[cfe-dev] [LLVMdev] Ninja build available for Visual Studio users

Justin Holewinski justin.holewinski at gmail.com
Wed Jun 13 14:33:36 PDT 2012

Wow, this is seriously fast on Windows!  I've been using Ninja on Linux/Mac
for awhile now, I'm glad to see it working on Windows now.

On Wed, Jun 13, 2012 at 5:09 PM, =?utf-8?Q?=C3=93scar_Fuentes?= <
ofv at wanadoo.es> wrote:

> Nikola Smiljanic <popizdeh at gmail.com> writes:
> > Could somebody please provide more info. What exactly is ninja (I'm
> > guessing it's a build system) and how to set it up in combination with
> > Visual Studio?
> This is the message I posted on the LLVM mailing list. Here it goes
> again for the benefit of CLang'ers:
> Building LLVM with Visual Studio is a bit of a pain because the
> available methods are slow and doesn't make good use of multiprocessor
> systems.
> >From now on it is possible to build LLVM+Clang with the usual cmake
> method but using Ninja, an ultra-fast tool that knows how to take
> advantage of the availabe execution threads. Ultra-fast is no
> exageration: with a warm cache, a no-op build of LLVM is done in less
> than half a second.
> Rigth now Ninja/VS support is activated on a cmake experimental build,
> with strong possibilities of making its way into the next official
> release. For now, you need to build the patched cmake+ninja yourselves
> or download the executables from
> http://sourceforge.net/projects/cmakescript/files/
> Download and install cmake-Ninja-2.8.8.*-win32-x86.exe, then download
> ninja.exe to the `bin' subdirectory of the place where you installed
> cmake. Then proceed to build LLVM:
> mkdir myLLVMbuildWithNinja
> cd myLLVMbuildWithNinja
> cmake -G Ninja -DCMAKE_BUILD_TYPE=Release path/to/llvm/source/root
> ninja
> (be sure to use the cmake you just installed, not the one you already
> had on the system)
> If you prefer to build cmake+ninja yourselves, read the thread
> http://news.gmane.org/find-root.php?group=gmane.comp.programming.tools.cmake.devel&article=3903
> (long, sorry) or ask on the cmake developer's mailing list for pointers,
> as right now the exact sources are a bit of a moving target. If you find
> bugs building LLVM or any other cmake-based project with ninja, please
> report them on cmake's developers mailing list, available through gmane:
> http://dir.gmane.org/gmane.comp.programming.tools.cmake.devel
> or via e-mail:
> http://www.cmake.org/mailman/listinfo/cmake-developers
> About ninja:
> http://martine.github.com/ninja/
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Justin Holewinski
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