libgomp: Handle Makefile variable usage in testsuite/libgomp-test-support.exp.
libgomp/
* testsuite/libgomp-test-support.exp.in
(offload_additional_options, offload_additional_lib_paths): Don't
set.
* configure.ac: Instantiate testsuite/libgomp-test-support.pt.exp
instead of testsuite/libgomp-test-support.exp.
* testsuite/Makefile.am (libgomp-test-support.exp): New rule.
(all-local): Depend on it.
* configure: Regenerate.
* testsuite/Makefile.in: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gomp-4_0-branch@219016 138bc75d-0d04-0410-961f-82ee72b054a4