[Mesa-dev] last call for autotools

[Marek Olšák]

On Wed, Dec 12, 2018 at 5:14 PM Dylan Baker <dylan at pnwbakers.com> wrote:

> Quoting Marek Olšák (2018-12-12 12:42:01)
> > Most assertions and checks are enabled, because NDEBUG is not defined,
> but
> > DEBUG is not defined either, which is a Mesa-specific definition.
> >
> > The default debug build for autotools is debugoptimized (-g -O2
> -DDEBUG). meson
> > changed that behavior by removing -DDEBUG. Autotools doesn't have what
> meson
> > calls "debug", which indicates that most people don't want to use
> "debug" much.
> > People who wanted to -O0 had to set CFLAGS. Now people who want the
> autotools
> > debug build have to add -DDEBUG into CFLAGS.
> >
> > On top of that, I discovered a 3rd issue with meson:
> > * meson --reconfigure doesn't re-run llvm-config.
> >
> > Marek
>
> Don't use --reconfigure, you're abusing it to get it to do what you want.
> --reconfigure is for handling cases where an option has been removed or
> renamed
> and meson can't figure out how to fix it itself, so you smash it with a
> hammer.
> meson configure has an option to force llvm-config (and all dependencies)
> to be
> rechecked. In your wrapper script you'd be better off with something like:
>
> if [ ! -a $BUILDDIR ]; then
>     meson $BUILDDIR $OPTIONS
> else
>     meson configure $BUILDDIR $OPTIONS --clearcache
> fi
>

I'll just do rm -r $BUILDDIR instead of relying on various options that
might get broken.

Marek
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