Author: dim
Date: Sat Dec 31 13:37:25 2011
New Revision: 229087
URL: http://svn.freebsd.org/changeset/base/229087
Log:
MFC r228546:
Clang has more warnings enabled by default, and when using -Wall, so if
WARNS
is set to low values, some of them have to be disabled explicitly.
MFC r228551:
Disable one more clang warning when WARNS <= 3.
MFC r228606:
Add a NO_WARRAY_BOUNDS setting to bsd.sys.mk, only applicable to clang,
to selectively work around warnings in programs that don't use flexible
array members, but instead define arrays of length 1 at the end of the
struct, and then access those beyond their declared bounds.
MFC r228617:
Disable yet another clang warning when WARNS <= 3.
MFC r228675:
Disable yet another clang warning (-Wconversion) when WARNS <= 3.
MFC r228677:
Disable another clang warning (-Wempty-body) when WARNS <= 2.
Modified:
stable/9/share/mk/bsd.sys.mk
Directory Properties:
stable/9/share/mk/ (props changed)
Modified: stable/9/share/mk/bsd.sys.mk
==============================================================================
--- stable/9/share/mk/bsd.sys.mk Sat Dec 31 13:34:42 2011
(r229086)
+++ stable/9/share/mk/bsd.sys.mk Sat Dec 31 13:37:25 2011
(r229087)
@@ -57,6 +57,24 @@ CWARNFLAGS += -Wchar-subscripts -Winline
CWARNFLAGS += -Wno-uninitialized
. endif
CWARNFLAGS += -Wno-pointer-sign
+# Clang has more warnings enabled by default, and when using -Wall, so if WARNS
+# is set to low values, these have to be disabled explicitly.
+. if ${CC:T:Mclang} == "clang"
+. if ${WARNS} <= 3
+CWARNFLAGS += -Wno-tautological-compare -Wno-unused-value\
+ -Wno-parentheses-equality -Wno-unused-function\
+ -Wno-conversion
+. endif
+. if ${WARNS} <= 2
+CWARNFLAGS += -Wno-switch-enum -Wno-empty-body
+. endif
+. if ${WARNS} <= 1
+CWARNFLAGS += -Wno-parentheses
+. endif
+. if defined(NO_WARRAY_BOUNDS)
+CWARNFLAGS += -Wno-array-bounds
+. endif
+. endif
. endif
. if defined(FORMAT_AUDIT)
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