ClickHouse/utils/ci/build-clang-from-sources.sh

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#!/usr/bin/env bash
set -e -x
source default-config
./install-os-packages.sh svn
./install-os-packages.sh cmake
mkdir "${WORKSPACE}/llvm"
svn co "http://llvm.org/svn/llvm-project/llvm/${CLANG_SOURCES_BRANCH}" "${WORKSPACE}/llvm/llvm"
svn co "http://llvm.org/svn/llvm-project/cfe/${CLANG_SOURCES_BRANCH}" "${WORKSPACE}/llvm/llvm/tools/clang"
svn co "http://llvm.org/svn/llvm-project/lld/${CLANG_SOURCES_BRANCH}" "${WORKSPACE}/llvm/llvm/tools/lld"
svn co "http://llvm.org/svn/llvm-project/polly/${CLANG_SOURCES_BRANCH}" "${WORKSPACE}/llvm/llvm/tools/polly"
svn co "http://llvm.org/svn/llvm-project/clang-tools-extra/${CLANG_SOURCES_BRANCH}" "${WORKSPACE}/llvm/llvm/tools/clang/tools/extra"
svn co "http://llvm.org/svn/llvm-project/compiler-rt/${CLANG_SOURCES_BRANCH}" "${WORKSPACE}/llvm/llvm/projects/compiler-rt"
svn co "http://llvm.org/svn/llvm-project/libcxx/${CLANG_SOURCES_BRANCH}" "${WORKSPACE}/llvm/llvm/projects/libcxx"
svn co "http://llvm.org/svn/llvm-project/libcxxabi/${CLANG_SOURCES_BRANCH}" "${WORKSPACE}/llvm/llvm/projects/libcxxabi"
mkdir "${WORKSPACE}/llvm/build"
cd "${WORKSPACE}/llvm/build"
# NOTE You must build LLVM with the same ABI as ClickHouse.
# For example, if you compile ClickHouse with libc++, you must add
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# -DLLVM_ENABLE_LIBCXX=1
# to the line below.
cmake -DCMAKE_BUILD_TYPE:STRING=Release -DLLVM_ENABLE_LIBCXX=1 -DLLVM_ENABLE_RTTI=1 ../llvm
make -j $THREADS
$SUDO make install
hash clang
cd ../../..
export CC=clang
export CXX=clang++