v8/tools/gcmole/bootstrap.sh
Michael Starzinger bff8621397 [gcmole] Modernize gcmole bootstrap script.
This updates the existing bootstrap.sh script for gcmole to work against
LLVM and Clang version 8.0 releases. This is a follow-up to a previous
change which adapted the gcmole plugin to compile against those same
versions.

R=mslekova@chromium.org
BUG=v8:8813

Change-Id: Id6052fb9a7ec8a63d205eab2d4e233e2121c733d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1511275
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60116}
2019-03-08 11:08:51 +00:00

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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. Building a recent clang needs a
# recent GCC, so if you explicitly want to use e.g. GCC 4.8, use:
#
# CC=gcc-4.8 CPP=cpp-4.8 CXX=g++-4.8 CXXFLAGS=-static-libstdc++ CXXCPP=cpp-4.8 ./bootstrap.sh
CLANG_RELEASE=8.0
THIS_DIR="$(readlink -f "$(dirname "${0}")")"
LLVM_DIR="${THIS_DIR}/../../third_party/llvm"
CLANG_DIR="${THIS_DIR}/../../third_party/clang"
BUILD_DIR="${THIS_DIR}/../../third_party/llvm+clang-build"
LLVM_REPO_URL=${LLVM_URL:-https://llvm.org/svn/llvm-project}
# Die if any command dies.
set -e
OS="$(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 [[ "${SUB_VERSION}" < 6 ]]; then
echo
echo " YOUR LD IS BUGGY!"
echo "Please upgrade Xcode to at least 3.2.6."
echo
fi
fi
echo Getting LLVM release "${CLANG_RELEASE}" in "${LLVM_DIR}"
if ! svn co --force \
"${LLVM_REPO_URL}/llvm/branches/release_${CLANG_RELEASE/./}" \
"${LLVM_DIR}"; then
echo Checkout failed, retrying
rm -rf "${LLVM_DIR}"
svn co --force \
"${LLVM_REPO_URL}/llvm/branches/release_${CLANG_RELEASE/./}" \
"${LLVM_DIR}"
fi
echo Getting clang release "${CLANG_RELEASE}" in "${CLANG_DIR}"
svn co --force \
"${LLVM_REPO_URL}/cfe/branches/release_${CLANG_RELEASE/./}" \
"${CLANG_DIR}"
# Echo all commands
set -x
NUM_JOBS=3
if [[ "${OS}" = "Linux" ]]; then
NUM_JOBS="$(grep -c "^processor" /proc/cpuinfo)"
elif [ "${OS}" = "Darwin" ]; then
NUM_JOBS="$(sysctl -n hw.ncpu)"
fi
# Build clang.
if [ ! -e "${BUILD_DIR}" ]; then
mkdir "${BUILD_DIR}"
fi
cd "${BUILD_DIR}"
cmake -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS=clang "${LLVM_DIR}"
MACOSX_DEPLOYMENT_TARGET=10.5 make -j"${NUM_JOBS}"
# Strip the clang binary.
STRIP_FLAGS=
if [ "${OS}" = "Darwin" ]; then
# See http://crbug.com/256342
STRIP_FLAGS=-x
fi
strip ${STRIP_FLAGS} bin/clang
cd -
# Build libgcmole.so
make -C "${THIS_DIR}" clean
make -C "${THIS_DIR}" LLVM_SRC_ROOT="${LLVM_DIR}" \
CLANG_SRC_ROOT="${CLANG_DIR}" BUILD_ROOT="${BUILD_DIR}" libgcmole.so
set +x
echo
echo You can now run gcmole using this command:
echo
echo CLANG_BIN=\"third_party/llvm+clang-build/bin\" lua tools/gcmole/gcmole.lua
echo