[Mesa-dev] More gratitude for Meson

[Ilia Mirkin]

On Wed, Nov 1, 2017 at 7:03 PM, Dylan Baker <dylan at pnwbakers.com> wrote:
> Quoting Ilia Mirkin (2017-11-01 15:52:56)
>> On Wed, Nov 1, 2017 at 6:49 PM, Chad Versace <chadversary at chromium.org> wrote:
>> > On Wed 01 Nov 2017, Dylan Baker wrote:
>> >> Quoting Chad Versace (2017-11-01 14:43:28)
>> >> > Wow. 10 seconds from a clean checkout to an installed Vulkan driver.
>> >
>> >> Glad that it's working out for you guys!
>> >>
>> >> Can I convince you to wire the anvil and i965 android/arc++ bits? ;)
>> >>
>> >> JFYI, the meson build will (I consider it a bug if it doesn't) turn off all
>> >> glapi, egl, and glx if there are no dri or gallium drivers built unless you
>> >> force them on.
>> >
>> > Thanks for turning that stuff off. Last time I tried to build just
>> > Vulkan without GL (maybe 1.5 years ago), Autotools didn't allow it. It
>> > insisted that i965 was a build dependency for anvil.
>> >
>> >> It also avoids building the glsl compiler unless there's a driver
>> >> that uses it.
>> >
>> > I expected the buildtime to be much longer because I expected it to
>> > build the GLSL compiler too. I was surprised and happy to discover that
>> > it builds only the SPIR-V compiler.
>> >
>> >> And it defaults to debug, which might be surprising, but people
>> >> around here thought that default debug is a feature.
>> >
>> > Huh... For infrastructure projects like Mesa (as opposed to test
>> > projects like Piglit), I expect the default build to be the release
>> > build. But I can understand why others would want default=debug.
>>
>> autotools defaults to debug disabled. I think that's how almost every
>> project does it... debug enabled is definitely a surprise.
>>
>>   -ilia
>
> Well, for distros they likely want to set the buildtype to plain (meson adds no
> compiler flags except ones the project defines), and then add their default
> flags via CFLAGS and CXXFLAGS. That is certainly *not* what anyone except a
> distro (or some kind of build infrastructure like jenkins or gentoo) would want.
> Xorg's default is debugoptimzed, for reference.

--enable-debug enables -DDEBUG in mesa. Are you saying that this is
the default? Or are you just saying that you're not adding extra
-O100073 options?