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Re: [PATCH 16/17] Regex: Define __USE_GNU for non-GLIBC systems.
Joseph Myers <email@example.com> wrote:
> On Fri, 8 Dec 2017, Arnold Robbins wrote:
> > This patch defines __USE_GNU for non-GLIBC systems. For example, *BSD
> > need it.
> _LIBC refers to glibc being *built*. This change would cause the header
> to expose inappropriate symbols when used in an installation of glibc.
> Joseph S. Myers
There don't seem to be other uses of _LIBC in the regex.h header.
All I know is that the __USE_GNU is needed on non-GLIBC systems.
Removing that bit doesn't affect compiling on Linux, nor does having
So, I don't see the harm in it, but I'm not a GLIBC guy, so I'm
probably still missing something.