Replace getarch and validatearch with table-driven implementations.
This commit is contained in:
apb
parent
bbc956a9be
commit
9c5c1c9f13
375
build.sh
375
build.sh
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@ -1,5 +1,5 @@
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#! /usr/bin/env sh
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# $NetBSD: build.sh,v 1.257 2012/10/18 16:15:29 apb Exp $
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# $NetBSD: build.sh,v 1.258 2012/10/31 13:05:09 apb Exp $
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#
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# Copyright (c) 2001-2011 The NetBSD Foundation, Inc.
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# All rights reserved.
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@ -263,6 +263,8 @@ progname=${0##*/}
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toppid=$$
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results=/dev/null
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tab=' '
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nl='
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'
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trap "exit 1" 1 2 3 15
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bomb()
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@ -546,203 +548,238 @@ initdefaults()
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}
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# valid_MACHINE_ARCH -- A multi-line string, listing all valid
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# MACHINE/MACHINE_ARCH pairs.
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#
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# Each line contains a MACHINE and MACHINE_ARCH value, an optional ALIAS
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# which may be used to refer to the MACHINE/MACHINE_ARCH pair, and an
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# optional DEFAULT or NO_DEFAULT keyword.
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#
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# When a MACHINE corresponds to multiple possible values of
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# MACHINE_ARCH, then this table should list all allowed combinations.
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# If the MACHINE is associated with a default MACHINE_ARCH (to be
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# used when the user specifies the MACHINE but fails to specify the
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# MACHINE_ARCH), then one of the lines should have the "DEFAULT"
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# keyword. If there is no default MACHINE_ARCH for a particular
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# MACHINE, then there should be a line with the "NO_DEFAULT" keyword,
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# and with a blank MACHINE_ARCH.
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#
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valid_MACHINE_ARCH='
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MACHINE=acorn26 MACHINE_ARCH=arm
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MACHINE=acorn32 MACHINE_ARCH=arm
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MACHINE=algor MACHINE_ARCH=mips64el ALIAS=algor64
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MACHINE=algor MACHINE_ARCH=mipsel DEFAULT
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MACHINE=alpha MACHINE_ARCH=alpha
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MACHINE=amd64 MACHINE_ARCH=x86_64
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MACHINE=amiga MACHINE_ARCH=m68k
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MACHINE=amigappc MACHINE_ARCH=powerpc
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MACHINE=arc MACHINE_ARCH=mips64el ALIAS=arc64
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MACHINE=arc MACHINE_ARCH=mipsel DEFAULT
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MACHINE=atari MACHINE_ARCH=m68k
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MACHINE=bebox MACHINE_ARCH=powerpc
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MACHINE=cats MACHINE_ARCH=arm DEFAULT
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MACHINE=cats MACHINE_ARCH=earm
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MACHINE=cesfic MACHINE_ARCH=m68k
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MACHINE=cobalt MACHINE_ARCH=mips64el ALIAS=cobalt64
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MACHINE=cobalt MACHINE_ARCH=mipsel DEFAULT
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MACHINE=dreamcast MACHINE_ARCH=sh3el
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MACHINE=emips MACHINE_ARCH=mipseb
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MACHINE=evbarm MACHINE_ARCH=arm ALIAS=evbarm-el DEFAULT
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MACHINE=evbarm MACHINE_ARCH=armeb ALIAS=evbarm-eb
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MACHINE=evbarm MACHINE_ARCH=earm ALIAS=evbearm-el
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MACHINE=evbarm MACHINE_ARCH=earmeb ALIAS=evbearm-eb
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MACHINE=evbmips MACHINE_ARCH= NO_DEFAULT
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MACHINE=evbmips MACHINE_ARCH=mips64eb ALIAS=evbmips64-eb
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MACHINE=evbmips MACHINE_ARCH=mips64el ALIAS=evbmips64-el
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MACHINE=evbmips MACHINE_ARCH=mipseb ALIAS=evbmips-eb
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MACHINE=evbmips MACHINE_ARCH=mipsel ALIAS=evbmips-el
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MACHINE=evbppc MACHINE_ARCH=powerpc DEFAULT
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MACHINE=evbppc MACHINE_ARCH=powerpc64 ALIAS=evbppc64
