Re: Patch so gl_UNKNOWN_WARNINGS_ARE_ERRORS can be used with Objective C again

[Bruno Haible]

Hi Eric,

> Previously I used to use the gl_WARN_ADD autoconf macro from gnulib to
> test whether the compiler supports specific Objective C warning flags.
> After recent gnulib changes to make gl_UNKNOWN_WARNINGS_ARE_ERRORS
> language-specific, this broke. Attached is a patch to fix that.

Thanks. Patch applied.

> I'm pretty sure I already have a copyright assignment on file for gnulib,
> but if not, this patch should be trivial enough to apply anyways.

Indeed, the patch being nearly entirely a copy-and-paste of a block of code
a couple of lines ahead, it does not require a copyright assignment.

Do you also want to provide a 'build-aux/gobjc-warning.spec' file and
a 'm4/manywarnings-objc.m4' file? Or don't you use the 'manywarnings' module?

Bruno