCMAKE_CXX_FLAGS=' + ' '.join(cxxflags)]
if sys.platform != 'win32':
compiler_rt_args += ['-DLLVM_CONFIG_PATH=' +
- os.path.join(LLVM_BUILD_DIR, 'bin', 'llvm-config')]
- RunCommand(['cmake'] + compiler_rt_args + [LLVM_DIR],
- msvc_arch='x86', env=deployment_env)
+ os.path.join(LLVM_BUILD_DIR, 'bin', 'llvm-config'),
+ '-DSANITIZER_MIN_OSX_VERSION="10.7"']
+ # compiler-rt is part of the llvm checkout on Windows but a stand-alone
+ # directory elsewhere, see the TODO above COMPILER_RT_DIR.
+ RmCmakeCache('.')
+ RunCommand(['cmake'] + compiler_rt_args +
+ [LLVM_DIR if sys.platform == 'win32' else COMPILER_RT_DIR],
+ msvc_arch='x86', env=deployment_env)
RunCommand(['ninja', 'compiler-rt'], msvc_arch='x86')
+ # Copy select output to the main tree.
# TODO(hans): Make this (and the .gypi and .isolate files) version number
# independent.
if sys.platform == 'win32':
@@ -620,17 +637,35 @@
else:
assert sys.platform.startswith('linux')
platform = 'linux'
- asan_rt_lib_src_dir = os.path.join(COMPILER_RT_BUILD_DIR, 'lib', 'clang',
- VERSION, 'lib', platform)
+ asan_rt_lib_src_dir = os.path.join(COMPILER_RT_BUILD_DIR, 'lib', platform)
+ if sys.platform == 'win32':
+ # TODO(thakis): This too is due to compiler-rt being part of the checkout
+ # on Windows, see TODO above COMPILER_RT_DIR.
+ asan_rt_lib_src_dir = os.path.join(COMPILER_RT_BUILD_DIR, 'lib', 'clang',
+ VERSION, 'lib', platform)
asan_rt_lib_dst_dir = os.path.join(LLVM_BUILD_DIR, 'lib', 'clang',
VERSION, 'lib', platform)
- CopyDirectoryContents(asan_rt_lib_src_dir, asan_rt_lib_dst_dir,
- r'^.*-i386\.lib$')
- CopyDirectoryContents(asan_rt_lib_src_dir, asan_rt_lib_dst_dir,
- r'^.*-i386\.dll$')
+ # Blacklists:
+ CopyDirectoryContents(os.path.join(asan_rt_lib_src_dir, '..', '..'),
+ os.path.join(asan_rt_lib_dst_dir, '..', '..'),
+ r'^.*blacklist\.txt$')
+ # Headers:
+ if sys.platform != 'win32':
+ CopyDirectoryContents(
+ os.path.join(COMPILER_RT_BUILD_DIR, 'include/sanitizer'),
+ os.path.join(LLVM_BUILD_DIR, 'lib/clang', VERSION, 'include/sanitizer'))
+ # Static and dynamic libraries:
+ CopyDirectoryContents(asan_rt_lib_src_dir, asan_rt_lib_dst_dir)
+ if sys.platform == 'darwin':
+ for dylib in glob.glob(os.path.join(asan_rt_lib_dst_dir, '*.dylib')):
+ # Fix LC_ID_DYLIB for the ASan dynamic libraries to be relative to
+ # @executable_path.
+ # TODO(glider): this is transitional. We'll need to fix the dylib
+ # name either in our build system, or in Clang. See also
+ # http://crbug.com/344836.
+ subprocess.call(['install_name_tool', '-id',
+ '@executable_path/' + os.path.basename(dylib), dylib])
- CopyFile(os.path.join(asan_rt_lib_src_dir, '..', '..', 'asan_blacklist.txt'),
- os.path.join(asan_rt_lib_dst_dir, '..', '..'))
if sys.platform == 'win32':
# Make an extra copy of the sanitizer headers, to be put on the include path
@@ -640,22 +675,67 @@
aux_sanitizer_include_dir = os.path.join(LLVM_BUILD_DIR, 'lib', 'clang',
VERSION, 'include_sanitizer',
'sanitizer')
- if not os.path.exists(aux_sanitizer_include_dir):
- os.makedirs(aux_sanitizer_include_dir)
+ EnsureDirExists(aux_sanitizer_include_dir)
for _, _, files in os.walk(sanitizer_include_dir):
for f in files:
CopyFile(os.path.join(sanitizer_include_dir, f),
aux_sanitizer_include_dir)
+ if args.with_android:
+ make_toolchain = os.path.join(
+ ANDROID_NDK_DIR, 'build', 'tools', 'make-standalone-toolchain.sh')
+ for target_arch in ['aarch64', 'arm', 'i686']:
+ # Make standalone Android toolchain for target_arch.