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MACHINE=evbsh3 MACHINE_ARCH= NO_DEFAULT
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MACHINE=evbsh3 MACHINE_ARCH=sh3eb ALIAS=evbsh3-eb
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MACHINE=evbsh3 MACHINE_ARCH=sh3el ALIAS=evbsh3-el
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MACHINE=ews4800mips MACHINE_ARCH=mipseb
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MACHINE=hp300 MACHINE_ARCH=m68k
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MACHINE=hp700 MACHINE_ARCH=hppa
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MACHINE=hpcarm MACHINE_ARCH=arm
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MACHINE=hpcmips MACHINE_ARCH=mipsel
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MACHINE=hpcsh MACHINE_ARCH=sh3el
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MACHINE=i386 MACHINE_ARCH=i386
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MACHINE=ia64 MACHINE_ARCH=ia64
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MACHINE=ibmnws MACHINE_ARCH=powerpc
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MACHINE=iyonix MACHINE_ARCH=arm DEFAULT
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MACHINE=iyonix MACHINE_ARCH=earm
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MACHINE=landisk MACHINE_ARCH=sh3el
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MACHINE=luna68k MACHINE_ARCH=m68k
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MACHINE=mac68k MACHINE_ARCH=m68k
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MACHINE=macppc MACHINE_ARCH=powerpc DEFAULT
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MACHINE=macppc MACHINE_ARCH=powerpc64 ALIAS=macppc64
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MACHINE=mipsco MACHINE_ARCH=mipseb
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MACHINE=mmeye MACHINE_ARCH=sh3eb
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MACHINE=mvme68k MACHINE_ARCH=m68k
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MACHINE=mvmeppc MACHINE_ARCH=powerpc
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MACHINE=netwinder MACHINE_ARCH=arm DEFAULT
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MACHINE=netwinder MACHINE_ARCH=earm
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MACHINE=news68k MACHINE_ARCH=m68k
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MACHINE=newsmips MACHINE_ARCH=mipseb
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MACHINE=next68k MACHINE_ARCH=m68k
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MACHINE=ofppc MACHINE_ARCH=powerpc DEFAULT
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MACHINE=ofppc MACHINE_ARCH=powerpc64 ALIAS=ofppc64
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MACHINE=pmax MACHINE_ARCH=mips64el ALIAS=pmax64
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MACHINE=pmax MACHINE_ARCH=mipsel DEFAULT
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MACHINE=prep MACHINE_ARCH=powerpc
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MACHINE=rs6000 MACHINE_ARCH=powerpc
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MACHINE=sandpoint MACHINE_ARCH=powerpc
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MACHINE=sbmips MACHINE_ARCH= NO_DEFAULT
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MACHINE=sbmips MACHINE_ARCH=mips64eb ALIAS=sbmips64-eb
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MACHINE=sbmips MACHINE_ARCH=mips64el ALIAS=sbmips64-el
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MACHINE=sbmips MACHINE_ARCH=mipseb ALIAS=sbmips-eb
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MACHINE=sbmips MACHINE_ARCH=mipsel ALIAS=sbmips-el
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MACHINE=sgimips MACHINE_ARCH=mips64eb ALIAS=sgimips64
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MACHINE=sgimips MACHINE_ARCH=mipseb DEFAULT
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MACHINE=shark MACHINE_ARCH=arm DEFAULT
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MACHINE=shark MACHINE_ARCH=earm
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MACHINE=sparc MACHINE_ARCH=sparc
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MACHINE=sparc64 MACHINE_ARCH=sparc64
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MACHINE=sun2 MACHINE_ARCH=m68000
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MACHINE=sun3 MACHINE_ARCH=m68k
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MACHINE=vax MACHINE_ARCH=vax
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MACHINE=x68k MACHINE_ARCH=m68k
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MACHINE=zaurus MACHINE_ARCH=arm DEFAULT
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MACHINE=zaurus MACHINE_ARCH=earm
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'
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# getarch -- find the default MACHINE_ARCH for a MACHINE,
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# or convert an alias to a MACHINE/MACHINE_ARCH pair.
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#
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# Saves MACHINE in makewrappermachine before possibly modifying MACHINE.
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#
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# Sets MACHINE and MACHINE_ARCH if the input MACHINE value is
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# recognised as an alias, or recognised as a machine that has a default
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# MACHINE_ARCH (or that has only one possible MACHINE_ARCH).
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#
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# Leaves MACHINE and MACHINE_ARCH unchanged if MACHINE is recognised
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# as being associated with multiple MACHINE_ARCH values with no default.
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#
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# Bombs if MACHINE is not recognised.
