xref: /dragonfly/share/mk/bsd.sys.mk (revision 0dace59e) 
1# $FreeBSD: src/share/mk/bsd.sys.mk,v 1.3.2.5 2002/07/03 16:59:14 des Exp $
2#
3# This file contains common settings used for building DragonFly
4# sources.
5
6CSTD?=	gnu99
7
8.if ${CSTD} == "k&r"
9CFLAGS		+= -traditional
10.elif ${CSTD} == "c89" || ${CSTD} == "c90"
11CFLAGS		+= -std=iso9899:1990
12.elif ${CSTD} == "c94" || ${CSTD} == "c95"
13CFLAGS		+= -std=iso9899:199409
14.elif ${CSTD} == "c99"
15CFLAGS		+= -std=iso9899:1999
16.else
17CFLAGS		+= -std=${CSTD}
18.endif
19
20# Enable various levels of compiler warning checks.  These may be
21# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
22
23.if !defined(NO_WARNS)
24. if defined(WARNS)
25.  if ${WARNS} >= 1
26CWARNFLAGS	+=	-Wmissing-include-dirs -Wsystem-headers
27.   if !defined(NO_WERROR) && (${CCVER} == "gcc44" || ${CCVER} == "gcc47")
28CWARNFLAGS	+=	-Werror
29.   endif
30.  endif
31.  if ${WARNS} >= 2
32CWARNFLAGS	+=	-Wall -Wno-pointer-sign
33.  endif
34.  if ${WARNS} >= 3
35CWARNFLAGS	+=	-Wextra -Wno-unused-parameter -Wstrict-prototypes\
36			-Wmissing-prototypes -Wpointer-arith\
37			-Wold-style-definition
38.  endif
39.  if ${WARNS} >= 4
40CWARNFLAGS	+=	-Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\
41			-Wshadow -Wcast-align -Wunused-parameter
42.  endif
43.  if ${WARNS} >= 6
44CWARNFLAGS	+=	-Wchar-subscripts -Winline -Wnested-externs\
45			-Wredundant-decls
46.  endif
47.  if ${WARNS} >= 2 && ${WARNS} <= 4
48# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
49# XXX always get it right.
50CWARNFLAGS	+=	-Wno-uninitialized
51.  endif
52# Activate gcc47's -Wunused-but-set-variable (which is in -Wall) and
53# -Wunused-but-set-parameter (which is in -Wextra) only at WARNS >= 4
54# (which is the level when also -Wunused-parameter comes into play).
55.  if ${WARNS} >= 2 && ${WARNS} <= 3 && ${CCVER} == "gcc47"
56CWARNFLAGS	+=	-Wno-unused-but-set-variable
57.  endif
58.  if ${WARNS} == 3 && ${CCVER} == "gcc47"
59CWARNFLAGS	+=	-Wno-unused-but-set-parameter
60.  endif
61. endif
62
63. if defined(FORMAT_AUDIT)
64WFORMAT		=	1
65. endif
66. if defined(WFORMAT)
67.  if ${WFORMAT} > 0
68CWARNFLAGS	+=	-Wformat=2 -Wno-format-extra-args
69.   if !defined(NO_WERROR) && (${CCVER} == "gcc47" || ${CCVER} == "gcc44")
70CWARNFLAGS	+=	-Werror
71.   endif
72.  endif
73. endif
74.endif
75
76# Allow user-specified additional warning flags
77CFLAGS		+=	${CWARNFLAGS}
78
79# Tell bmake not to mistake standard targets for things to be searched for
80# or expect to ever be up-to-date
81PHONY_NOTMAIN = afterdepend afterinstall all beforedepend beforeinstall \
82	beforelinking build build-tools buildfiles buildincludes \
83	checkdpadd clean cleandepend cleandir cleanobj configure \
84	depend dependall distclean distribute exe extract fetch \
85	html includes install installfiles installincludes lint \
86	obj objlink objs objwarn patch realall realdepend \
87	realinstall regress subdir-all subdir-depend subdir-install \
88	tags whereobj
89
90.PHONY: ${PHONY_NOTMAIN}
91.NOTMAIN: ${PHONY_NOTMAIN}
92