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
   3 # include compiler-specific bsd.cpu.mk.  Note that CCVER may or may not
   4 # be passed as an environment variable.  If not set we make it consistent
   5 # within make but do not otherwise export it.
   6 #
   7 # _CCVER is used to detect changes to CCVER made in Makefile's after the
   8 # fact.
   9 #
  10 # HOST_CCVER is used by the native system compiler and defaults to CCVER.
  11 # It is not subject to local CCVER overrides in Makefiles and it is inherited
  12 # by all sub-makes.
  13 #
  14 # If the host system does not have the desired compiler for HOST_CCVER
  15 # we back off to something it probably does have.
  16
  17 _DEFAULT_CCVER=         gcc50
  18 _DEFAULT_BINUTILSVER=   binutils227
  19
  20 CCVER ?= ${_DEFAULT_CCVER}
  21 _CCVER := ${CCVER}
  22 .if exists(/usr/libexec/${_CCVER}/cc) || exists(/usr/libexec/custom/cc)
  23 HOST_CCVER?= ${_CCVER}
  24 .else
  25 HOST_CCVER?= ${_DEFAULT_CCVER}
  26 .endif
  27
  28 .if exists(/usr/libexec/${_DEFAULT_BINUTILSVER}/elf/as)
  29 HOST_BINUTILSVER?=      ${_DEFAULT_BINUTILSVER}
  30 .else
  31 _NEXTAS!=               find -s /usr/libexec/binutils* -name as -print0 -quit
  32 HOST_BINUTILSVER?=      ${_NEXTAS:H:H:T}
  33 .endif
  34
  35 .if defined(FORCE_CPUTYPE)
  36 CPUTYPE= ${FORCE_CPUTYPE}
  37 .endif
  38
  39 .if defined(CCVER_BSD_CPU_MK)
  40 .  if ${CCVER_BSD_CPU_MK} != ""
  41 .    include "${CCVER_BSD_CPU_MK}"
  42 .  endif
  43 .elif ${CCVER} == gcc47
  44 .  include <bsd.cpu.gcc47.mk>
  45 .elif ${CCVER} == gcc50
  46 .  include <bsd.cpu.gcc50.mk>
  47 .elif ${CCVER:Mclang*}
  48 .  include <bsd.cpu.clang.mk>
  49 .else
  50 .  include <bsd.cpu.custom.mk>
  51 .endif
  52
  53 # /usr/bin/cc depend on the CCVER environment variable, make sure CCVER is
  54 # exported for /usr/bin/cc and friends.  Note that CCVER is unsupported when
  55 # cross compiling from 4.x or older versions of DFly and should not be set
  56 # by the user.
  57 #
  58 .export CCVER
  59 .export HOST_CCVER
  60
  61 # We can reassign _CPUCFLAGS and CFLAGS will evaluate properly to the
  62 # new value, we do not have to add the variable to CFLAGS twice.
  63 #
  64 .if !defined(NO_CPU_CFLAGS) && !defined(_CPUCFLAGS_ASSIGNED)
  65 _CPUCFLAGS_ASSIGNED=TRUE
  66 CFLAGS += ${_CPUCFLAGS}
  67 .endif
  68