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freebsd/share/mk/bsd.sys.mk
David E. O'Brien 328c7f1d7d Add some granularity to the WARNS levels.
1:  add -Werror
2:  -Wall [only], as this is the most used warnings setting by developers
3:  our old `1'
4:  our old `2'
2001-12-15 06:02:15 +00:00

45 lines
1.0 KiB
Makefile

# $FreeBSD$
#
# 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
. if !defined(NO_WERROR)
CFLAGS += -Werror
. endif
. endif
. if ${WARNS} > 1
CFLAGS += -Wall
# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
# XXX always get it right.
CFLAGS += -Wno-uninitialized
. endif
. if ${WARNS} > 2
CFLAGS += -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
. endif
. if ${WARNS} > 3
CFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align
. endif
. endif
. if defined(FORMAT_AUDIT)
WFORMAT = 1
. endif
. if defined(WFORMAT)
. if ${WFORMAT} > 0
CFLAGS += -Wnon-const-format -Wno-format-extra-args
. if !defined(NO_WERROR)
CFLAGS += -Werror
. endif
. endif
. endif
.endif
# Allow user-specified additional warning flags
CFLAGS += ${CWARNFLAGS}