[llvm-commits] [llvm] r86955 - in /llvm/trunk: Makefile.config.in autoconf/configure.ac configure include/llvm/Config/config.h.in

[Óscar Fuentes]

Rafael Espindola <espindola at google.com>
writes:

> I did 1 or 2 builds with cmake and the build time looks similar. cmake
> itself is much faster than configure.
>
> I do care about the generated Makefiles because recursive makes are
> slow in the case only one file has changed. It should be possible to
> convert the current build to use non recursive makes, but I have no
> idea if cmake supports that.

Hmmm...

touch ../head/tools/opt.cpp

time make -j4   (on the toplevel build directory)

For cmake: 3.9 seconds
For configure: 4.8 seconds

-- 
Óscar