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bug#43167: 28.0.50; Cannot build on MacOS due to -std=c99 change in conf
From: |
Alan Third |
Subject: |
bug#43167: 28.0.50; Cannot build on MacOS due to -std=c99 change in configure.ac |
Date: |
Thu, 3 Sep 2020 22:58:30 +0200 (CEST) |
On Tue, Sep 01, 2020 at 10:44:07PM -0700, Keith Irwin wrote:
> I’ve been unable to build Emacs from the master branch for the past
> several days on MacOS (Big Sur). Previously, compiling on Big Sur
> worked.
>
> I get the following error:
>
>
> CC fringe.o
> CC image.o
> CC json.o
> CC nsterm.o
> In file included from nsterm.m:46:
> ./lisp.h:1237:24: error: implicit declaration of function 'typeof' is
> invalid in
> C99 [-Werror,-Wimplicit-function-declaration]
> return USE_LSB_TAG ? make_fixnum (n) : XIL (n + (int0 << VALBITS));
Ah, useful, now GCC won't build without -std=c99, but clang won't
build WITH it. 🙄
And the irony is that both versions I have direct access to don't care
either way.
Right, I'll have to add a test, I suppose.
Done, and pushed to master. I've checked it compiles here, but it was
working anyway, so please give it another go and let us know how it
goes.
Thanks!
--
Alan Third