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#
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getarch()
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{
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# Translate some MACHINE name aliases (known only to build.sh)
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# into proper MACHINE and MACHINE_ARCH names. Save the alias
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# name in makewrappermachine.
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#
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case "${MACHINE}" in
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local IFS
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local found=""
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local line
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evbearm-e[bl])
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makewrappermachine=${MACHINE}
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# MACHINE_ARCH is "arm" or "armeb", not "armel"
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MACHINE_ARCH=earm${MACHINE##*-}
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MACHINE_ARCH=${MACHINE_ARCH%el}
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MACHINE=evbarm
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IFS="${nl}"
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makewrappermachine="${MACHINE}"
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for line in ${valid_MACHINE_ARCH}; do
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line="${line%%#*}" # ignore comments
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line="$( IFS=" ${tab}" ; echo $line )" # normalise white space
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case "${line} " in
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"")
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# skip blank lines or comment lines
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continue
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;;
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evbarm-e[bl])
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makewrappermachine=${MACHINE}
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# MACHINE_ARCH is "arm" or "armeb", not "armel"
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MACHINE_ARCH=arm${MACHINE##*-}
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MACHINE_ARCH=${MACHINE_ARCH%el}
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MACHINE=${MACHINE%-e[bl]}
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*" ALIAS=${MACHINE} "*)
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# Found a line with a matching ALIAS=<alias>.
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found="$line"
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break
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;;
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evbmips-e[bl]|sbmips-e[bl])
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makewrappermachine=${MACHINE}
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MACHINE_ARCH=mips${MACHINE##*-}
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MACHINE=${MACHINE%-e[bl]}
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"MACHINE=${MACHINE} "*" NO_DEFAULT"*)
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# Found an explicit "NO_DEFAULT" for this MACHINE.
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found="$line"
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break
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;;
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evbmips64-e[bl]|sbmips64-e[bl])
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makewrappermachine=${MACHINE}
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MACHINE_ARCH=mips64${MACHINE##*-}
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MACHINE=${MACHINE%64-e[bl]}
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"MACHINE=${MACHINE} "*" DEFAULT"*)
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# Found an explicit "DEFAULT" for this MACHINE.
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found="$line"
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break
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;;
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evbsh3-e[bl])
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makewrappermachine=${MACHINE}
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MACHINE_ARCH=sh3${MACHINE##*-}
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MACHINE=${MACHINE%-e[bl]}
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;;
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"MACHINE=${MACHINE} "*)
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# Found a line for this MACHINE. If it's the
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# first such line, then tentatively accept it.
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# If it's not the first matching line, then
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# remember that there was more than one match.
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case "$found" in
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'') found="$line" ;;
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*) found="MULTIPLE_MATCHES" ; break ;;
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esac
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# Translate a MACHINE into a default MACHINE_ARCH.
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#
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case "${MACHINE}" in
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acorn26|acorn32|cats|hpcarm|iyonix|netwinder|shark|zaurus)
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MACHINE_ARCH=arm
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;;
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esac
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done
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evbarm) # unspecified MACHINE_ARCH gets LE
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MACHINE_ARCH=${MACHINE_ARCH:=arm}
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case "$found" in
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*NO_DEFAULT*|*MULTIPLE_MATCHES*)
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# MACHINE is OK, but MACHINE_ARCH is still unknown
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return
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;;
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hp700)
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MACHINE_ARCH=hppa
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"MACHINE="*" MACHINE_ARCH="*)
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# Obey the MACHINE= and MACHINE_ARCH= parts of the line.
