Add a bootstrap script to make it easier to build gcmole

tools/gcmole/bootstrap.sh

Index: tools/gcmole/bootstrap.sh
diff --git a/tools/gcmole/bootstrap.sh b/tools/gcmole/bootstrap.sh
new file mode 100755
index 0000000000000000000000000000000000000000..0e84846491bbb77a56b429cdb1be2d96ee05d7bc
--- /dev/null
+++ b/tools/gcmole/bootstrap.sh
@@ -0,0 +1,126 @@
+#!/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.
+
+CLANG_RELEASE=2.9
+
+THIS_DIR="$(dirname "${0}")"
+LLVM_DIR="${THIS_DIR}/../../third_party/llvm"
+CLANG_DIR="${LLVM_DIR}/tools/clang"
+
+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 [[ "${SUB_VERSION}" < 6 ]]; then
+    echo
+    echo "          YOUR LD IS BUGGY!"
+    echo "Please upgrade Xcode to at least 3.2.6."
+    echo
+  fi
+fi
+
+echo Getting LLVM r"${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 r"${CLANG_RELEASE}" in "${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="$(sysctl -n hw.ncpu)"
+fi
+
+# Build clang.
+cd "${LLVM_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"${NUM_JOBS}"
+STRIP_FLAGS=
+if [ "${OS}" = "Darwin" ]; then
+  # See http://crbug.com/256342
+  STRIP_FLAGS=-x
+fi
+strip ${STRIP_FLAGS} Release/bin/clang
+cd -
+
+# Build libgcmole.so
+make -C "${THIS_DIR}" clean
+make -C "${THIS_DIR}" LLVM_SRC_ROOT="${LLVM_DIR}" libgcmole.so
+
+set +x
+
+echo
+echo You can now run gcmole using this command:
+echo 

[Michael Achenbach, 2013/08/14 12:43:30]

nit: trailing whitespace

+echo CLANG_BIN=\"third_party/llvm/Release/bin\" lua tools/gcmole/gcmole.lua
+echo