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} == "gcc47" || ${CCVER} == "gcc50")
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 . if ${WARNS} >= 2 && ${WARNS} <= 3 && ${CCVER:Mgcc*}
60 CWARNFLAGS += -Wno-unused-but-set-variable
62 . if ${WARNS} == 3 && ${CCVER:Mgcc*}
63 CWARNFLAGS += -Wno-unused-but-set-parameter
65 . if ${WARNS} == 3 && (${CCVER:Mgcc49} || ${CCVER:Mgcc[5-]*})
66 CWARNFLAGS += -Wno-unused-value
68 . if ${WARNS} >= 2 && ${CCVER:Mgcc4[789]}
69 CWARNFLAGS += -Wno-error=maybe-uninitialized\
70 -Wno-error=uninitialized\
73 # Disable -Werror selectively for -Os and -Og compilations. Both -Winline and
74 # -Wmaybe-uninitialized are noisy and should be caught by standard -O and -O2.
75 # These are still useful diagnostics while investigating compilation issues.
76 . if defined(WORLD_CCOPTLEVEL) && (${WORLD_CCOPTLEVEL:Mg} || ${WORLD_CCOPTLEVEL:Ms})
78 CWARNFLAGS += -Wno-error=inline
80 . if ${WARNS} >= 5 && ${CCVER:Mgcc*}
81 CWARNFLAGS += -Wno-error=maybe-uninitialized
86 . if defined(FORMAT_AUDIT)
91 CWARNFLAGS += -Wformat=2 -Wno-format-extra-args
92 . if !defined(NO_WERROR) && (${CCVER} == "gcc47" || ${CCVER} == "gcc50")
99 .if defined(NO_WARRAY_BOUNDS)
100 CWARNFLAGS += -Wno-array-bounds
102 .if defined(NO_STRICT_OVERFLOW)
103 CFLAGS += -fno-strict-overflow
105 .if defined(NO_STRICT_ALIASING)
106 CFLAGS += -fno-strict-aliasing
110 # Allow user-specified additional warning flags
111 CFLAGS += ${CWARNFLAGS}
113 # Tell bmake not to mistake standard targets for things to be searched for
114 # or expect to ever be up-to-date
115 PHONY_NOTMAIN = afterdepend afterinstall all beforedepend beforeinstall \
116 beforelinking build build-tools buildfiles buildincludes \
117 checkdpadd clean cleandepend cleandir cleanobj configure \
118 depend dependall distclean distribute exe extract fetch \
119 html includes install installfiles installincludes lint \
120 obj objlink objs objwarn patch realall realdepend \
121 realinstall regress subdir-all subdir-depend subdir-install \
124 # if given PROG matches anything in the PHONY list, exclude it.
125 .PHONY: ${PHONY_NOTMAIN:N${PROG:U}}
126 .NOTMAIN: ${PHONY_NOTMAIN}