[Mesa-dev] [RFC libdrm 0/2] Replace the build system with meson

[Dylan Baker]

Quoting Colin Cross (2017-03-23 15:14:16)
> On Thu, Mar 23, 2017 at 2:56 PM, Greg Hackmann <ghackmann at google.com> wrote:
> > On 03/22/2017 02:48 PM, Rob Clark wrote:
> >>
> >> On Wed, Mar 22, 2017 at 4:10 PM, Dylan Baker <dylan at pnwbakers.com> wrote:
> >>>
> >>> Quoting Rob Clark (2017-03-22 10:07:54)
> >>>>
> >>>> I guess an interesting question (from someone who doesn't know meson
> >>>> yet) would be whether meson could slurp in the Makefile.sources type
> >>>> stuff that we have, which are shared so far between
> >>>> android/scons/autotools (and for the most part, kept developers from
> >>>> having to care *too* much about the different build systems)
> >>>
> >>>
> >>> Jason and I have talked about that too. I'd suggested that we could write
> >>> a
> >>> module for meson to read makefile.sources (since we're surely not the
> >>> only
> >>> project that would benefit from such a module), except that android is
> >>> moving to
> >>> blueprint[1] instead of android.mk files. As far as I can tell blueprint
> >>> doesn't
> >>> support using makefile.sources, so it seems somewhat moot in a world of
> >>> blueprint for android, meson for *.
> >>
> >>
> >> I guess even if it is only a temporary thing, something that could
> >> slurp in Makefile.sources seems like it would be useful for a
> >> transition period.
> >>
> >> I'm not totally up to speed on android/blueprint stuff.. but even some
> >> simplified or different "here-are-my-sources" type file that could be
> >> shared across build systems would be useful.  Meson sounds a bit more
> >> extensible so maybe there is some potential to adapt to whatever
> >> android forces on us ;-)
> >
> >
> > +ccross from the Android build team can hopefully provide some input here.
> 
> For cases like this, we generally add a python script that translates
> the build files into something Blueprint understands, and rerun it
> each time we import into the project.
> 
> Alternatively, Blueprint efficiently supports globbing for sources, so
> if all the source files are always listed in Makefile.sources (which
> seems to be true in our copy of libdrm except for intel/test_decode.c)
> then we could use globs and ignore the makefiles, possibly manually
> excluding a few files.

I'm hoping you can clarify a couple of questions I have about blueprint:
1) android is moving to blueprint from android.mk files?
2) is there a publicly available project that uses blueprint I could look at?
   The documentation I've been able to find is pretty sparse.

Dylan
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