关于Clang

项目主页：http://clang.llvm.org/

安装

1.yum/apt-get

yum install clang
or
apt-get install clang

2.编译安装

所需工具：GCC Python Subversion

安装步骤：
1.检出源码： LLVM  Clang  extra-Clang-tools(可选)  Compiler-RT
2.编译安装：configure && make && make install

根据官方文档提供的安装方法，提供一个shell脚本：
1.创建一个目录，用于编译安装
2.拷贝clang_install.sh至该目录
3.进入该目录，运行clang_install.sh

#!/bin/sh
 
# clean directories
rm -rf llvm build
 
# checkout LLVM
echo "--------------------------------------------------"
echo "checkout LLVM"
svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm
 
# checkout Clang
echo "--------------------------------------------------"
echo "checkout Clang"
cd llvm/tools
svn co http://llvm.org/svn/llvm-project/cfe/trunk clang
cd ../..
 
# checkout extra Clang tools (optional)
echo "--------------------------------------------------"
echo "checkout extra Clang tools"
cd llvm/tools/clang/tools
svn co http://llvm.org/svn/llvm-project/clang-tools-extra/trunk extra
cd ../..
cd ../..
 
# checkout Compiler-RT
echo "--------------------------------------------------"
echo "checkout Compiler-RT"
cd llvm/projects
svn co http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
cd ../..
 
# build LLVM and Clang
echo "--------------------------------------------------"
echo "build LLVM and Clang"
mkdir build
cd build
../llvm/configure --enable-optimized
make -j 10
make install
 
exit 0