2004-03-16 Paolo Bonzini <bonzini@gnu.org>

2004-03-16  Paolo Bonzini  <bonzini@gnu.org>

	* lib/autoconf/programs.m4 (AC_PATH_TOOL, AC_CHECK_TOOL,
	AC_CHECK_TOOLS): Warn if a cross-tool is found without
	a prefix.
	(AC_PATH_TARGET_TOOL, AC_CHECK_TARGET_TOOL,
	AC_CHECK_TARGET_TOOLS): New macros.
	* doc/autoconf.texi (Generic Programs): Document
	(AC_PATH_TARGET_TOOL, AC_CHECK_TARGET_TOOL,
	AC_CHECK_TARGET_TOOLS, and warn for future changes
	in the behavior of AC_PATH_TOOL, AC_CHECK_TOOL and
	AC_CHECK_TOOLS.
	(Specifying Names): Document the reason for these future
	behavioral changes.
	* tests/mktests.sh: Do not generate tests for the
	new macros.
	* NEWS: Document these changes.

	* doc/autoconf.texi: Avoid macros with unbraced arguments,
	they make TeX hang up.