From: Phil Pennock <pdp@exim.org>
Date: Thu, 24 May 2012 03:43:20 +0000 (-0400)
Subject: _ISOC99_SOURCE -> _GNU_SOURCE
X-Git-Tag: exim-4_80_RC5^0
X-Git-Url: https://git.exim.org/users/jgh/exim.git/commitdiff_plain/57eb9e91fe084ad434fcc286f0135e89b658c213?hp=57eb9e91fe084ad434fcc286f0135e89b658c213

_ISOC99_SOURCE -> _GNU_SOURCE

_ISOC99_SOURCE broke build on Linux (Ubuntu 11.10) because it broke <resolv.h>, <arpa/nameser.h>, etc.
Their u_char and u_int usage relies upon BSD source being enabled too.  So use _GNU_SOURCE.
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