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#!/usr/bin/env bash
# Install a newer CMake version
curl -sSL https://cmake.org/files/v3.6/cmake-3.6.1-Linux-x86_64.sh -o install-cmake.sh
chmod +x install-cmake.sh
sudo ./install-cmake.sh --prefix=/usr/local --skip-license
# Checkout LLVM sources
git clone --depth=1 https://github.com/llvm-mirror/llvm.git llvm-source
git clone --depth=1 https://github.com/llvm-mirror/libcxx.git llvm-source/projects/libcxx
git clone --depth=1 https://github.com/llvm-mirror/libcxxabi.git llvm-source/projects/libcxxabi
# Setup libc++ options
if [ -z "$BUILD_32_BITS" ]; then
export BUILD_32_BITS=OFF && echo disabling 32 bit build
fi
# Build and install libc++ (Use unstable ABI for better sanitizer coverage)
mkdir llvm-build && cd llvm-build
cmake -DCMAKE_C_COMPILER=${C_COMPILER} -DCMAKE_CXX_COMPILER=${COMPILER} \
-DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=/usr \
-DLIBCXX_ABI_UNSTABLE=ON \
-DLLVM_USE_SANITIZER=${LIBCXX_SANITIZER} \
-DLLVM_BUILD_32_BITS=${BUILD_32_BITS} \
../llvm-source
make cxx -j2
sudo make install-cxxabi install-cxx
cd ../
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