svn commit: r278679 - stable/10/sys/conf

[Ian Lepore]

Author: ian
Date: Fri Feb 13 16:08:45 2015
New Revision: 278679
URL: https://svnweb.freebsd.org/changeset/base/278679

Log:
  MFC r276666:
  
    Eliminate uninitialized variable warnings in kernel and module builds when
    building with gcc 4.2

Modified:
  stable/10/sys/conf/kern.mk
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/conf/kern.mk
==============================================================================
--- stable/10/sys/conf/kern.mk	Fri Feb 13 15:41:28 2015	(r278678)
+++ stable/10/sys/conf/kern.mk	Fri Feb 13 16:08:45 2015	(r278679)
@@ -33,6 +33,11 @@ CWARNEXTRA?=	-Wno-error-tautological-com
 		${NO_WFORMAT}
 .endif
 
+.if ${COMPILER_TYPE} == "gcc"
+# For gcc 4.2, eliminate the too-often-wrong warnings about uninitialized vars.
+CWARNEXTRA?=	-Wno-uninitialized
+.endif
+
 # External compilers may not support our format extensions.  Allow them
 # to be disabled.  WARNING: format checking is disabled in this case.
 .if ${MK_FORMAT_EXTENSIONS} == "no"