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 1.10 2007/09/07 00:09:02 pavalos 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(WARNS)
  12 # XXX Delete -Wuninitialized by default for now -- the compiler doesn't
  13 # XXX always get it right.
  14 .  if ${WARNS} <= 4
  15 CFLAGS          +=      -Wno-uninitialized
  16 .  endif
  17 .  if defined(WARNS_WERROR) && !defined(NO_WERROR)
  18 CFLAGS          +=      -Werror
  19 .  endif
  20 .  if ${WARNS} >= 1
  21 CFLAGS          +=      -Wunknown-pragmas -Wsystem-headers
  22 .endif
  23 .  if ${WARNS} >= 2
  24 CFLAGS          +=      -Wall
  25 .  endif
  26 .  if ${WARNS} >= 3
  27 CFLAGS          +=      -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
  28 .  endif
  29 .  if ${WARNS} >= 4
  30 CFLAGS          +=      -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align
  31 .  endif
  32 .  if ${WARNS} >= 6
  33 CFLAGS          +=      -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
  34 .  endif
  35 . endif
  36
  37 . if defined(FORMAT_AUDIT)
  38 WFORMAT         =       1
  39 . endif
  40 . if defined(WFORMAT)
  41 .  if ${WFORMAT} > 0
  42 CFLAGS          +=      -Wno-format-extra-args
  43 .   if defined(WARNS_WERROR) && !defined(NO_WERROR)
  44 CFLAGS          +=      -Werror
  45 .   endif
  46 .  endif
  47 . endif
  48 .endif
  49
  50 .if defined(WARNS_NO_UNUSED_PARAMETERS)
  51 CFLAGS+=        -Wno-unused-parameters
  52 .endif
  53
  54 # Allow user-specified additional warning flags
  55 CFLAGS          +=      ${CWARNFLAGS}