+ toolchain_dir = os.path.join(
+ LLVM_BUILD_DIR, 'android-toolchain-' + target_arch)
+ RunCommand([
+ make_toolchain,
+ '--platform=android-' + ('21' if target_arch == 'aarch64' else '19'),
+ '--install-dir="%s"' % toolchain_dir,
+ '--system=linux-x86_64',
+ '--stl=stlport',
+ '--toolchain=' + {
+ 'aarch64': 'aarch64-linux-android-4.9',
+ 'arm': 'arm-linux-androideabi-4.9',
+ 'i686': 'x86-4.9',
+ }[target_arch]])
+ # Android NDK r9d copies a broken unwind.h into the toolchain, see
+ # http://crbug.com/357890
+ for f in glob.glob(os.path.join(toolchain_dir, 'include/c++/*/unwind.h')):
+ os.remove(f)
+
+ # Build ASan runtime for Android in a separate build tree.
+ build_dir = os.path.join(LLVM_BUILD_DIR, 'android-' + target_arch)
+ if not os.path.exists(build_dir):
+ os.mkdir(os.path.join(build_dir))
+ os.chdir(build_dir)
+ cflags = ['--target=%s-linux-androideabi' % target_arch,
+ '--sysroot=%s/sysroot' % toolchain_dir,
+ '-B%s' % toolchain_dir]
+ android_args = base_cmake_args + [
+ '-DCMAKE_C_COMPILER=' + os.path.join(LLVM_BUILD_DIR, 'bin/clang'),
+ '-DCMAKE_CXX_COMPILER=' + os.path.join(LLVM_BUILD_DIR, 'bin/clang++'),
+ '-DLLVM_CONFIG_PATH=' + os.path.join(LLVM_BUILD_DIR, 'bin/llvm-config'),
+ '-DCMAKE_C_FLAGS=' + ' '.join(cflags),
+ '-DCMAKE_CXX_FLAGS=' + ' '.join(cflags),
+ '-DANDROID=1']
+ RmCmakeCache('.')
+ RunCommand(['cmake'] + android_args + [COMPILER_RT_DIR])
+ RunCommand(['ninja', 'libclang_rt.asan-%s-android.so' % target_arch])
+
+ # And copy it into the main build tree.
+ runtime = 'libclang_rt.asan-%s-android.so' % target_arch
+ for root, _, files in os.walk(build_dir):
+ if runtime in files:
+ shutil.copy(os.path.join(root, runtime), asan_rt_lib_dst_dir)
+
# Run tests.
if args.run_tests or use_head_revision:
os.chdir(LLVM_BUILD_DIR)
- RunCommand(GetVSVersion().SetupScript('x64') +
- ['&&', 'ninja', 'cr-check-all'])
+ RunCommand(['ninja', 'cr-check-all'], msvc_arch='x64')
if args.run_tests:
os.chdir(LLVM_BUILD_DIR)
- RunCommand(GetVSVersion().SetupScript('x64') +
- ['&&', 'ninja', 'check-all'])
+ RunCommand(['ninja', 'check-all'], msvc_arch='x64')
WriteStampFile(PACKAGE_VERSION)
print 'Clang update was successful.'
@@ -663,31 +743,6 @@
def main():
- if not sys.platform in ['win32', 'cygwin']:
- # For non-Windows, fall back to update.sh.
- # TODO(hans): Make update.py replace update.sh completely.
-
- # This script is called by gclient. gclient opens its hooks subprocesses
- # with (stdout=subprocess.PIPE, stderr=subprocess.STDOUT) and then does
- # custom output processing that breaks printing '\r' characters for
- # single-line updating status messages as printed by curl and wget.
