1 # $FreeBSD: src/share/mk/bsd.sys.mk,v 1.3.2.5 2002/07/03 16:59:14 des Exp $
3 # This file contains common settings used for building DragonFly
10 .elif ${CSTD} == "c89" || ${CSTD} == "c90"
11 CFLAGS += -std=iso9899:1990
12 .elif ${CSTD} == "c94" || ${CSTD} == "c95"
13 CFLAGS += -std=iso9899:199409
14 .elif ${CSTD} == "c99"
15 CFLAGS += -std=iso9899:1999
17 CFLAGS += -std=${CSTD}
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.
23 .if !defined(NO_WARNS)
26 CWARNFLAGS += -Wmissing-include-dirs -Wsystem-headers
27 . if !defined(NO_WERROR) && ${CCVER:Mgcc*}
32 CWARNFLAGS += -Wall -Wformat-security -Winit-self -Wno-pointer-sign
35 CWARNFLAGS += -Wextra -Wno-unused-parameter -Wstrict-prototypes\
36 -Wmissing-prototypes -Wpointer-arith\
37 -Wold-style-definition
40 CWARNFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\
41 -Wshadow -Wcast-align -Wunused-parameter
44 CWARNFLAGS += -Wchar-subscripts -Winline -Wnested-externs\
47 . if ${WARNS} >= 2 && ${WARNS} <= 4
48 # XXX Delete -Wmaybe-uninitialized by default for now -- the compiler doesn't
49 # XXX always get it right.
51 CWARNFLAGS += -Wno-maybe-uninitialized
53 CWARNFLAGS += -Wno-uninitialized
56 # Activate gcc47's -Wunused-but-set-variable (which is in -Wall) and
57 # -Wunused-but-set-parameter (which is in -Wextra) only at WARNS >= 4
58 # (which is the level when also -Wunused-parameter comes into play).
59 # unused-local-typedef warnings were introduced by gcc4.8, are in -Wall
60 . if ${WARNS} >= 2 && ${WARNS} <= 3 && ${CCVER:Mgcc*}
61 CWARNFLAGS += -Wno-unused-but-set-variable
63 . if ${WARNS} == 3 && ${CCVER:Mgcc*}
64 CWARNFLAGS += -Wno-unused-but-set-parameter
66 . if ${WARNS} == 3 && (${CCVER:Mgcc4[89]} || ${CCVER:Mgcc5*})
67 CWARNFLAGS += -Wno-unused-local-typedefs
69 . if ${WARNS} == 3 && (${CCVER:Mgcc49} || ${CCVER:Mgcc5*})
70 CWARNFLAGS += -Wno-unused-value
72 . if ${WARNS} >= 2 && ${CCVER:Mgcc4[789]}
73 CWARNFLAGS += -Wno-error=maybe-uninitialized\
74 -Wno-error=uninitialized\
79 . if defined(FORMAT_AUDIT)
84 CWARNFLAGS += -Wformat=2 -Wno-format-extra-args
85 . if !defined(NO_WERROR) && ${CCVER:Mgcc*}
92 .if defined(NO_WARRAY_BOUNDS)
93 CWARNFLAGS += -Wno-array-bounds
95 .if defined(NO_STRICT_OVERFLOW)
96 CFLAGS += -fno-strict-overflow
98 .if defined(NO_STRICT_ALIASING)
99 CFLAGS += -fno-strict-aliasing
103 # Allow user-specified additional warning flags
104 CFLAGS += ${CWARNFLAGS}
106 # Tell bmake not to mistake standard targets for things to be searched for
107 # or expect to ever be up-to-date
108 PHONY_NOTMAIN = afterdepend afterinstall all beforedepend beforeinstall \
109 beforelinking build build-tools buildfiles buildincludes \
110 checkdpadd clean cleandepend cleandir cleanobj configure \
111 depend dependall distclean distribute exe extract fetch \
112 html includes install installfiles installincludes lint \
113 obj objlink objs objwarn patch realall realdepend \
114 realinstall regress subdir-all subdir-depend subdir-install \
117 .PHONY: ${PHONY_NOTMAIN}
118 .NOTMAIN: ${PHONY_NOTMAIN}