Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 286 insertions, 0 deletions

diff --git a/third_party/libwebrtc/tools/clang/scripts/update.sh b/third_party/libwebrtc/tools/clang/scripts/update.sh
new file mode 100755
index 0000000000..e9448236c8
--- /dev/null
+++ b/third_party/libwebrtc/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}"