clang 3.9.1 centos 7 编译安装
升级cmakeyum autoremove cmakewget https://cmake.org/files/v3.7/cmake-3.7.1.tar.gztar xzf cmake-3.7.1.tar.gzcd cmake-3.7.1./bootstrapgmake -j$(nproc)make installcd ..rm -fr cmake*安装依赖库yum-bui
升级cmakeyum autoremove cmakewget https://cmake.org/files/v3.7/cmake-3.7.1.tar.gztar xzf cmake-3.7.1.tar.gzcd cmake-3.7.1./bootstrapgmake -j$(nproc)make installcd ..rm -fr cmake*安装依赖库yum-bui