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Select appropriate PG_PRINTF_ATTRIBUTE for recent NetBSD.

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NetBSD-current generates a large number of warnings about "%m" not
being appropriate to use with *printf functions.  While that's true
for their native printf, it's surely not true for snprintf.c, so I
think they have misunderstood gcc's definition of the "gnu_printf"
archetype.  Nonetheless, choosing "__syslog__" instead silences the
warnings; so teach configure about that.

Since this is only a cosmetic warning issue (and anyway it depends
on previous hacking to be self-consistent), no back-patch.

Discussion: https://postgr.es/m/16785.1539046036@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2018-10-09 11:10:07 -04:00
parent c481016201
commit aed9fa0bd8
3 changed files with 62 additions and 18 deletions
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2
src/include/pg_config.h.in
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@ -804,7 +804,7 @@
/* PostgreSQL major version as a string */
#undef PG_MAJORVERSION
/* Define to gnu_printf if compiler supports it, else printf. */
/* Define to best printf format archetype, usually gnu_printf if available. */
#undef PG_PRINTF_ATTRIBUTE
/* PostgreSQL version as a string */