share/mk/bsd.sys.mk

   1 # $FreeBSD: src/share/mk/bsd.sys.mk,v 1.3.2.5 2002/07/03 16:59:14 des Exp $
   2 # $DragonFly: src/share/mk/bsd.sys.mk,v 1.12 2008/11/14 15:04:42 swildner Exp $
   3 #
   4 # This file contains common settings used for building DragonFly
   5 # sources.
   6
   7 # Enable various levels of compiler warning checks.  These may be
   8 # overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
   9
  10 .if !defined(NO_WARNS)
  11 . if defined(CSTD)
  12 .  if ${CSTD} == "k&r"
  13 CFLAGS          += -traditional
  14 .  elif ${CSTD} == "c89" || ${CSTD} == "c90"
  15 CFLAGS          += -std=iso9899:1990
  16 .  elif ${CSTD} == "c94" || ${CSTD} == "c95"
  17 CFLAGS          += -std=iso9899:199409
  18 .  elif ${CSTD} == "c99"
  19 CFLAGS          += -std=iso9899:1999
  20 .  else
  21 CFLAGS          += -std=${CSTD}
  22 .  endif
  23 . endif
  24 . if defined(WARNS)
  25 .  if ${WARNS} >= 1
  26 CWARNFLAGS      +=      -Wsystem-headers
  27 .   if !defined(NO_WERROR) && ${CCVER} == "gcc41"
  28 CWARNFLAGS      +=      -Werror
  29 .   endif
  30 .  endif
  31 .  if ${WARNS} >= 2
  32 CWARNFLAGS      +=      -Wall
  33 .  endif
  34 .  if ${WARNS} >= 3
  35 CWARNFLAGS      +=      -W -Wno-unused-parameter -Wstrict-prototypes\
  36                         -Wmissing-prototypes -Wpointer-arith\
  37                         -Wold-style-definition
  38 .  endif
  39 .  if ${WARNS} >= 4
  40 CWARNFLAGS      +=      -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\
  41                         -Wshadow -Wcast-align -Wunused-parameter
  42 .  endif
  43 .  if ${WARNS} >= 6
  44 CWARNFLAGS      +=      -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
  45 .  endif
  46 .  if ${WARNS} >= 2 && ${WARNS} <= 4
  47 # XXX Delete -Wuninitialized by default for now -- the compiler doesn't
  48 # XXX always get it right.
  49 CWARNFLAGS      +=      -Wno-uninitialized
  50 .  endif
  51 . endif
  52
  53 . if defined(FORMAT_AUDIT)
  54 WFORMAT         =       1
  55 . endif
  56 . if defined(WFORMAT)
  57 .  if ${WFORMAT} > 0
  58 CWARNFLAGS      +=      -Wformat=2 -Wno-format-extra-args
  59 .   if !defined(NO_WERROR) && ${CCVER} == "gcc41"
  60 CWARNFLAGS      +=      -Werror
  61 .   endif
  62 .  endif
  63 . endif
  64 .endif
  65
  66 # Allow user-specified additional warning flags
  67 CFLAGS          +=      ${CWARNFLAGS}