xref: /dragonfly/share/mk/bsd.sys.mk (revision 9f3fc534) 
1# $FreeBSD: src/share/mk/bsd.sys.mk,v 1.3.2.5 2002/07/03 16:59:14 des Exp $
2# $DragonFly: src/share/mk/bsd.sys.mk,v 1.12 2008/11/14 15:04:42 swildner Exp $
3#
4# This file contains common settings used for building DragonFly
5# sources.
6
7# Enable various levels of compiler warning checks.  These may be
8# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
9
10.if !defined(NO_WARNS)
11. if defined(CSTD)
12.  if ${CSTD} == "k&r"
13CFLAGS		+= -traditional
14.  elif ${CSTD} == "c89" || ${CSTD} == "c90"
15CFLAGS		+= -std=iso9899:1990
16.  elif ${CSTD} == "c94" || ${CSTD} == "c95"
17CFLAGS		+= -std=iso9899:199409
18.  elif ${CSTD} == "c99"
19CFLAGS		+= -std=iso9899:1999
20.  else
21CFLAGS		+= -std=${CSTD}
22.  endif
23. endif
24. if defined(WARNS)
25.  if ${WARNS} >= 1
26CWARNFLAGS	+=	-Wsystem-headers
27.   if defined(WARNS_WERROR) && !defined(NO_WERROR)
28CWARNFLAGS	+=	-Werror
29.   endif
30.  endif
31.  if ${WARNS} >= 2
32CWARNFLAGS	+=	-Wall
33.  endif
34.  if ${WARNS} >= 3
35CWARNFLAGS	+=	-W -Wno-unused-parameter -Wstrict-prototypes\
36			-Wmissing-prototypes -Wpointer-arith
37.  endif
38.  if ${WARNS} >= 4
39CWARNFLAGS	+=	-Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\
40			-Wshadow -Wcast-align -Wunused-parameter
41.  endif
42.  if ${WARNS} >= 6
43CWARNFLAGS	+=	-Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
44.  endif
45.  if ${WARNS} >= 2 && ${WARNS} <= 4
46# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
47# XXX always get it right.
48CWARNFLAGS	+=	-Wno-uninitialized
49.  endif
50. endif
51
52. if defined(FORMAT_AUDIT)
53WFORMAT		=	1
54. endif
55. if defined(WFORMAT)
56.  if ${WFORMAT} > 0
57CWARNFLAGS	+=	-Wformat=2 -Wno-format-extra-args
58.   if defined(WARNS_WERROR) && !defined(NO_WERROR)
59CWARNFLAGS	+=	-Werror
60.   endif
61.  endif
62. endif
63.endif
64
65# Allow user-specified additional warning flags
66CFLAGS		+=	${CWARNFLAGS}
67