[LLVMdev] [PATCH] llvm-config: add svn revision to --version

[Frits van Bommel]

Óscar Fuentes wrote:
> Why do you use `svn info' and not `svnversion'?

He probably copied this from LDC.

We used to use `svnversion` for LDC, but I changed it to `svn info` because it 
was noticeably faster[1]. This may be less of an issue for LLVM where builds 
take more time anyway, decreasing the relative impact.

> And this brings another question: how do you deal with modified working
> copies?

If you use svnversion it will append an 'M' to the revision number; see 
`svnversion --help`.


[1]: IIRC svnversion took several times longer than the rest of an incremental 
build if little had changed.