configure.in: Set with_gnu_as, with_gnu_ld, with_newlib earlier.

2006-01-26  Paolo Bonzini  <bonzini@gnu.org>

	* configure.in: Set with_gnu_as, with_gnu_ld, with_newlib earlier.
	Set md_exec_prefix.  Use ACX_CHECK_INSTALLED_TARGET_TOOL to find
	the assembler, linker and binutils.
	* configure: Regenerate.

2006-01-26  Paolo Bonzini  <bonzini@gnu.org>

	* config/acx.m4 (NCN_STRICT_CHECK_TARGET_TOOLS): Test
	$with_build_time_tools.
	(ACX_PATH_SEP): New.
	(ACX_TOOL_DIRS): Move here from the gcc directory.
	(ACX_CHECK_INSTALLED_TARGET_TOOL): New.
	(GCC_TARGET_TOOL): Do not use a host tool if we found a target tool
	with a complete path in either $with_build_time_tools or $exec_prefix.

2006-01-26  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Expect target tools paths to be passed from the toplevel
	and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
	AS_SET_VAR_IF.
	* acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.

From-SVN: r110266