diff options
Diffstat (limited to 'other-licenses/gyp-deps/tools/clang/scripts/update.sh')
| -rw-r--r-- | other-licenses/gyp-deps/tools/clang/scripts/update.sh | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/other-licenses/gyp-deps/tools/clang/scripts/update.sh b/other-licenses/gyp-deps/tools/clang/scripts/update.sh new file mode 100644 index 000000000..e9448236c --- /dev/null +++ b/other-licenses/gyp-deps/tools/clang/scripts/update.sh @@ -0,0 +1,286 @@ +#!/usr/bin/env bash +# Copyright (c) 2012 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# This script will check out llvm and clang into third_party/llvm and build it. + +# 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. +CLANG_REVISION=163674 + +THIS_DIR="$(dirname "${0}")" +LLVM_DIR="${THIS_DIR}/../../../third_party/llvm" +LLVM_BUILD_DIR="${LLVM_DIR}/../llvm-build" +LLVM_BOOTSTRAP_DIR="${LLVM_DIR}/../llvm-bootstrap" +CLANG_DIR="${LLVM_DIR}/tools/clang" +COMPILER_RT_DIR="${LLVM_DIR}/projects/compiler-rt" +STAMP_FILE="${LLVM_BUILD_DIR}/cr_build_revision" + +# ${A:-a} returns $A if it's set, a else. +LLVM_REPO_URL=${LLVM_URL:-https://llvm.org/svn/llvm-project} + +# Die if any command dies. +set -e + +OS="$(uname -s)" + +# Parse command line options. +force_local_build= +mac_only= +run_tests= +bootstrap= +while [[ $# > 0 ]]; do + case $1 in + --bootstrap) + bootstrap=yes + ;; + --force-local-build) + force_local_build=yes + ;; + --mac-only) + mac_only=yes + ;; + --run-tests) + run_tests=yes + ;; + --help) + echo "usage: $0 [--force-local-build] [--mac-only] [--run-tests] " + echo "--bootstrap: First build clang with CC, then with itself." + echo "--force-local-build: Don't try to download prebuilt binaries." + echo "--mac-only: Do initial download only on Mac systems." + echo "--run-tests: Run tests after building. Only for local builds." + exit 1 + ;; + esac + shift +done + +# --mac-only prevents the initial download on non-mac systems, but if clang has +# already been downloaded in the past, this script keeps it up to date even if +# --mac-only is passed in and the system isn't a mac. People who don't like this +# can just delete their third_party/llvm-build directory. +if [[ -n "$mac_only" ]] && [[ "${OS}" != "Darwin" ]] && + [[ "$GYP_DEFINES" != *clang=1* ]] && ! [[ -d "${LLVM_BUILD_DIR}" ]]; then + exit 0 +fi + +# Xcode and clang don't get along when predictive compilation is enabled. +# http://crbug.com/96315 +if [[ "${OS}" = "Darwin" ]] && xcodebuild -version | grep -q 'Xcode 3.2' ; then + XCONF=com.apple.Xcode + if [[ "${GYP_GENERATORS}" != "make" ]] && \ + [ "$(defaults read "${XCONF}" EnablePredictiveCompilation)" != "0" ]; then + echo + echo " HEARKEN!" + echo "You're using Xcode3 and you have 'Predictive Compilation' enabled." + echo "This does not work well with clang (http://crbug.com/96315)." + echo "Disable it in Preferences->Building (lower right), or run" + echo " defaults write ${XCONF} EnablePredictiveCompilation -boolean NO" + echo "while Xcode is not running." + echo + fi + + SUB_VERSION=$(xcodebuild -version | sed -Ene 's/Xcode 3\.2\.