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Bring in the WARNS directive from NetBSD, localized in a new bsd.sys.mk

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to avoid polluting sys.mk.  This directive controls the addition of
compiler warning flags to CFLAGS in a relatively compiler-neutral manner.

The idea is that WARNS can be set in Makefile.inc or in individual
Makefiles as they become clean, to prevent the introduction of new
warnings in the code.  -Werror is added by default
This commit is contained in:
Kris Kennaway 2001-05-19 23:18:21 +00:00
parent a514569e9a
commit d510ecb42b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=76861
5 changed files with 44 additions and 1 deletions
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2
share/mk/Makefile
View File

@ -5,7 +5,7 @@ FILES= bsd.README
FILES+= bsd.cpu.mk bsd.dep.mk bsd.doc.mk bsd.docb.mk bsd.info.mk bsd.kern.mk bsd.kmod.mk
FILES+= bsd.lib.mk bsd.libnames.mk bsd.man.mk bsd.obj.mk bsd.own.mk
FILES+= bsd.port.mk bsd.port.post.mk bsd.port.pre.mk bsd.port.subdir.mk
FILES+= bsd.prog.mk bsd.sgml.mk bsd.subdir.mk
FILES+= bsd.prog.mk bsd.sgml.mk bsd.subdir.mk bsd.sys.mk
FILES+= sys.mk
NOOBJ= noobj

2
share/mk/bsd.kmod.mk
View File

@ -11,3 +11,5 @@ SYSDIR= ${_dir}
.endif
.include "${SYSDIR}/conf/kmod.mk"
.include <bsd.sys.mk>

2
share/mk/bsd.lib.mk
View File

@ -375,3 +375,5 @@ ${OBJS} ${STATICOBJS} ${POBJS} ${SOBJS}: ${SRCS:M*.h}
.endif
.include <bsd.obj.mk>
.include <bsd.sys.mk>

2
share/mk/bsd.prog.mk
View File

@ -222,3 +222,5 @@ ${OBJS}: ${SRCS:M*.h}
.endif
.include <bsd.obj.mk>
.include <bsd.sys.mk>

37
share/mk/bsd.sys.mk Normal file
View File

@ -0,0 +1,37 @@
# $FreeBSD$
#
# This file contains common settings used for building FreeBSD
# sources.
# Enable various levels of compiler warning checks. These may be
# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
.if !defined(NO_WARNS)
. if defined(WARNS)
. if ${WARNS} > 0
CFLAGS += -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
# XXX always get it right.
CFLAGS += -Wno-uninitialized
. endif
. if ${WARNS} > 1
CFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow
. endif
. endif
. if defined(FORMAT_AUDIT)
WFORMAT = 1
. endif
. if defined(WFORMAT)
. if ${WFORMAT} > 0
CFLAGS += -Wnon-const-format -Wno-format-extra-args
. endif
. endif
. if !defined(NO_WERROR)
CFLAGS += -Werror
. endif
.endif
# Allow user-specified additional warning flags
CFLAGS += ${CWARNFLAGS}