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