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Re: undefined behaviour findings in bitset

From: Paul Eggert
Subject: Re: undefined behaviour findings in bitset
Date: Sun, 17 Mar 2019 11:56:10 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1

Akim Demaille wrote:
Wouldn't it be useful to have a file that defines macros such as GL_GCC_VERSION

libc-config.h defines __GNUC_PREREQ, which is the most common spelling for such a macro. It's in the libc-config module. This was originally designed for code shared with glibc but can be used elsewhere.

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