blob: 7a72ca65ee37a5099be4bd2fa400d4bd2d8cf835 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
# $FreeBSD$
#
# This file contains common settings used for building FreeBSD
# sources.
# Enable various levels of compiler warning checks. These may be
# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
# for GCC: http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143
# the default is gnu99 for now
CSTD ?= gnu99
.if ${CSTD} == "k&r"
CFLAGS += -traditional
.elif ${CSTD} == "c89" || ${CSTD} == "c90"
CFLAGS += -std=iso9899:1990
.elif ${CSTD} == "c94" || ${CSTD} == "c95"
CFLAGS += -std=iso9899:199409
.elif ${CSTD} == "c99"
CFLAGS += -std=iso9899:1999
.else
CFLAGS += -std=${CSTD}
.endif
.if !defined(NO_WARNS)
# -pedantic is problematic because it also imposes namespace restrictions
#CFLAGS += -pedantic
. if defined(WARNS)
. if ${WARNS} >= 1
CWARNFLAGS += -Wsystem-headers
. if !defined(NO_WERROR)
CWARNFLAGS += -Werror
. endif
. endif
. if ${WARNS} >= 2
CWARNFLAGS += -Wall -Wno-format-y2k
. endif
. if ${WARNS} >= 3
CWARNFLAGS += -W -Wno-unused-parameter -Wstrict-prototypes\
-Wmissing-prototypes -Wpointer-arith
. endif
. if ${WARNS} >= 4
CWARNFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\
-Wshadow -Wunused-parameter
. if !defined(NO_WCAST_ALIGN)
CWARNFLAGS += -Wcast-align
. endif
. endif
# BDECFLAGS
. if ${WARNS} >= 6
CWARNFLAGS += -Wchar-subscripts -Winline -Wnested-externs\
-Wredundant-decls -Wold-style-definition
. endif
. if ${WARNS} >= 2 && ${WARNS} <= 4
# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
# XXX always get it right.
CWARNFLAGS += -Wno-uninitialized
. endif
CWARNFLAGS += -Wno-pointer-sign
# Clang has more warnings enabled by default, and when using -Wall, so if WARNS
# is set to low values, these have to be disabled explicitly.
. if ${CC:T:Mclang} == "clang"
. if ${WARNS} <= 3
CWARNFLAGS += -Wno-tautological-compare -Wno-unused-value\
-Wno-parentheses-equality -Wno-unused-function\
-Wno-conversion
. endif
. if ${WARNS} <= 2
CWARNFLAGS += -Wno-switch-enum -Wno-empty-body
. endif
. if ${WARNS} <= 1
CWARNFLAGS += -Wno-parentheses
. endif
. if defined(NO_WARRAY_BOUNDS)
CWARNFLAGS += -Wno-array-bounds
. endif
. endif
. endif
. if defined(FORMAT_AUDIT)
WFORMAT = 1
. endif
. if defined(WFORMAT)
. if ${WFORMAT} > 0
#CWARNFLAGS += -Wformat-nonliteral -Wformat-security -Wno-format-extra-args
CWARNFLAGS += -Wformat=2 -Wno-format-extra-args
. if !defined(NO_WERROR)
CWARNFLAGS += -Werror
. endif
. endif
. endif
. if defined(NO_WFORMAT)
CWARNFLAGS += -Wno-format
. endif
.endif
.if defined(IGNORE_PRAGMA)
CWARNFLAGS += -Wno-unknown-pragmas
.endif
.if ${MK_SSP} != "no" && ${MACHINE_CPUARCH} != "ia64" && \
${MACHINE_CPUARCH} != "arm" && ${MACHINE_CPUARCH} != "mips"
# Don't use -Wstack-protector as it breaks world with -Werror.
SSP_CFLAGS ?= -fstack-protector
CFLAGS += ${SSP_CFLAGS}
.endif
# Allow user-specified additional warning flags
CFLAGS += ${CWARNFLAGS}
|
