share/mk/bsd.cpu.mk

   1 # $FreeBSD: src/share/mk/bsd.cpu.mk,v 1.2.2.5 2002/07/19 08:09:32 ru Exp $
   2 # $DragonFly: src/share/mk/bsd.cpu.mk,v 1.11 2005/06/05 22:43:19 corecode Exp $
   3
   4 # include compiler-specific bsd.cpu.mk.  Note that CCVER may or may not
   5 # be passed as an environment variable.  If not set we make it consistent
   6 # within make but do not otherwise export it.
   7 #
   8 # _CCVER is used to detect changes to CCVER made in Makefile's after the
   9 # fact.
  10 #
  11 # HOST_CCVER is used by the native system compiler and defaults to CCVER.
  12 # It is not subject to local CCVER overrides in Makefiles and it is inherited
  13 # by all sub-makes.
  14
  15 CCVER ?= gcc34
  16 _CCVER := ${CCVER}
  17 HOST_CCVER?= ${_CCVER}
  18
  19 .if ${CCVER} == "gcc2"
  20 .  include <bsd.cpu.gcc2.mk>
  21 .elif ${CCVER} == "gcc3"
  22 .  include <bsd.cpu.gcc3.mk>
  23 .elif ${CCVER} == "gcc34"
  24 .  include <bsd.cpu.gcc34.mk>
  25 .elif ${CCVER} == "gcc40"
  26 .  include <bsd.cpu.gcc40.mk>
  27 .elif defined(CCVER_BSD_CPU_MK)
  28 .  if ${CCVER_BSD_CPU_MK} != ""
  29 .    include "${CCVER_BSD_CPU_MK}"
  30 .  endif
  31 .else
  32 .error "Either set CCVER to a known compiler or specify CCVER_BSD_CPU_MK"
  33 .endif
  34
  35 # /usr/bin/cc depend on the CCVER environment variable, make sure CCVER is
  36 # exported for /usr/bin/cc and friends.  Note that CCVER is unsupported when
  37 # cross compiling from 4.x or older versions of DFly and should not be set
  38 # by the user.
  39 #
  40 .if defined(.DIRECTIVE_MAKEENV)
  41 .makeenv CCVER
  42 .makeenv HOST_CCVER
  43 .endif
  44
  45 # We can reassign _CPUCFLAGS and CFLAGS will evaluate properly to the
  46 # new value, we do not have to add the variable to CFLAGS twice.
  47 #
  48 .if !defined(NO_CPU_CFLAGS) && !defined(_CPUCFLAGS_ASSIGNED)
  49 _CPUCFLAGS_ASSIGNED=TRUE
  50 CFLAGS += ${_CPUCFLAGS}
  51 .endif
  52