kernel - Fix serious issue w/ smp_invltlb(), plus other issues.
[dragonfly.git] / share / mk / bsd.cpu.mk
blob376f3ff5564b90b8022141da41a2f33fa4aac7a3
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 1.16 2007/09/26 22:14:17 dillon Exp $
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.
8 # _CCVER is used to detect changes to CCVER made in Makefile's after the
9 # fact.
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.
15 # If the host system does not have the desired compiler for HOST_CCVER
16 # we back off to something it probably does have.
18 _DEFAULT_CCVER= gcc41
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
28 _DEFAULT_BINUTILSVER= binutils217
29 HOST_BINUTILSVER?= ${_DEFAULT_BINUTILSVER}
31 .if defined(CCVER_BSD_CPU_MK)
32 . if ${CCVER_BSD_CPU_MK} != ""
33 . include "${CCVER_BSD_CPU_MK}"
34 . endif
35 .elif ${CCVER} == "gcc41"
36 . include <bsd.cpu.gcc41.mk>
37 .elif ${CCVER} == "gcc44"
38 . include <bsd.cpu.gcc44.mk>
39 .else
40 . include <bsd.cpu.custom.mk>
41 .endif
43 # /usr/bin/cc depend on the CCVER environment variable, make sure CCVER is
44 # exported for /usr/bin/cc and friends. Note that CCVER is unsupported when
45 # cross compiling from 4.x or older versions of DFly and should not be set
46 # by the user.
48 .makeenv CCVER
49 .makeenv HOST_CCVER
51 # We can reassign _CPUCFLAGS and CFLAGS will evaluate properly to the
52 # new value, we do not have to add the variable to CFLAGS twice.
54 .if !defined(NO_CPU_CFLAGS) && !defined(_CPUCFLAGS_ASSIGNED)
55 _CPUCFLAGS_ASSIGNED=TRUE
56 CFLAGS += ${_CPUCFLAGS}
57 .endif