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# $NetBSD: emulator-vars.mk,v 1.8 2007/10/09 20:34:48 rillig Exp $
#
# This file is included by bsd.prefs.mk only if EMUL_PLATFORMS is defined
# and non-empty.
#
# User-settable variables:
#
# EMUL_TYPE.${EMUL_OPSYS}
# Specifies the "type" or "variant" of ${EMUL_OPSYS} to use, e.g.
# ${EMUL_TYPE.linux} == "suse".
#
# EMUL_PLATFORM
# Specifies the platform to emulate, and is of the form
# ${EMUL_OPSYS}-${EMUL_ARCH}, e.g. linux-i386. By default
# this is the best-matching platform listed in EMUL_PLATFORMS
# chosen based on EMUL_PREFER.
#
# EMUL_PREFER
# The list of platforms to try to emulate in order of preference.
# By default, only try to emulate the native platform. See the
# _EMUL_PREFER.* table below for additional preferences for various
# platforms.
#
# Package-settable variables:
#
# EMUL_PLATFORMS
# List of "${EMUL_OPSYS}-${EMUL_ARCH}" binary emulations supported
# by the package. This should be set prior to the inclusion of
# bsd.prefs.mk.
#
# Default value: undefined
#
# Variables defined by this file:
#
# EMUL_ARCH
# The machine architecture being emulated, e.g. i386. If the
# package isn't supported on this machine, then its value is
# "none".
#
# EMUL_OPSYS
# The operating system being emulated, e.g. linux. If the
# package isn't supported on this machine, then its value is
# "none".
#
# EMUL_IS_NATIVE
# Whether or not the operating system being emulated matches the
# native operating system. It is either defined or undefined.
#
_VARGROUPS+= emulator
_USER_VARS.emulator= EMUL_TYPE.${EMUL_OPSYS} EMUL_PLATFORM EMUL_PREFER
_PKG_VARS.emulator= EMUL_PLATFORMS
_SYS_VARS.emulator= EMUL_ARCH EMUL_OPSYS EMUL_IS_NATIVE
# _EMUL_OPSYS
# A table that maps ${OPSYS} to the operating system names
# (${EMUL_OPSYS}) used by the emulator framework.
#
# _EMUL_MACHINE_PLATFORM
# An "opsys-arch" pair that describes the "native" platform.
#
# _EMUL_PREFER.*
# A table that maps ${_EMUL_MACHINE_PLATFORM} to a list of
# platforms to try to emulate on the native platform, excluding
# itself.
#
_EMUL_OPSYS.HPUX= hpux
_EMUL_OPSYS.IRIX= irix
_EMUL_OPSYS.OSF1= osf1
.if !empty(OS_VERSION:M4.*)
_EMUL_OPSYS.SunOS= sunos
.else
_EMUL_OPSYS.SunOS= solaris
.endif
.if defined(_EMUL_OPSYS.${OPSYS})
_EMUL_OPSYS= ${_EMUL_OPSYS.${OPSYS}}
.else
_EMUL_OPSYS= ${LOWER_OPSYS}
.endif
_EMUL_MACHINE_PLATFORM= ${_EMUL_OPSYS}-${MACHINE_ARCH}
_EMUL_PREFER.netbsd-alpha= osf1-alpha linux-alpha
_EMUL_PREFER.netbsd-arm= linux-arm
_EMUL_PREFER.netbsd-i386= linux-i386 freebsd-i386 solaris-i386 darwin-i386
_EMUL_PREFER.netbsd-m68k= sunos-m68k linux-m68k
_EMUL_PREFER.netbsd-powerpc= linux-powerpc darwin-powerpc
_EMUL_PREFER.netbsd-sparc64= netbsd-sparc solaris-sparc64 solaris-sparc sunos-sparc
.if !empty(MACHINE_PLATFORM:MNetBSD-1.*-sparc*)
_EMUL_PREFER.netbsd-sparc= sunos-sparc
.else
_EMUL_PREFER.netbsd-sparc= solaris-sparc sunos-sparc
.endif
_EMUL_PREFER.netbsd-x86_64= netbsd-i386 linux-x86_64 linux-i386
_EMUL_PREFER.dragonfly-i386= linux-i386
_EMUL_PREFER.solaris-sparc64= solaris-sparc
_EMUL_PREFER.solaris-x86_64= solaris-i386
_EMUL_PREFER.linux-sparc64= linux-sparc
_EMUL_PREFER.linux-x86_64= linux-i386
# Prefer "emulating" the native operating system, then fall back to
# the other preferences listed above.
#
EMUL_PREFER?= ${_EMUL_MACHINE_PLATFORM} \
${_EMUL_PREFER.${_EMUL_MACHINE_PLATFORM}}
.for _platform_ in ${EMUL_PREFER}
. if !empty(EMUL_PLATFORMS:M${_platform_})
EMUL_PLATFORM?= ${_platform_}
. endif
.endfor
EMUL_PLATFORM?= none
.if ${EMUL_PLATFORM} == "none"
EMUL_ARCH?= none
EMUL_OPSYS?= none
.else
EMUL_ARCH?= ${EMUL_PLATFORM:C/.*-//}
EMUL_OPSYS?= ${EMUL_PLATFORM:C/-.*//}
.endif
.if ${_EMUL_OPSYS} == ${EMUL_OPSYS}
EMUL_IS_NATIVE= defined
.endif
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