download and build latest llvm/clang from sources

build_clang.sh

#!/bin/bash

mkdir -p ~/Coding
cd ~/Coding

svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm

cd llvm/tools
svn co http://llvm.org/svn/llvm-project/cfe/trunk clang
cd ../..

cd llvm/tools/clang/tools
svn co http://llvm.org/svn/llvm-project/clang-tools-extra/trunk extra
cd ../../../..

cd llvm/projects
svn co http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
cd ../..

cd llvm
mkdir build
cd build
cmake ..
make -j3