freebsd-dev/share/mk/bsd.sys.mk
obrien 1e4c55447c Move -Wunused-parameter from WARNS level 3 level 4.
Also break long lines -- note that the '\' must be up against the last
character of a line to keep command-line spacing proper.

Requested by:	rwatson
2005-01-16 21:18:16 +00:00

57 lines
1.5 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.
# for GCC: http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143
.if !defined(NO_WARNS) && ${CC} != "icc"
. if defined(WARNS)
. if ${WARNS} >= 1
CWARNFLAGS += -Wsystem-headers
. if !defined(NO_WERROR)
CWARNFLAGS += -Werror
. endif
. endif
. if ${WARNS} >= 2
CWARNFLAGS += -Wall -Wno-format-y2k
. endif
. if ${WARNS} >= 3
CWARNFLAGS += -W -Wno-unused-parameter -Wstrict-prototypes\
-Wmissing-prototypes -Wpointer-arith
. endif
. if ${WARNS} >= 4
CWARNFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\
-Wshadow -Wcast-align -Wunused-parameter
. endif
# BDECFLAGS
. if ${WARNS} >= 6
CWARNFLAGS += -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
. endif
. if ${WARNS} >= 2 && ${WARNS} <= 4
# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
# XXX always get it right.
CWARNFLAGS += -Wno-uninitialized
. endif
. endif
. if defined(FORMAT_AUDIT)
WFORMAT = 1
. endif
. if defined(WFORMAT)
. if ${WFORMAT} > 0
#CWARNFLAGS += -Wformat-nonliteral -Wformat-security -Wno-format-extra-args
CWARNFLAGS += -Wformat=2 -Wno-format-extra-args
. if !defined(NO_WERROR)
CWARNFLAGS += -Werror
. endif
. endif
. endif
.endif
# Allow user-specified additional warning flags
CFLAGS += ${CWARNFLAGS}