share/mk/bsd.ioconf.mk

   1 #       $NetBSD: bsd.ioconf.mk,v 1.5 2014/11/30 15:53:29 uebayasi Exp $
   2 #
   3
   4 .include <bsd.own.mk>
   5
   6 # If IOCONF is defined, autocreate ioconf.[ch] and locators.h.
   7 # This is useful mainly for devices.
   8 .if !empty(IOCONF)
   9
  10 # discourage direct inclusion.  bsd.ioconf.mk will hopefully go away
  11 # when the kernel build procedures are unified.
  12 .if defined(_BSD_IOCONF_MK_USER_)
  13
  14 # XXX: ioconf.c doesn't need to depend on TOOL_CONFIG, but that helps
  15 # keep builds working while hashing out some of the experimental
  16 # features related to ioconf.
  17 .if ${USETOOLS} == "yes"
  18 CONFIGDEP=${TOOL_CONFIG}
  19 .endif
  20 ioconf.c: ${IOCONF} ${CONFIGDEP}
  21         ${TOOL_CONFIG} ${CONFIGOPTS} -b ${.OBJDIR} -s ${S} \
  22             ${IOCONFDIR:U${.CURDIR}}/${IOCONF}
  23         # config doesn't change the files if they're unchanged.  however,
  24         # here we want to satisfy our make dependency, so force a
  25         # timestamp update
  26         touch ioconf.c ioconf.h locators.h
  27
  28 .else # _BSD_IOCONF_MK_USER_
  29
  30 ioconf.c:
  31         @echo do not include bsd.ioconf.mk directly
  32         @false
  33
  34 .endif # _BSD_IOCONF_MK_USER_
  35
  36 locators.h: ioconf.c
  37 ioconf.h: ioconf.c
  38
  39 CLEANFILES+= ioconf.c ioconf.h locators.h
  40 DPSRCS+= ioconf.c ioconf.h locators.h
  41 .endif