[PATCH 06/13] Installed header hygiene (BZ#20366): Macros used in #if without checking whether they are defined.
Joseph Myers
joseph@codesourcery.com
Wed Sep 21 18:05:00 GMT 2016
On Wed, 21 Sep 2016, Carlos O'Donell wrote:
> At a high level I would expect _LIBC to always be defined as either 0 or 1.
_LIBC is effectively with external code, because it's used (with #if) in
code shared by gnulib. So we can't change its semantics like that;
defining to 0 with installed glibc would break building gnulib.
--
Joseph S. Myers
joseph@codesourcery.com
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