Fix -Wundef warning in user-included header lib/cdefs.h.
commit29c98faf72b235e8add44509eeabd9ccf9f49043
authorTim Rühsen <tim.ruehsen@gmx.de>
Wed, 3 Jan 2018 10:50:07 +0000 (3 11:50 +0100)
committerBruno Haible <bruno@clisp.org>
Thu, 4 Jan 2018 09:59:48 +0000 (4 10:59 +0100)
treec3d365e522dd14b81511ac82b195f3bc947dd529
parentb8ecba3a2559f01539ed76817bc2a0cf4977ea46
Fix -Wundef warning in user-included header lib/cdefs.h.

* lib/cdefs.h: Check if defined before using __USE_FORTIFY_LEVEL.
ChangeLog
lib/cdefs.h