([0-9]+)/\1/p') + if [[ "${SUB_VERSION}" < 6 ]]; then + echo + echo " YOUR LD IS BUGGY!" + echo "Please upgrade Xcode to at least 3.2.6." + echo + fi +fi + + +# Check if there's anything to be done, exit early if not. +if [[ -f "${STAMP_FILE}" ]]; then + PREVIOUSLY_BUILT_REVISON=$(cat "${STAMP_FILE}") + if [[ -z "$force_local_build" ]] && \ + [[ "${PREVIOUSLY_BUILT_REVISON}" = "${CLANG_REVISION}" ]]; then + echo "Clang already at ${CLANG_REVISION}" + exit 0 + fi +fi +# To always force a new build if someone interrupts their build half way. +rm -f "${STAMP_FILE}" + +# Clobber pch files, since they only work with the compiler version that +# created them. Also clobber .o files, to make sure everything will be built +# with the new compiler. +if [[ "${OS}" = "Darwin" ]]; then + XCODEBUILD_DIR="${THIS_DIR}/../../../xcodebuild" + + # Xcode groups .o files by project first, configuration second. + if [[ -d "${XCODEBUILD_DIR}" ]]; then + echo "Clobbering .o files for Xcode build" + find "${XCODEBUILD_DIR}" -name '*.o' -exec rm {} + + fi +fi + +if [ -f "${THIS_DIR}/../../../WebKit.gyp" ]; then + # We're inside a WebKit checkout. + # TODO(thakis): try to unify the directory layout of the xcode- and + # make-based builds. http://crbug.com/110455 + MAKE_DIR="${THIS_DIR}/../../../../../../out" +else + # We're inside a Chromium checkout. + MAKE_DIR="${THIS_DIR}/../../../out" +fi + +for CONFIG in Debug Release; do + if [[ -d "${MAKE_DIR}/${CONFIG}/obj.target" || + -d "${MAKE_DIR}/${CONFIG}/obj.host" ]]; then + echo "Clobbering ${CONFIG} PCH and .o files for make build" + if [[ -d "${MAKE_DIR}/${CONFIG}/obj.target" ]]; then + find "${MAKE_DIR}/${CONFIG}/obj.target" -name '*.gch' -exec rm {} + + find "${MAKE_DIR}/${CONFIG}/obj.target" -name '*.o' -exec rm {} + + fi + if [[ -d "${MAKE_DIR}/${CONFIG}/obj.host" ]]; then + find "${MAKE_DIR}/${CONFIG}/obj.host" -name '*.o' -exec rm {} + + fi + fi + + # ninja puts its output below ${MAKE_DIR} as well. + if [[ -d "${MAKE_DIR}/${CONFIG}/obj" ]]; then + echo "Clobbering ${CONFIG} PCH and .o files for ninja build" + find "${MAKE_DIR}/${CONFIG}/obj" -name '*.gch' -exec rm {} + + find "${MAKE_DIR}/${CONFIG}/obj" -name '*.o' -exec rm {} + + find "${MAKE_DIR}/${CONFIG}/obj" -name '*.o.d' -exec rm {} + + fi + + if [[ "${OS}" = "Darwin" ]]; then + if [[ -d "${XCODEBUILD_DIR}/${CONFIG}/SharedPrecompiledHeaders" ]]; then + echo "Clobbering ${CONFIG} PCH files for Xcode build" + rm -rf "${XCODEBUILD_DIR}/${CONFIG}/SharedPrecompiledHeaders" + fi + fi +done + +if [[ -z "$force_local_build" ]]; then + # 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. + CDS_URL=https://commondatastorage.googleapis.com/chromium-browser-clang + CDS_FILE="clang-${CLANG_REVISION}.tgz" + CDS_OUT_DIR=$(mktemp -d -t clang_download.XXXXXX) + CDS_OUTPUT="${CDS_OUT_DIR}/${CDS_FILE}" + if [ "${OS}" = "Linux" ]; then + CDS_FULL_URL="${CDS_URL}/Linux_x64/${CDS_FILE}" + elif [ "${OS}" = "Darwin" ]; then + CDS_FULL_URL="${CDS_URL}/Mac/${CDS_FILE}" + fi + echo Trying to download prebuilt clang + if which curl > /dev/null; then + curl -L --fail "${CDS_FULL_URL}" -o "${CDS_OUTPUT}" || \ + rm -rf "${CDS_OUT_DIR}" + elif which wget > /dev/null; then + wget "${CDS_FULL_URL}" -O "${CDS_OUTPUT}" || rm -rf "${CDS_OUT_DIR}" + else + echo "Neither curl nor wget found. Please install one of these." + exit 1 + fi + if [ -f "${CDS_OUTPUT}" ]; then + rm -rf "${LLVM_BUILD_DIR}/Release+Asserts" + mkdir -p "${LLVM_BUILD_DIR}/Release+Asserts" + tar -xzf "${CDS_OUTPUT}" -C "${LLVM_BUILD_DIR}/Release+Asserts" + echo clang "${CLANG_REVISION}" unpacked + echo "${CLANG_REVISION}" > "${STAMP_FILE}" + rm -rf "${CDS_OUT_DIR}" + exit 0 + else + echo Did not find prebuilt clang at r"${CLANG_REVISION}", building + fi +fi + +echo Getting LLVM r"${CLANG_REVISION}" in "${LLVM_DIR}" +if ! svn co --force "${LLVM_REPO_URL}/llvm/trunk@${CLANG_REVISION}" \ + "${LLVM_DIR}"; then + echo Checkout failed, retrying + rm -rf "${LLVM_DIR}" + svn co --force "${LLVM_REPO_URL}/llvm/trunk@${CLANG_REVISION}" "${LLVM_DIR}" +fi + +echo Getting clang r"${CLANG_REVISION}" in "${CLANG_DIR}" +svn co --force "${LLVM_REPO_URL}/cfe/trunk@${CLANG_REVISION}" "${CLANG_DIR}" + +echo Getting compiler-rt r"${CLANG_REVISION}" in "${COMPILER_RT_DIR}" +svn co --force "${LLVM_REPO_URL}/compiler-rt/trunk@${CLANG_REVISION}" \ + "${COMPILER_RT_DIR}" + +# Echo all commands. +set -x + +NUM_JOBS=3 +if [[ "${OS}" = "Linux" ]]; then + NUM_JOBS="$(grep -c "^processor" /proc/cpuinfo)" +elif [ "${OS}" = "Darwin" ]; then + NUM_JOBS="$(sysctl -n hw.ncpu)" +fi + +# Build bootstrap clang if requested. +if [[ -n "${bootstrap}" ]]; then + echo "Building bootstrap compiler" + mkdir -p "${LLVM_BOOTSTRAP_DIR}" + cd "${LLVM_BOOTSTRAP_DIR}" + if [[ ! -f ./config.status ]]; then + # The bootstrap compiler only needs to be able to build the real compiler, + # so it needs no cross-compiler output support. In general, the host + # compiler should be as similar to the final compiler as possible, so do + # keep --disable-threads & co. + ../llvm/configure \ + --enable-optimized \ + --enable-targets=host-only \ + --disable-threads \ + --disable-pthreads \ + --without-llvmgcc \ + --without-llvmgxx + MACOSX_DEPLOYMENT_TARGET=10.5 make -j"${NUM_JOBS}" + fi + if [[ -n "${run_tests}" ]]; then + make check-all + fi + cd - + export CC="${PWD}/${LLVM_BOOTSTRAP_DIR}/Release+Asserts/bin/clang" + export CXX="${PWD}/${LLVM_BOOTSTRAP_DIR}/Release+Asserts/bin/clang++" + echo "Building final compiler" +fi + +# Build clang (in a separate directory). +# The clang bots have this path hardcoded in built/scripts/slave/compile.py, +# so if you change it you also need to change these links. +mkdir -p "${LLVM_BUILD_DIR}" +cd "${LLVM_BUILD_DIR}" +if [[ ! -f ./config.status ]]; then + ../llvm/configure \ + --enable-optimized \ + --disable-threads \ + --disable-pthreads \ + --without-llvmgcc \ + --without-llvmgxx +fi + +MACOSX_DEPLOYMENT_TARGET=10.5 make -j"${NUM_JOBS}" +cd - + +# Build plugin. +# Copy it into the clang tree and use clang's build system to compile the +# plugin. +PLUGIN_SRC_DIR="${THIS_DIR}/../plugins" +PLUGIN_DST_DIR="${LLVM_DIR}/tools/clang/tools/chrome-plugin" +PLUGIN_BUILD_DIR="${LLVM_BUILD_DIR}/tools/clang/tools/chrome-plugin" +rm -rf "${PLUGIN_DST_DIR}" +cp -R "${PLUGIN_SRC_DIR}" "${PLUGIN_DST_DIR}" +rm -rf "${PLUGIN_BUILD_DIR}" +mkdir -p "${PLUGIN_BUILD_DIR}" +cp "${PLUGIN_SRC_DIR}/Makefile" "${PLUGIN_BUILD_DIR}" +MACOSX_DEPLOYMENT_TARGET=10.5 make -j"${NUM_JOBS}" -C "${PLUGIN_BUILD_DIR}" + +if [[ -n "$run_tests" ]]; then + # Run a few tests. + "${PLUGIN_SRC_DIR}/tests/test.sh" "${LLVM_BUILD_DIR}/Release+Asserts" + cd "${LLVM_BUILD_DIR}" + make check-all + cd - +fi + +# After everything is done, log success for this revision. +echo "${CLANG_REVISION}" > "${STAMP_FILE}" |