xref: /dragonfly/share/mk/bsd.cpu.mk (revision 71126e33)
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 1.9 2004/06/21 03:48:07 dillon 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
15CCVER ?= gcc2
16_CCVER := ${CCVER}
17HOST_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 defined(CCVER_BSD_CPU_MK)
26.  if ${CCVER_BSD_CPU_MK} != ""
27.    include "${CCVER_BSD_CPU_MK}"
28.  endif
29.else
30.error "Either set CCVER to a known compiler or specify CCVER_BSD_CPU_MK"
31.endif
32
33# /usr/bin/cc depend on the CCVER environment variable, make sure CCVER is
34# exported for /usr/bin/cc and friends.  Note that CCVER is unsupported when
35# cross compiling from 4.x or older versions of DFly and should not be set
36# by the user.
37#
38.if defined(.DIRECTIVE_MAKEENV)
39.makeenv CCVER
40.makeenv HOST_CCVER
41.endif
42
43# We can reassign _CPUCFLAGS and CFLAGS will evaluate properly to the
44# new value, we do not have to add the variable to CFLAGS twice.
45#
46.if !defined(NO_CPU_CFLAGS) && !defined(_CPUCFLAGS_ASSIGNED)
47_CPUCFLAGS_ASSIGNED=TRUE
48CFLAGS += ${_CPUCFLAGS}
49.endif
50
51