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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Mon, 7 Mar 2011 09:28:21 +0000 (UTC)
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Subject: svn commit: r219368 - head/share/mk
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Author: pjd
Date: Mon Mar  7 09:28:21 2011
New Revision: 219368
URL: http://svn.freebsd.org/changeset/base/219368

Log:
  To be able to use printf extensions we need to turn off gcc format checking.
  Following the convention of NO_WERROR and NO_WCAST_ALIGN add NO_WFORMAT,
  which, when defined in Makefile, turns off compile-time format checking
  (by adding -Wno-format), but still allows to use high WARNS level.
  
  MFC after:	2 weeks

Modified:
  head/share/mk/bsd.sys.mk

Modified: head/share/mk/bsd.sys.mk
==============================================================================
--- head/share/mk/bsd.sys.mk	Mon Mar  7 09:04:06 2011	(r219367)
+++ head/share/mk/bsd.sys.mk	Mon Mar  7 09:28:21 2011	(r219368)
@@ -73,6 +73,9 @@ CWARNFLAGS	+=	-Werror
 .   endif
 .  endif
 . endif
+. if defined(NO_WFORMAT)
+CWARNFLAGS	+=	-Wno-format
+. endif
 .endif
 
 .if defined(IGNORE_PRAGMA)