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
6 # Support handling -W flags for both host cc and target cc.
7 .if defined
(__USE_HOST_CCVER
)
16 CFLAGS
+= -traditional
17 .elif
${CSTD} == "c89" ||
${CSTD} == "c90"
18 CFLAGS
+= -std
=iso9899
:1990
19 .elif
${CSTD} == "c94" ||
${CSTD} == "c95"
20 CFLAGS
+= -std
=iso9899
:199409
21 .elif
${CSTD} == "c99"
22 CFLAGS
+= -std
=iso9899
:1999
24 CFLAGS
+= -std
=${CSTD}
27 # Explicitly clear _cnowarnflags (should not be used in Makefiles).
30 # Enable various levels of compiler warning checks. These may be
31 # overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
33 .if
!defined
(NO_WARNS
)
36 CWARNFLAGS
+= -Wmissing-include-dirs
-Wsystem-headers
37 . if
!defined
(NO_WERROR
) && (${_WCCVER} == "gcc47" ||
${_WCCVER} == "gcc50")
42 CWARNFLAGS
+= -Wall
-Wformat-security
-Winit-self
43 _cnowarnflags
+= -Wno-pointer-sign
46 CWARNFLAGS
+= -Wextra
-Wstrict-prototypes\
47 -Wmissing-prototypes
-Wpointer-arith\
48 -Wold-style-definition
49 _cnowarnflags
+= -Wno-unused-parameter
52 CWARNFLAGS
+= -Wreturn-type
-Wcast-qual
-Wwrite-strings
-Wswitch\
53 -Wshadow
-Wcast-align
-Wunused-parameter
56 CWARNFLAGS
+= -Wchar-subscripts
-Winline
-Wnested-externs\
59 . if
${WARNS} >= 2 && ${WARNS} <= 4
60 # XXX Delete -Wmaybe-uninitialized by default for now -- the compiler doesn't
61 # XXX always get it right.
63 _cnowarnflags
+= -Wno-maybe-uninitialized
65 _cnowarnflags
+= -Wno-uninitialized
68 # Delete -Wformat-* family that give little benefits, same for stringop.
69 . if
${WARNS} >= 2 && ${WARNS} <= 6 && ${_WCCVER
:Mgcc8
*}
70 _cnowarnflags
+= -Wno-format-overflow
-Wno-format-truncation
71 _cnowarnflags
+= -Wno-stringop-truncation
73 . if
${WARNS} >= 1 && ${WARNS} <= 6 && ${_WCCVER
:Mgcc8
*}
74 _cnowarnflags
+= -Wno-stringop-overflow
76 # Activate gcc47's -Wunused-but-set-variable (which is in -Wall) and
77 # -Wunused-but-set-parameter (which is in -Wextra) only at WARNS >= 4
78 # (which is the level when also -Wunused-parameter comes into play).
79 . if
${WARNS} >= 2 && ${WARNS} <= 3 && ${_WCCVER
:Mgcc
*}
80 _cnowarnflags
+= -Wno-unused-but-set-variable
82 . if
${WARNS} == 3 && ${_WCCVER
:Mgcc
*}
83 _cnowarnflags
+= -Wno-unused-but-set-parameter
85 . if
${WARNS} == 3 && (${_WCCVER
:Mgcc49
} ||
${_WCCVER
:Mgcc
[5-]*})
86 _cnowarnflags
+= -Wno-unused-value
88 . if
${WARNS} == 3 && ${_WCCVER
:Mgcc8
*}
89 _cnowarnflags
+= -Wno-implicit-fallthrough
91 . if
${WARNS} >= 2 && ${_WCCVER
:Mgcc4
[789]}
92 _cnowarnflags
+= -Wno-error
=maybe-uninitialized\
93 -Wno-error
=uninitialized\
96 # Disable -Werror selectively for -Os and -Og compilations. Both -Winline and
97 # -Wmaybe-uninitialized are noisy and should be caught by standard -O and -O2.
98 # These are still useful diagnostics while investigating compilation issues.
99 . if defined
(WORLD_CCOPTLEVEL
) && (${WORLD_CCOPTLEVEL
:Mg
} ||
${WORLD_CCOPTLEVEL
:Ms
})
101 CWARNFLAGS
+= -Wno-error
=inline
103 . if
${WARNS} >= 5 && ${_WCCVER
:Mgcc
*}
104 CWARNFLAGS
+= -Wno-error
=maybe-uninitialized
109 . if defined
(FORMAT_AUDIT
)
112 . if defined
(WFORMAT
)
114 CWARNFLAGS
+= -Wformat
=2
115 . if
!defined
(NO_WERROR
) && (${_WCCVER} == "gcc47" ||
${_WCCVER} == "gcc50")
116 CWARNFLAGS
+= -Werror
122 .if defined
(NO_WCAST_FUNCTION_TYPE
) && ${WARNS} >= 3 && ${_WCCVER
:Mgcc8
*}
123 _cnowarnflags
+= -Wno-cast-function-type
125 .if defined
(NO_WARRAY_BOUNDS
)
126 _cnowarnflags
+= -Wno-array-bounds
128 .if defined
(NO_STRICT_OVERFLOW
)
129 CFLAGS
+= -fno-strict-overflow
131 .if defined
(NO_STRICT_ALIASING
)
132 CFLAGS
+= -fno-strict-aliasing
136 # Add -Wno-foo flags last
137 .if
!defined
(WARNS_AUDIT
)
138 CWARNFLAGS
+= ${_cnowarnflags}
141 # Allow user-specified additional warning flags
142 CFLAGS
+= ${CWARNFLAGS}
144 # Tell bmake not to mistake standard targets for things to be searched for
145 # or expect to ever be up-to-date
146 PHONY_NOTMAIN
= afterdepend afterinstall
all beforedepend beforeinstall \
147 beforelinking build build-tools buildfiles buildincludes \
148 checkdpadd
clean cleandepend cleandir cleanobj configure \
149 depend dependall
distclean distribute exe extract fetch \
150 html includes
install installfiles installincludes lint \
151 obj objlink objs objwarn patch realall realdepend \
152 realinstall regress subdir-all subdir-depend subdir-install \
155 # if given PROG matches anything in the PHONY list, exclude it.
156 .PHONY
: ${PHONY_NOTMAIN
:N
${PROG
:U
}}
157 .NOTMAIN
: ${PHONY_NOTMAIN}