[LLVMdev] Ninja (make replacement)

[Sean Hunt]

On Sun, Jun 17, 2012 at 7:30 PM, Mikael Lyngvig <mikael at lyngvig.org> wrote:
> Hi Christoph,
>
> It is a good question even though it is obvious :-)  No, for the last few
> days, I have not been able to build Clang with make -j2 or -j4 - the build
> always fails on a ranlib operation.
>
> Also, on Windows, GNU Make seems to be somewhat broken with respect to
> parallel builds: It doesn't change a thing whether you specify -j2 or -j4 on
> a quad-core machine (with hyper-threading disabled in BIOS): The load never
> passes 50 percent.  I have searched the net and found various magic recipes
> for how to fix the problem, but none of them worked.

See http://llvm.org/bugs/show_bug.cgi?id=13147

Sean