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#!/bin/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, and then package the results up
# to a tgz file.
gcc_toolchain=
# Parse command line options.
while [[ $# > 0 ]]; do
case $1 in
--gcc-toolchain)
shift
if [[ $# == 0 ]]; then
echo "--gcc-toolchain requires an argument."
exit 1
fi
if [[ -x "$1/bin/gcc" ]]; then
gcc_toolchain=$1
else
echo "Invalid --gcc-toolchain: '$1'."
echo "'$1/bin/gcc' does not appear to be valid."
exit 1
fi
;;
--help)
echo "usage: $0 [--gcc-toolchain <prefix>]"
echo
echo "--gcc-toolchain: Set the prefix for which GCC version should"
echo " be used for building. For example, to use gcc in"
echo " /opt/foo/bin/gcc, use '--gcc-toolchain '/opt/foo"
echo
exit 1
;;
*)
echo "Unknown argument: '$1'."
echo "Use --help for help."
exit 1
;;
esac
shift
done
THIS_DIR="$(dirname "${0}")"
LLVM_DIR="${THIS_DIR}/../../../third_party/llvm"
LLVM_BOOTSTRAP_DIR="${THIS_DIR}/../../../third_party/llvm-bootstrap"
LLVM_BOOTSTRAP_INSTALL_DIR="${LLVM_DIR}/../llvm-bootstrap-install"
LLVM_BUILD_DIR="${THIS_DIR}/../../../third_party/llvm-build"
LLVM_BIN_DIR="${LLVM_BUILD_DIR}/Release+Asserts/bin"
LLVM_LIB_DIR="${LLVM_BUILD_DIR}/Release+Asserts/lib"
echo "Diff in llvm:" | tee buildlog.txt
svn stat "${LLVM_DIR}" 2>&1 | tee -a buildlog.txt
svn diff "${LLVM_DIR}" 2>&1 | tee -a buildlog.txt
echo "Diff in llvm/tools/clang:" | tee -a buildlog.txt
svn stat "${LLVM_DIR}/tools/clang" 2>&1 | tee -a buildlog.txt
svn diff "${LLVM_DIR}/tools/clang" 2>&1 | tee -a buildlog.txt
echo "Diff in llvm/projects/compiler-rt:" | tee -a buildlog.txt
svn stat "${LLVM_DIR}/projects/compiler-rt" 2>&1 | tee -a buildlog.txt
svn diff "${LLVM_DIR}/projects/compiler-rt" 2>&1 | tee -a buildlog.txt
echo "Starting build" | tee -a buildlog.txt
set -exu
# Do a clobber build.
rm -rf "${LLVM_BOOTSTRAP_DIR}"
rm -rf "${LLVM_BOOTSTRAP_INSTALL_DIR}"
rm -rf "${LLVM_BUILD_DIR}"
extra_flags=
if [[ -n "${gcc_toolchain}" ]]; then
extra_flags="--gcc-toolchain ${gcc_toolchain}"
fi
"${THIS_DIR}"/update.sh --bootstrap --force-local-build --run-tests \
${extra_flags} 2>&1 | tee -a buildlog.txt
R=$("${LLVM_BIN_DIR}/clang" --version | \
sed -ne 's/clang version .*(trunk \([0-9]*\))/\1/p')
PDIR=clang-$R
rm -rf $PDIR
mkdir $PDIR
mkdir $PDIR/bin
mkdir $PDIR/lib
if [ "$(uname -s)" = "Darwin" ]; then
SO_EXT="dylib"
else
SO_EXT="so"
fi
# Copy buildlog over.
cp buildlog.txt $PDIR/
# Copy clang into pdir, symlink clang++ to it.
cp "${LLVM_BIN_DIR}/clang" $PDIR/bin/
(cd $PDIR/bin && ln -sf clang clang++)
cp "${LLVM_BIN_DIR}/llvm-symbolizer" $PDIR/bin/
if [ "$(uname -s)" = "Darwin" ]; then
cp "${LLVM_BIN_DIR}/libc++.1.${SO_EXT}" $PDIR/bin/
(cd $PDIR/bin && ln -sf libc++.1.dylib libc++.dylib)
fi
# Copy plugins. Some of the dylibs are pretty big, so copy only the ones we
# care about.
cp "${LLVM_LIB_DIR}/libFindBadConstructs.${SO_EXT}" $PDIR/lib
BLINKGCPLUGIN_LIBNAME=\
$(grep LIBRARYNAME "$THIS_DIR"/../blink_gc_plugin/Makefile \
| cut -d ' ' -f 3)
cp "${LLVM_LIB_DIR}/lib${BLINKGCPLUGIN_LIBNAME}.${SO_EXT}" $PDIR/lib
if [[ -n "${gcc_toolchain}" ]]; then
# Copy the stdlibc++.so.6 we linked Clang against so it can run.
cp "${LLVM_LIB_DIR}/libstdc++.so.6" $PDIR/lib
fi
# Copy built-in headers (lib/clang/3.2/include).
# libcompiler-rt puts all kinds of libraries there too, but we want only some.
if [ "$(uname -s)" = "Darwin" ]; then
# Keep only the OSX (ASan and profile) and iossim (ASan) runtime libraries:
# Release+Asserts/lib/clang/*/lib/darwin/libclang_rt.{asan,profile}_*
find "${LLVM_LIB_DIR}/clang" -type f -path '*lib/darwin*' \
! -name '*asan_osx*' ! -name '*asan_iossim*' ! -name '*profile_osx*' | \
xargs rm
# Fix LC_ID_DYLIB for the ASan dynamic libraries to be relative to
# @executable_path.
# TODO(glider): this is transitional. We'll need to fix the dylib name
# either in our build system, or in Clang. See also http://crbug.com/344836.
ASAN_DYLIB_NAMES="libclang_rt.asan_osx_dynamic.dylib
libclang_rt.asan_iossim_dynamic.dylib"
for ASAN_DYLIB_NAME in $ASAN_DYLIB_NAMES
do
ASAN_DYLIB=$(find "${LLVM_LIB_DIR}/clang" \
-type f -path "*${ASAN_DYLIB_NAME}")
install_name_tool -id @executable_path/${ASAN_DYLIB_NAME} "${ASAN_DYLIB}"
done
else
# Keep only
# Release+Asserts/lib/clang/*/lib/linux/libclang_rt.{[atm]san,profile,ubsan}-*.a
find "${LLVM_LIB_DIR}/clang" -type f -path '*lib/linux*' \
! -name '*[atm]san*' ! -name '*profile*' ! -name '*ubsan*' | xargs rm
fi
cp -R "${LLVM_LIB_DIR}/clang" $PDIR/lib
tar zcf $PDIR.tgz -C $PDIR bin lib buildlog.txt
if [ "$(uname -s)" = "Darwin" ]; then
PLATFORM=Mac
else
PLATFORM=Linux_x64
fi
echo To upload, run:
echo gsutil cp -a public-read $PDIR.tgz \
gs://chromium-browser-clang/$PLATFORM/$PDIR.tgz
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