+case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
+ *:NetBSD:*:*)
+ # NetBSD (nbsd) targets should (where applicable) match one or
+ # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
+ # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently
+ # switched to ELF, *-*-netbsd* would select the old
+ # object file format. This provides both forward
+ # compatibility and a consistent mechanism for selecting the
+ # object file format.
+ #
+ # Note: NetBSD doesn't particularly care about the vendor
+ # portion of the name. We always set it to "unknown".
+ sysctl="sysctl -n hw.machine_arch"
+ UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
+ "/sbin/$sysctl" 2>/dev/null || \
+ "/usr/sbin/$sysctl" 2>/dev/null || \
+ echo unknown)`
+ case "$UNAME_MACHINE_ARCH" in
+ armeb) machine=armeb-unknown ;;
+ arm*) machine=arm-unknown ;;
+ sh3el) machine=shl-unknown ;;
+ sh3eb) machine=sh-unknown ;;
+ sh5el) machine=sh5le-unknown ;;
+ earmv*)
+ arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
+ endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
+ machine="${arch}${endian}"-unknown
+ ;;
+ *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
+ esac
+ # The Operating System including object format, if it has switched
+ # to ELF recently (or will in the future) and ABI.
+ case "$UNAME_MACHINE_ARCH" in
+ earm*)
+ os=netbsdelf
+ ;;
+ arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+ set_cc_for_build
+ if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+ | grep -q __ELF__
+ then
+ # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+ # Return netbsd for either. FIX?
+ os=netbsd
+ else
+ os=netbsdelf
+ fi
+ ;;
+ *)
+ os=netbsd
+ ;;
+ esac
+ # Determine ABI tags.
+ case "$UNAME_MACHINE_ARCH" in
+ earm*)
+ expr='s/^earmv[0-9]/-eabi/;s/eb$//'
+ abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
+ ;;
+ esac
+ # The OS release
+ # Debian GNU/NetBSD machines have a different userland, and
+ # thus, need a distinct triplet. However, they do not need
+ # kernel version information, so it can be replaced with a
+ # suitable tag, in the style of linux-gnu.
+ case "$UNAME_VERSION" in
+ Debian*)
+ release='-gnu'
+ ;;
+ *)
+ release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
+ ;;
+ esac
+ # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+ # contains redundant information, the shorter form:
+ # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+ echo "$machine-${os}${release}${abi-}"
+ exit ;;
+ *:Bitrig:*:*)
+ UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
+ echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
+ exit ;;
+ *:OpenBSD:*:*)
+ UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+ echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
+ exit ;;
+ *:LibertyBSD:*:*)
+ UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
+ echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
+ exit ;;
+ *:MidnightBSD:*:*)
+ echo "$UNAME_MACHINE"-unknown-midnightbsd"$UNAME_RELEASE"
+ exit ;;
+ *:ekkoBSD:*:*)
+ echo "$UNAME_MACHINE"-unknown-ekkobsd"$UNAME_RELEASE"
+ exit ;;
+ *:SolidBSD:*:*)
+ echo "$UNAME_MACHINE"-unknown-solidbsd"$UNAME_RELEASE"
+ exit ;;
+ macppc:MirBSD:*:*)
+ echo powerpc-unknown-mirbsd"$UNAME_RELEASE"
+ exit ;;
+ *:MirBSD:*:*)
+ echo "$UNAME_MACHINE"-unknown-mirbsd"$UNAME_RELEASE"
+ exit ;;
+ *:Sortix:*:*)
+ echo "$UNAME_MACHINE"-unknown-sortix
+ exit ;;
+ *:Redox:*:*)
+ echo "$UNAME_MACHINE"-unknown-redox
+ exit ;;
+ mips:OSF1:*.*)
+ echo mips-dec-osf1
+ exit ;;