+ *:FreeBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+ exit 0 ;;
+ *:NetBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+ exit 0 ;;
+ *:OpenBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+ exit 0 ;;
+ i*:CYGWIN*:*)
+ echo i386-pc-cygwin32
+ exit 0 ;;
+ p*:CYGWIN*:*)
+ echo powerpcle-unknown-cygwin32
+ exit 0 ;;
+ prep*:SunOS:5.*:*)
+ echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit 0 ;;
+ *:GNU:*:*)
+ echo `echo ${UNAME_MACHINE}|sed -e 's,-.*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+ exit 0 ;;
+ *:Linux:*:*)
+ # The BFD linker knows what the default object file format is, so
+ # first see if it will tell us.
+ ld_help_string=`ld --help 2>&1`
+ if echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf_i.86"; then
+ echo "${UNAME_MACHINE}-pc-linux-gnu" ; exit 0
+ elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86linux"; then
+ echo "${UNAME_MACHINE}-pc-linux-gnuaout" ; exit 0
+ elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86coff"; then
+ echo "${UNAME_MACHINE}-pc-linux-gnucoff" ; exit 0
+ elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68kelf"; then
+ echo "${UNAME_MACHINE}-unknown-linux-gnu" ; exit 0
+ elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68klinux"; then
+ echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0
+ elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf32ppc"; then
+ echo "powerpc-unknown-linux-gnu" ; exit 0
+ elif test "${UNAME_MACHINE}" = "alpha" ; then
+ echo alpha-unknown-linux-gnu ; exit 0
+ elif test "${UNAME_MACHINE}" = "sparc" ; then
+ echo sparc-unknown-linux-gnu ; exit 0
+ elif test "${UNAME_MACHINE}" = "mips" ; then
+ cat >dummy.c <<EOF
+main(argc, argv)
+int argc;
+char *argv[];
+{
+#ifdef __MIPSEB__
+ printf ("%s-unknown-linux-gnu\n", argv[1]);
+#endif
+#ifdef __MIPSEL__
+ printf ("%sel-unknown-linux-gnu\n", argv[1]);
+#endif
+ return 0;
+}
+EOF
+ ${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy "${UNAME_MACHINE}" && rm dummy.c dummy && exit 0
+ rm -f dummy.c dummy
+ else
+ # Either a pre-BFD a.out linker (linux-gnuoldld) or one that does not give us
+ # useful --help. Gcc wants to distinguish between linux-gnuoldld and linux-gnuaout.
+ test ! -d /usr/lib/ldscripts/. \
+ && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
+ # Determine whether the default compiler is a.out or elf
+ cat >dummy.c <<EOF
+main(argc, argv)
+int argc;
+char *argv[];
+{
+#ifdef __ELF__
+ printf ("%s-pc-linux-gnu\n", argv[1]);
+#else
+ printf ("%s-pc-linux-gnuaout\n", argv[1]);
+#endif
+ return 0;
+}
+EOF
+ ${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy "${UNAME_MACHINE}" && rm dummy.c dummy && exit 0
+ rm -f dummy.c dummy
+ fi ;;
+# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. earlier versions
+# are messed up and put the nodename in both sysname and nodename.
+ i?86:DYNIX/ptx:4*:*)
+ echo i386-sequent-sysv4
+ exit 0 ;;
+ i?86:*:4.*:* | i?86:SYSTEM_V:4.*:*)