bsd.sys.mk revision 115640 
176861Skris# $FreeBSD: head/share/mk/bsd.sys.mk 115640 2003-06-01 21:33:05Z obrien $
276861Skris#
376861Skris# This file contains common settings used for building FreeBSD
476861Skris# sources.
576861Skris
676861Skris# Enable various levels of compiler warning checks.  These may be
776861Skris# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
876861Skris
996316Sobrien# for GCC:  http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143
1096316Sobrien
11115640Sobrien.if !defined(PROG_CXX)
12115629SobrienCSTD		?=	c99
13115640Sobrien. if ${CSTD} == "k&r"
14115453SobrienCFLAGS		+=	-traditional
15115640Sobrien. elif ${CSTD} == "c89" || ${CSTD} == "c90"
16115453SobrienCFLAGS		+=	-std=iso9899:1990
17115640Sobrien. elif ${CSTD} == "c94" || ${CSTD} == "c95"
18115453SobrienCFLAGS		+=	-std=iso9899:199409
19115640Sobrien. elif ${CSTD} == "c99"
20115453SobrienCFLAGS		+=	-std=iso9899:1999
21115640Sobrien. else
22115453SobrienCFLAGS		+=	-std=${CSTD}
23115640Sobrien. endif
24115629Sobrien.endif
25115629Sobrien
26115629Sobrien.if !defined(NO_WARNS)
2776861Skris. if defined(WARNS)
2876861Skris.  if ${WARNS} > 0
29112869SruCFLAGS		+=	-Wsystem-headers
3099542Sobrien.   if !defined(NO_WERROR)
3199542SobrienCFLAGS		+=	-Werror
3299542Sobrien.   endif
3376861Skris.  endif
3476861Skris.  if ${WARNS} > 1
3596316SobrienCFLAGS		+=	-Wall -Wno-format-y2k
3676861Skris.  endif
3787976Sobrien.  if ${WARNS} > 2
3887976SobrienCFLAGS		+=	-W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
3987976Sobrien.  endif
4087976Sobrien.  if ${WARNS} > 3
4187976SobrienCFLAGS		+=	-Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align
4287976Sobrien.  endif
43115629Sobrien#	XXX: the warning that was here became problematic.
44115629Sobrien#.  if ${WARNS} > 4
4594332Sobrien# BDECFLAGS
4694332Sobrien.  if ${WARNS} > 5
47115455Sobrien.   if defined(CSTD)
48115455SobrienCFLAGS		+=	-pedantic
49115455Sobrien.   endif
50114751SdesCFLAGS		+=	-Wbad-function-cast -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
5194332Sobrien.  endif
5294332Sobrien.  if ${WARNS} > 1 && ${WARNS} < 5
5388936Sdwmalone# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
5488936Sdwmalone# XXX always get it right.
5588936SdwmaloneCFLAGS		+=	-Wno-uninitialized
5688936Sdwmalone.  endif
5776861Skris. endif
5876861Skris
5976861Skris. if defined(FORMAT_AUDIT)
6076861SkrisWFORMAT		=	1
6176861Skris. endif
6276861Skris. if defined(WFORMAT)
6376861Skris.  if ${WFORMAT} > 0
6496316Sobrien#CFLAGS		+=	-Wformat-nonliteral -Wformat-security -Wno-format-extra-args
6596316SobrienCFLAGS		+=	-Wformat=2 -Wno-format-extra-args
6699542Sobrien.   if !defined(NO_WERROR)
6799542SobrienCFLAGS		+=	-Werror
6899542Sobrien.   endif
6976861Skris.  endif
7076861Skris. endif
7176861Skris.endif
7276861Skris
7376861Skris# Allow user-specified additional warning flags
7476861SkrisCFLAGS		+=	${CWARNFLAGS}
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