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 $ 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# If the host system does not have the desired compiler for HOST_CCVER 16# we back off to something it probably does have. 17 18CCVER ?= gcc41 19_CCVER := ${CCVER} 20.if exists(/usr/libexec/${_CCVER}/cc) 21HOST_CCVER?= ${_CCVER} 22.else 23HOST_CCVER?= gcc34 24.endif 25 26.if ${CCVER} == "gcc34" 27. include <bsd.cpu.gcc34.mk> 28.elif ${CCVER} == "gcc41" 29. include <bsd.cpu.gcc41.mk> 30.elif defined(CCVER_BSD_CPU_MK) 31. if ${CCVER_BSD_CPU_MK} != "" 32. include "${CCVER_BSD_CPU_MK}" 33. endif 34.else 35.error "Either set CCVER to a known compiler or specify CCVER_BSD_CPU_MK" 36.endif 37 38# /usr/bin/cc depend on the CCVER environment variable, make sure CCVER is 39# exported for /usr/bin/cc and friends. Note that CCVER is unsupported when 40# cross compiling from 4.x or older versions of DFly and should not be set 41# by the user. 42# 43.if defined(.DIRECTIVE_MAKEENV) 44.makeenv CCVER 45.makeenv HOST_CCVER 46.endif 47 48# We can reassign _CPUCFLAGS and CFLAGS will evaluate properly to the 49# new value, we do not have to add the variable to CFLAGS twice. 50# 51.if !defined(NO_CPU_CFLAGS) && !defined(_CPUCFLAGS_ASSIGNED) 52_CPUCFLAGS_ASSIGNED=TRUE 53CFLAGS += ${_CPUCFLAGS} 54.endif 55 56