1#!/usr/bin/env bash
2
3# Copyright 2013 the V8 project authors. All rights reserved.
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met:
7#
8#     * Redistributions of source code must retain the above copyright
9#       notice, this list of conditions and the following disclaimer.
10#     * Redistributions in binary form must reproduce the above
11#       copyright notice, this list of conditions and the following
12#       disclaimer in the documentation and/or other materials provided
13#       with the distribution.
14#     * Neither the name of Google Inc. nor the names of its
15#       contributors may be used to endorse or promote products derived
16#       from this software without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30# This script will build libgcmole.so.
31
32CLANG_RELEASE=2.9
33
34THIS_DIR="$(dirname "${0}")"
35LLVM_DIR="${THIS_DIR}/../../third_party/llvm"
36CLANG_DIR="${LLVM_DIR}/tools/clang"
37
38LLVM_REPO_URL=${LLVM_URL:-https://llvm.org/svn/llvm-project}
39
40# Die if any command dies.
41set -e
42
43OS="$(uname -s)"
44
45# Xcode and clang don't get along when predictive compilation is enabled.
46# http://crbug.com/96315
47if [[ "${OS}" = "Darwin" ]] && xcodebuild -version | grep -q 'Xcode 3.2' ; then
48  XCONF=com.apple.Xcode
49  if [[ "${GYP_GENERATORS}" != "make" ]] && \
50     [ "$(defaults read "${XCONF}" EnablePredictiveCompilation)" != "0" ]; then
51    echo
52    echo "          HEARKEN!"
53    echo "You're using Xcode3 and you have 'Predictive Compilation' enabled."
54    echo "This does not work well with clang (http://crbug.com/96315)."
55    echo "Disable it in Preferences->Building (lower right), or run"
56    echo "    defaults write ${XCONF} EnablePredictiveCompilation -boolean NO"
57    echo "while Xcode is not running."
58    echo
59  fi
60
61  SUB_VERSION=$(xcodebuild -version | sed -Ene 's/Xcode 3\.2\.([0-9]+)/\1/p')
62  if [[ "${SUB_VERSION}" < 6 ]]; then
63    echo
64    echo "          YOUR LD IS BUGGY!"
65    echo "Please upgrade Xcode to at least 3.2.6."
66    echo
67  fi
68fi
69
70echo Getting LLVM r"${CLANG_RELEASE}" in "${LLVM_DIR}"
71if ! svn co --force \
72    "${LLVM_REPO_URL}/llvm/branches/release_${CLANG_RELEASE/./}" \
73    "${LLVM_DIR}"; then
74  echo Checkout failed, retrying
75  rm -rf "${LLVM_DIR}"
76  svn co --force \
77      "${LLVM_REPO_URL}/llvm/branches/release_${CLANG_RELEASE/./}" \
78      "${LLVM_DIR}"
79fi
80
81echo Getting clang r"${CLANG_RELEASE}" in "${CLANG_DIR}"
82svn co --force \
83    "${LLVM_REPO_URL}/cfe/branches/release_${CLANG_RELEASE/./}" \
84    "${CLANG_DIR}"
85
86# Echo all commands
87set -x
88
89NUM_JOBS=3
90if [[ "${OS}" = "Linux" ]]; then
91  NUM_JOBS="$(grep -c "^processor" /proc/cpuinfo)"
92elif [ "${OS}" = "Darwin" ]; then
93  NUM_JOBS="$(sysctl -n hw.ncpu)"
94fi
95
96# Build clang.
97cd "${LLVM_DIR}"
98if [[ ! -f ./config.status ]]; then
99  ../llvm/configure \
100      --enable-optimized \
101      --disable-threads \
102      --disable-pthreads \
103      --without-llvmgcc \
104      --without-llvmgxx
105fi
106
107MACOSX_DEPLOYMENT_TARGET=10.5 make -j"${NUM_JOBS}"
108STRIP_FLAGS=
109if [ "${OS}" = "Darwin" ]; then
110  # See http://crbug.com/256342
111  STRIP_FLAGS=-x
112fi
113strip ${STRIP_FLAGS} Release/bin/clang
114cd -
115
116# Build libgcmole.so
117make -C "${THIS_DIR}" clean
118make -C "${THIS_DIR}" LLVM_SRC_ROOT="${LLVM_DIR}" libgcmole.so
119
120set +x
121
122echo
123echo You can now run gcmole using this command:
124echo
125echo CLANG_BIN=\"third_party/llvm/Release/bin\" lua tools/gcmole/gcmole.lua
126echo
127