* configure.in (auto-build.h): Use target_alias and build_alias

	when running configure.
	(gcc_cv_as, gcc_cv_ld): Search install paths when build != host too.
	(gcc_cv_nm, gcc_cv_objdump): Set for build != host too.
	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52020 138bc75d-0d04-0410-961f-82ee72b054a4