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IFS=" "
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for frag in ${found}; do
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case "$frag" in
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MACHINE=*|MACHINE_ARCH=*)
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eval "$frag"
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;;
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sun2)
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MACHINE_ARCH=m68000
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esac
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done
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;;
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amiga|atari|cesfic|hp300|luna68k|mac68k|mvme68k|news68k|next68k|sun3|x68k)
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MACHINE_ARCH=m68k
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;;
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evbmips|sbmips) # no default MACHINE_ARCH
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;;
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sgimips64)
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makewrappermachine=${MACHINE}
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MACHINE=${MACHINE%64}
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MACHINE_ARCH=mips64eb
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;;
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ews4800mips|mipsco|newsmips|sgimips|emips)
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MACHINE_ARCH=mipseb
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;;
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algor64|arc64|cobalt64|pmax64)
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makewrappermachine=${MACHINE}
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MACHINE=${MACHINE%64}
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MACHINE_ARCH=mips64el
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;;
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algor|arc|cobalt|hpcmips|pmax)
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MACHINE_ARCH=mipsel
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;;
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evbppc64|macppc64|ofppc64)
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makewrappermachine=${MACHINE}
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MACHINE=${MACHINE%64}
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MACHINE_ARCH=powerpc64
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;;
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amigappc|bebox|evbppc|ibmnws|macppc|mvmeppc|ofppc|prep|rs6000|sandpoint)
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MACHINE_ARCH=powerpc
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;;
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evbsh3) # no default MACHINE_ARCH
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;;
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mmeye)
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MACHINE_ARCH=sh3eb
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;;
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dreamcast|hpcsh|landisk)
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MACHINE_ARCH=sh3el
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;;
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amd64)
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MACHINE_ARCH=x86_64
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;;
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alpha|i386|sparc|sparc64|vax|ia64)
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MACHINE_ARCH=${MACHINE}
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;;
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*)
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bomb "Unknown target MACHINE: ${MACHINE}"
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;;
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esac
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}
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# validatearch -- check that the MACHINE/MACHINE_ARCH pair is supported.
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#
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# Bombs if the pair is not supported.
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#
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validatearch()
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{
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# Ensure that the MACHINE_ARCH exists (and is supported by build.sh).
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#
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local IFS
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local line
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local foundpair=false foundmachine=false foundarch=false
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case "${MACHINE_ARCH}" in
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alpha|arm|armeb|earm|earmeb|hppa|i386|m68000|m68k|mipse[bl]|mips64e[bl]|powerpc|powerpc64|sh3e[bl]|sparc|sparc64|vax|x86_64|ia64)
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;;
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"")
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bomb "No MACHINE_ARCH provided"
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;;
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esac
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*)
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IFS="${nl}"
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for line in ${valid_MACHINE_ARCH}; do
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line="${line%%#*}" # ignore comments
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line="$( IFS=" ${tab}" ; echo $line )" # normalise white space
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case "${line} " in
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"")
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# skip blank lines or comment lines
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continue
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;;
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"MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH} "*)
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foundpair=true
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;;
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"MACHINE=${MACHINE} "*)
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foundmachine=true
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;;
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*"MACHINE_ARCH=${MACHINE_ARCH} "*)
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foundarch=true
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;;
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esac
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done
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case "${foundpair}:${foundmachine}:${foundarch}" in
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true:*)
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: OK
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;;
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*:false:*)
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bomb "Unknown target MACHINE: ${MACHINE}"
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;;
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*:*:false)
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bomb "Unknown target MACHINE_ARCH: ${MACHINE_ARCH}"
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;;
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esac
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# Determine valid MACHINE_ARCHs for MACHINE
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#
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case "${MACHINE}" in
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evbarm)
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arches="arm armeb earm earmeb"
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;;
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cats|iyonix|netwinder|shark|zaurus)
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arches="arm earm"
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;;
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algor|arc|cobalt|pmax)
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arches="mipsel mips64el"
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;;
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evbmips|sbmips)
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arches="mipseb mipsel mips64eb mips64el"
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;;
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sgimips)
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arches="mipseb mips64eb"
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;;
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evbsh3)
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arches="sh3eb sh3el"
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;;
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macppc|evbppc|ofppc)
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arches="powerpc powerpc64"
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;;
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*)
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oma="${MACHINE_ARCH}"
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getarch
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arches="${MACHINE_ARCH}"
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MACHINE_ARCH="${oma}"
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;;
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esac
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# Ensure that MACHINE_ARCH supports MACHINE
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#
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archok=false
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for a in ${arches}; do
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if [ "${a}" = "${MACHINE_ARCH}" ]; then
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archok=true
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break
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fi
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done
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${archok} ||
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bomb "MACHINE_ARCH '${MACHINE_ARCH}' does not support MACHINE '${MACHINE}'"
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;;
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esac
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}
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# nobomb_getmakevar --
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@ -1681,7 +1718,7 @@ createmakewrapper()
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eval cat <<EOF ${makewrapout}
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#! ${HOST_SH}
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# Set proper variables to allow easy "make" building of a NetBSD subtree.
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# Generated from: \$NetBSD: build.sh,v 1.257 2012/10/18 16:15:29 apb Exp $
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# Generated from: \$NetBSD: build.sh,v 1.258 2012/10/31 13:05:09 apb Exp $
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# with these arguments: ${_args}
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#
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