Note that there is some duplication when building clang now. The llvm source
is unpacked twice, ./configure is run twice, and two small unit test
libraries are compiled twice. IMO this is a fair tradeoff for having
llvm be a separate build unaffected by changes to clang
svn path=/nixpkgs/trunk/; revision=29919
Fixing the clang fetchsvn hash. I don't know why it does not match that given by nix-prefetch-svn, but
I set that given by nix-build.
svn path=/nixpkgs/trunk/; revision=22239
If passing to gcc4.5 the compile flag: "-fplugin=dragonegg.so" it will use the llvm optimizers and
code generators.
In that previous commit I enabled link time optimization and plugin support in gcc 4.5.0
svn path=/nixpkgs/trunk/; revision=22235