- # Work around this by setting stderr of the update.sh process to stdin (!):
- # gclient doesn't redirect stdin, and while stdin itself is read-only, a
- # dup()ed sys.stdin is writable, try
- # fd2 = os.dup(sys.stdin.fileno()); os.write(fd2, 'hi')
- # TODO: Fix gclient instead, http://crbug.com/95350
- if '--no-stdin-hack' in sys.argv:
- sys.argv.remove('--no-stdin-hack')
- stderr = None
- else:
- try:
- stderr = os.fdopen(os.dup(sys.stdin.fileno()))
- except:
- stderr = sys.stderr
- return subprocess.call(
- [os.path.join(os.path.dirname(__file__), 'update.sh')] + sys.argv[1:],
- stderr=stderr)
-
parser = argparse.ArgumentParser(description='Build Clang.')
parser.add_argument('--bootstrap', action='store_true',
help='first build clang with CC, then with itself.')
@@ -695,26 +750,24 @@
help="run only if the script thinks clang is needed")
parser.add_argument('--force-local-build', action='store_true',
help="don't try to download prebuild binaries")
+ parser.add_argument('--gcc-toolchain', help='set the version for which gcc '
+ 'version be used for building; --gcc-toolchain=/opt/foo '
+ 'picks /opt/foo/bin/gcc')
parser.add_argument('--print-revision', action='store_true',
help='print current clang revision and exit.')
+ parser.add_argument('--print-clang-version', action='store_true',
+ help='print current clang version (e.g. x.y.z) and exit.')
parser.add_argument('--run-tests', action='store_true',
help='run tests after building; only for local builds')
parser.add_argument('--tools', nargs='*',
help='select which chrome tools to build',
default=['plugins', 'blink_gc_plugin'])
- parser.add_argument('--without-patches', action='store_false',
- help="don't apply patches (default)", dest='with_patches',
- default=True)
-
- # For now, these flags are only used for the non-Windows flow, but argparser
- # gets mad if it sees a flag it doesn't recognize.
- parser.add_argument('--no-stdin-hack', action='store_true')
-
+ parser.add_argument('--without-android', action='store_false',
+ help='don\'t build Android ASan runtime (linux only)',
+ dest='with_android',
+ default=sys.platform.startswith('linux'))
args = parser.parse_args()
- if re.search(r'\b(make_clang_dir)=', os.environ.get('GYP_DEFINES', '')):
- print 'Skipping Clang update (make_clang_dir= was set in GYP_DEFINES).'
- return 0
if args.if_needed:
is_clang_required = False
# clang is always used on Mac and Linux.
@@ -730,8 +783,16 @@
is_clang_required = True
if not is_clang_required:
return 0
+ if re.search(r'\b(make_clang_dir)=', os.environ.get('GYP_DEFINES', '')):
+ print 'Skipping Clang update (make_clang_dir= was set in GYP_DEFINES).'
+ return 0
+
+ if use_head_revision:
+ # TODO(hans): Remove after the next roll.
+ global VERSION
+ VERSION = '3.9.0'
- global LLVM_WIN_REVISION, PACKAGE_VERSION
+ global CLANG_REVISION, PACKAGE_VERSION
if args.print_revision:
if use_head_revision:
print GetSvnRevision(LLVM_DIR)
@@ -739,6 +800,10 @@
print PACKAGE_VERSION
return 0
+ if args.print_clang_version:
+ sys.stdout.write(VERSION)
+ return 0
+
# Don't buffer stdout, so that print statements are immediately flushed.
# Do this only after --print-revision has been handled, else we'll get
# an error message when this script is run from gn for some reason.
@@ -747,12 +812,13 @@
if use_head_revision:
# Use a real revision number rather than HEAD to make sure that the stamp
# file logic works.
- LLVM_WIN_REVISION = GetSvnRevision(LLVM_REPO_URL)
- PACKAGE_VERSION = LLVM_WIN_REVISION + '-0'
+ CLANG_REVISION = GetSvnRevision(LLVM_REPO_URL)
+ PACKAGE_VERSION = CLANG_REVISION + '-0'
args.force_local_build = True
- # Skip local patches when using HEAD: they probably don't apply anymore.
- args.with_patches = False
+ if 'OS=android' not in os.environ.get('GYP_DEFINES', ''):
+ # Only build the Android ASan rt on ToT bots when targetting Android.
+ args.with_android = False
return UpdateClang(args)

View File

@ -53,6 +53,9 @@ qtSubmodule {
libcap
pciutils
];
patches = [
./chromium-clang-update-py.patch
];
postInstall = ''
cat > $out/libexec/qt.conf <<EOF
[Paths]