Re: [PATCH v2 1/2] Makefile: deprecate in favor of Meson

David Gibson <[email protected]> Wed, 30 Apr 2025 22:20:33 +0700

Newsgroups	org.kernel.vger.devicetree-compiler
Message-ID	<aBI_wad4TnNRCTWA@zatzit>

On Wed, Apr 30, 2025 at 11:10:20AM -0400, Eli Schwartz wrote:
> On 4/30/25 10:56 AM, David Gibson wrote:
> >> +$(warning WARNING: Building dtc using the Makefile is deprecated, in favor of using the Meson build system instead.)
> >> +$(warning )
> >> +$(warning https://mesonbuild.com)
> > 
> > For succinctness, I suggest:
> > 
> > WARNING: Building dtc using make is deprecated in favour of using Meson (https://mesonbuild.com)
> > 
> > Note that British/Australian spelling is preferred for this project, hence "favour".
> 
> 
> Yup, sounds reasonable. :)
> 
> 
> >> +$(warning )
> >> +$(warning Use `meson setup builddir/ && ninja -C builddir/` to build, or `meson configure` to see build options.)
> > 
> > I'd prefer to suggest "meson compile -C builddir" here, rather than
> > directly invoking ninja, and I'd also like to list "meson test -C
> > builddir" as the replacement for "make check".
> 
> 
> As you wish, of course. But note that "meson compile" is a dispatching
> command that first checks whether the build has been setup using a
> non-default --backend option instead of the default ninja:
> 
> - Microsoft msbuild
> - Apple xcode
> 
> and then determines which of the three to run. So if you decide to run
> "meson compile -C builddir/" it will just in turn run, on your behalf,
> "ninja -C builddir/".

I'm aware.

> It also has the side effect of, if your compiler is MSVC cl.exe, loading
> vcvarsall.bat before dispatching to ninja, as a workaround for
> 
> https://github.com/ninja-build/ninja/issues/1610
> 
> None of that matters for dtc, I guess. :)

Well.. maybe.  Since it's not tested, it probably doesn't work, but
AFAIK there's no inherent reason dtc couldn't be built on MSVC or
xcode.  That's why I'd prefer to list the more broadly correct
command.

-- 
David Gibson (he or they)	| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you, not the other way
				| around.
http://www.ozlabs.org/~dgibson

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