Compile Clang3.4

As we know, llvm is a great project, and it also include the clang compiler. And for Clang 3.4, it support dumping the format configuration file, so that people can generate the self-style format for their own project. Detail: ClangFormat  and ClangFormatStyleOptions

And for now, Clang 3.4 has not been released, but we can pull its latest code and compile it.
For RHEL6.x, I remind to compile it, and for ubuntu/debian, there are already have the nightly building package(llvm apt source) , people can install it directly.

1. Ok, the compiling instructions as following, I tested it on a rhel6.x, it worked.

git clone
cd llvm/tools
git clone
cd ../projects
git clone
cd ../../
mkdir build
cd build
../llvm/configure --prefix=~/bin/clang34 --enable-optimized --enable-targets=x86_64
make -j4
make install

2. now, add the clang3.4’s binaries into your PATH.

vim ~/.bash_profile
export $PATH

3. If you are using vim, add the following line into your .vimrc (replace the $path-to-this-file with your real path)

map <C-K> :pyf $path-to-this-file/<CR>
imap <C-K> <ESC>:pyf $path-to-this-file/<CR>i

4. Ok, finally, you can try it with clang-format or open a file with vim and using the Control+K to format your code.

[Other References]:

Final 🙂

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