From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: Po Lu <luangruo@yahoo.com>
Cc: Pip Cet <pipcet@protonmail.com>, Eli Zaretskii <eliz@gnu.org>,
emacs-devel@gnu.org
Subject: Re: GCC/clang warning for Complex integers?
Date: Mon, 01 Jul 2024 16:31:58 +0200 [thread overview]
Message-ID: <m2cynxchep.fsf@pro2.fritz.box> (raw)
In-Reply-To: <87sewt5ifa.fsf@yahoo.com> (Po Lu's message of "Mon, 01 Jul 2024 21:51:53 +0800")
Po Lu <luangruo@yahoo.com> writes:
> Pip Cet <pipcet@protonmail.com> writes:
>
>> That doesn't appear to work here. gcc -Wno-error=pedantic -Wpedantic does work, but causes an (easily-fixed) compilation error (I didn't know -W flags could do that!) in seccomp-filter.c, and tons of warnings about things like statement expressions:
>>
>> igc.c:1917:25: warning: imaginary constants are a GCC extension
>> 1917 | ssize_t count_total = 0i;
>> | ^~
>
> This is a preprocessor warning, IIRC, only activated when -Wpedantic.
This seems to work, at least for clang 18. Didn't try GCC further
because it can't build Emacs on macOS:
CFLAGS = -Wgnu-imaginary-constant -g -O0
Gemini said something like that doesn't exist, the source code
disagreed :-).
prev parent reply other threads:[~2024-07-01 14:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-01 8:40 GCC/clang warning for Complex integers? Gerd Möllmann
2024-07-01 11:55 ` Eli Zaretskii
2024-07-01 12:54 ` Pip Cet
2024-07-01 13:51 ` Po Lu
2024-07-01 14:31 ` Gerd Möllmann [this message]
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