* configure.ac (*-*-sysv4*): Don't enable libgomp.
	(alpha*-*-*vms*, i[[34567]]86-*-sco3.2v5*, mn10300-*-*,
	powerpc-*-chorusos*, powerpc*-*-eabi*, powerpc*-*-sysv*,
	powerpc*-*-kaos*, s390x-ibm-tpf*, sparc64-*-elf*, v850*-*-*,
	xtensa*-*-elf*, *-*-beos*, *-*-elf*, *-*-netware*, *-*-rtems*,
	*-*-sysv[[45]]*, *-*-vxworks*, *-wrs-windiss): Remove
	md_exec_prefix cases.
	* configure: Regenerate.

From-SVN: r171829