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Subject: Re: How to explain this syntax?
From: Xi Ruoyao <xry111@xry111.site>
To: Andy <borucki.andrzej@gmail.com>
Cc: gcc-help@gcc.gnu.org
Date: Wed, 19 Apr 2023 20:41:48 +0800
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On Wed, 2023-04-19 at 14:35 +0200, Andy via Gcc-help wrote:
> I don't learn C, but I am writing c90 Antlr grammar which should be as
> compatible with GCC as possible.
> I see many GNU extension, one is most significant is nested functions,
> but all code is compilable with GCC with std=3Dc90, not need std=3Dgnu90,
> although some code is compilable only with std=3Dgnu90

-pedantic-errors will reject most GNU extensions if you don't want them.

--=20
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University