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freebsd-dev/share/mk/bsd.sys.mk

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Bring in the WARNS directive from NetBSD, localized in a new bsd.sys.mk 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
2001-05-19 23:18:21 +00:00
# $FreeBSD$
#
# 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
Only add -Werror if in fact we have set WARNS or WFORMAT to >0
2001-05-19 23:32:19 +00:00
. if !defined(NO_WERROR)
CFLAGS += -Werror
. endif
Bring in the WARNS directive from NetBSD, localized in a new bsd.sys.mk 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
2001-05-19 23:18:21 +00:00
. 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
Only add -Werror if in fact we have set WARNS or WFORMAT to >0
2001-05-19 23:32:19 +00:00
. if !defined(NO_WERROR)
Bring in the WARNS directive from NetBSD, localized in a new bsd.sys.mk 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
2001-05-19 23:18:21 +00:00
CFLAGS += -Werror
Only add -Werror if in fact we have set WARNS or WFORMAT to >0
2001-05-19 23:32:19 +00:00
. endif
. endif
Bring in the WARNS directive from NetBSD, localized in a new bsd.sys.mk 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
2001-05-19 23:18:21 +00:00
. endif
.endif
# Allow user-specified additional warning flags
CFLAGS += ${CWARNFLAGS}
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