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From: root <NoEMail@home.org>
Newsgroups: comp.os.linux.misc
Subject: Re: Compiler utility
Date: Fri, 7 Feb 2025 17:49:16 -0000 (UTC)
Organization: Linux Advocacy
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Richard Kettlewell <invalid@invalid.invalid> wrote:
> root <NoEMail@home.org> writes:
>> Does anyone know of a compiler add-on which will
>> read existing code, and insert type (int) when
>> the routine is not explicitly given?
>
> No add-on needed, just have a look at the manual, specifically:
>   https://gcc.gnu.org/onlinedocs/gcc-14.1.0/gcc/Standards.html#C-Language
>

Thanks Richard, but, also looking at the dialect link, what option
should I use to mimic gcc version 11.2.0 (GCC) or 12.2, either of
which compiles my stuff without a problem. I have tried std=gnu89
but that didn't work. I tried other stuff of the form -Wno-implicit-init
or something like that that compiler suggested but no change with
that.

It might be that gnu89 would compile my most really old stuff,
but since then I have adapted to newer compilers that gnu89
doesn't like. There are 1,354 .c files, and as I said, over
1,045,000 lines of code. I am too old to fix them in my
remaining lifetime.