[Mesa-dev] last call for autotools

[Dylan Baker]

Quoting Marek Olšák (2018-12-12 14:27:21)
> 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

If that's what you want to do.

Dylan
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