转自：http://www.07net01.com/2016/12/1755180.html

升级cmake
yum autoremove cmake
wget https://cmake.org/files/v3.7/cmake-3.7.1.tar.gz
tar xzf cmake-3.7.1.tar.gz
cd cmake-3.7.1
./bootstrap
gmake -j$(nproc)
make install
cd ..
rm -fr cmake*

安装依赖库

yum install yum-utils
yum-builddep -y llvm clang
wget https://bootstrap.pypa.io/ez_setup.py -O - | python
easy_install pip
pip install distribute

wget http://llvm.org/releases/3.9.1/llvm-3.9.1.src.tar.xz
wget http://llvm.org/releases/3.9.1/cfe-3.9.1.src.tar.xz
wget http://llvm.org/releases/3.9.1/compiler-rt-3.9.1.src.tar.xz
wget http://llvm.org/releases/3.9.1/clang-tools-extra-3.9.1.src.tar.xz
tar xf llvm-3.9.1.src.tar.xz
mv llvm-3.9.1.src llvm
cd llvm/tools
tar xf ../../cfe-3.9.1.src.tar.xz
mv cfe-3.9.1.src clang
cd clang/tools
tar xf ../../../../clang-tools-extra-3.9.1.src.tar.xz
mv clang-tools-extra-3.9.1.src extra
cd ../../../projects
tar xf ../../compiler-rt-3.9.1.src.tar.xz
mv compiler-rt-3.9.1.src compiler-rt
cd ../..
mkdir llvm-build
cd llvm-build
cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/home/data/software/clang3.9.1 -DLLVM_OPTIMIZED_TABLEGEN=1 ../llvm
make -j$(nproc)
make install