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#!/usr/bin/env bash
# Copyright 2013 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# This script will build libgcmole.so as well as a corresponding recent
# version of Clang and LLVM. The Clang will be built with the locally
# installed compiler and statically link against the local libstdc++ so
# that the resulting binary is easier transferable between different
# environments.
LLVM_RELEASE=19.1.3
BUILD_TYPE="Release"
# BUILD_TYPE="Debug"
THIS_DIR="$(readlink -f "$(dirname "${0}")")"
LLVM_PROJECT_DIR="${THIS_DIR}/bootstrap/llvm"
BUILD_DIR="${THIS_DIR}/bootstrap/build"
# Die if any command dies.
set -e
OS="$(uname -s)"
# 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 [[ "${SUB_VERSION}" < 6 ]]; then
echo
echo " YOUR LD IS BUGGY!"
echo "Please upgrade Xcode to at least 3.2.6."
echo
fi
fi
echo Getting LLVM release "${LLVM_RELEASE}" in "${LLVM_PROJECT_DIR}"
if ! [ -d "${LLVM_PROJECT_DIR}" ] || ! git -C "${LLVM_PROJECT_DIR}" remote get-url origin | grep -q -F "https://github.com/llvm/llvm-project.git" ; then
rm -rf "${LLVM_PROJECT_DIR}"
git clone --depth=1 --branch "llvmorg-${LLVM_RELEASE}" "https://github.com/llvm/llvm-project.git" "${LLVM_PROJECT_DIR}"
else
git -C "${LLVM_PROJECT_DIR}" fetch --depth=1 origin "llvmorg-${LLVM_RELEASE}"
git -C "${LLVM_PROJECT_DIR}" checkout FETCH_HEAD
fi
# Echo all commands
set -x
NUM_JOBS=3
if [[ "${OS}" = "Linux" ]]; then
if [[ -e "/proc/cpuinfo" ]]; then
NUM_JOBS="$(grep -c "^processor" /proc/cpuinfo)"
else
# Hack when running in chroot
NUM_JOBS="32"
fi
elif [ "${OS}" = "Darwin" ]; then
NUM_JOBS="$(sysctl -n hw.ncpu)"
fi
# Build clang.
if [ ! -e "${BUILD_DIR}" ]; then
mkdir "${BUILD_DIR}"
fi
cd "${BUILD_DIR}"
cmake -GNinja -DCMAKE_CXX_FLAGS="-static-libstdc++" -DLLVM_ENABLE_TERMINFO=OFF \
-DCMAKE_BUILD_TYPE=$BUILD_TYPE -DLLVM_ENABLE_PROJECTS=clang \
-DLLVM_ENABLE_Z3_SOLVER=OFF "${LLVM_PROJECT_DIR}/llvm"
MACOSX_DEPLOYMENT_TARGET=10.5 ninja -j"${NUM_JOBS}" clang
if [[ "${BUILD_TYPE}" = "Release" ]]; then
# Strip the clang binary.
STRIP_FLAGS=
if [ "${OS}" = "Darwin" ]; then
# See http://crbug.com/256342
STRIP_FLAGS=-x
fi
strip ${STRIP_FLAGS} bin/clang
fi
cd -
# Build libgcmole.so
make -C "${THIS_DIR}" clean
make -C "${THIS_DIR}" LLVM_SRC_ROOT="${LLVM_PROJECT_DIR}/llvm" \
CLANG_SRC_ROOT="${LLVM_PROJECT_DIR}/clang" \
BUILD_ROOT="${BUILD_DIR}" $BUILD_TYPE
set +x
echo '#########################################################################'
echo 'Congratulations you compiled clang and libgcmole.so'
echo
echo '# You can now run gcmole:'
echo 'tools/gcmole/gcmole.py full \'
echo ' --clang-bin-dir="tools/gcmole/bootstrap/build/bin" \'
echo ' --clang-plugins-dir="tools/gcmole" \'
echo ' --v8-target-cpu=$CPU'
echo
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