bsd.sys.mk revision 116330 
176861Skris# $FreeBSD: head/share/mk/bsd.sys.mk 116330 2003-06-14 11:57:44Z des $
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
11116330Sdes.if !defined(NO_WARNS)
12116330Sdes. if defined(CSTD)
13116330Sdes.  if ${CSTD} == "k&r"
14115453SobrienCFLAGS		+=	-traditional
15116330Sdes.  elif ${CSTD} == "c89" || ${CSTD} == "c90"
16115453SobrienCFLAGS		+=	-std=iso9899:1990
17116330Sdes.  elif ${CSTD} == "c94" || ${CSTD} == "c95"
18115453SobrienCFLAGS		+=	-std=iso9899:199409
19116330Sdes.  elif ${CSTD} == "c99"
20115453SobrienCFLAGS		+=	-std=iso9899:1999
21116330Sdes.  else
22115453SobrienCFLAGS		+=	-std=${CSTD}
23116330Sdes.  endif
24116330SdesCFLAGS		+=	-pedantic
25115640Sobrien. endif
2676861Skris. if defined(WARNS)
2776861Skris.  if ${WARNS} > 0
28112869SruCFLAGS		+=	-Wsystem-headers
2999542Sobrien.   if !defined(NO_WERROR)
3099542SobrienCFLAGS		+=	-Werror
3199542Sobrien.   endif
3276861Skris.  endif
3376861Skris.  if ${WARNS} > 1
3496316SobrienCFLAGS		+=	-Wall -Wno-format-y2k
3576861Skris.  endif
3687976Sobrien.  if ${WARNS} > 2
3787976SobrienCFLAGS		+=	-W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
3887976Sobrien.  endif
3987976Sobrien.  if ${WARNS} > 3
4087976SobrienCFLAGS		+=	-Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align
4187976Sobrien.  endif
4294332Sobrien# BDECFLAGS
4394332Sobrien.  if ${WARNS} > 5
44114751SdesCFLAGS		+=	-Wbad-function-cast -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
4594332Sobrien.  endif
4694332Sobrien.  if ${WARNS} > 1 && ${WARNS} < 5
4788936Sdwmalone# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
4888936Sdwmalone# XXX always get it right.
4988936SdwmaloneCFLAGS		+=	-Wno-uninitialized
5088936Sdwmalone.  endif
5176861Skris. endif
5276861Skris
5376861Skris. if defined(FORMAT_AUDIT)
5476861SkrisWFORMAT		=	1
5576861Skris. endif
5676861Skris. if defined(WFORMAT)
5776861Skris.  if ${WFORMAT} > 0
5896316Sobrien#CFLAGS		+=	-Wformat-nonliteral -Wformat-security -Wno-format-extra-args
5996316SobrienCFLAGS		+=	-Wformat=2 -Wno-format-extra-args
6099542Sobrien.   if !defined(NO_WERROR)
6199542SobrienCFLAGS		+=	-Werror
6299542Sobrien.   endif
6376861Skris.  endif
6476861Skris. endif
6576861Skris.endif
6676861Skris
6776861Skris# Allow user-specified additional warning flags
6876861SkrisCFLAGS		+=	${CWARNFLAGS}
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