Re: -CURRENT compilation time

On Wed, 8 Sep 2021 14:32:16 -0600
Warner Losh <imp@bsdimp.com> wrote:

> On Wed, Sep 8, 2021, 6:33 AM David Chisnall <theraven@freebsd.org> wrote:
> 
> > On 08/09/2021 11:52, Gary Jennejohn wrote:
> > > Seems to me that there was an earlier mail about getting CMAKE to work
> > > with FreeBSD builds.  Could be worthwhile to look into getting ninja
> > > to work also.  But I could understand that there might be push-back,
> > > since the project prefers to use utilities from the source tree.
> >
> > CMake is a build-system generator, Ninja is a build system.  Usually the
> > two are used together: CMake generates Ninja files, Ninja runs the
> > build.  Ninja is explicitly designed not to be written by hand.
> >
> > CMake can also emit other things, including POSIX Makefiles, but the
> > Ninja build is usually the fastest.
> >
> > CMake and Ninja are both in package systems for Windows, macOS, *BSD,
> > and all Linux distros that I've seen, unlike bmake, so  universally easy
> > to depend on for cross-builds.  Cross compiling with bmake is much
> > harder harder from anything that isn't FreeBSD.
> >
> 
> This may be true. I've never had a problem on mac or linux, but my windows
> experience is thin.
> 
> I got looking at the problem, btw, to see if ninja was faster than meta
> mode. Ninja files aren't horrible to generate, but I never got past the
> early proof of concept phase... it seemed possible to implement a make
> ninja target... I'd wanted to use this day to day if it was better than
> meta.
> 
> Mason, however looked much harder to generate, but I didn't spend a lot of
> time on it. I would think this sort of work would be more of a one shot.
> Didn't look at cmake at all, but I imagine it would be similar...
> 
> Warner
> 
> >

What about devel/samurai, ninja-compatible build tool written in C?

devel/ninja/Makefile has USES= python in it, so it maybe require python
to run or at least build.

In addition, ports framework can use it instead of ninja.
See {PORTSDIR}/Mk/Uses/ninja.mk.


-- 
Tomoaki AOKI    <junchoon@dec.sakura.ne.jp>