GNU bug report logs - #26398
26.0.50; GNU LIB build fails on macOS 10.12.4

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Harald Maier <Harald <at> Maierh.de>
Cc: Gnulib bugs <bug-gnulib <at> gnu.org>, Zack Weinberg <zackw <at> panix.com>, 26398 <at> debbugs.gnu.org
Subject: bug#26398: GNU LIB build fails on macOS 10.12.4
Date: Sat, 8 Apr 2017 02:38:21 -0700

[Message part 1 (text/plain, inline)]

Harald Maier wrote:
> They __THROW and __nonnull are defined in „getopt_cdefs.h“.

Thanks, I think I see the problem. Either the compiler or some macOS header does 
"#define __nonnull _Nonnull", and this collides with glibc's use of __nonnull. 
Presumably Clang uses _Nonnull as a type qualifier and some Clang headers use 
__nonnull as an alias for _Nonnull.

Please try the attached patch against Emacs master. If it works I plan to 
install it into Emacs and propagate it into Gnulib.

[emacs.diff (text/x-diff, attachment)]

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