TargetPlatform=i386-unknown-linux;;
i[[3456]]86-*-freebsd2*)
TargetPlatform=i386-unknown-freebsd2;;
-i[[3456]]86-*-freebsd[[^0-2]]*)
+i[[3456]]86-*-freebsd[[3-9]]*)
TargetPlatform=i386-unknown-freebsd;;
i[[3456]]86-*-netbsd*)
TargetPlatform=i386-unknown-netbsd;;