AC_CHECK_TOOL_PREFIX, it's dead.
# prefix. If none can be found with a cross prefix, then use
# the first one that was found without the cross prefix.
AC_DEFUN([AC_CHECK_TOOLS],
-[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
-ac_check_tools_first_found=
+[ac_check_tools_first_found=
for ac_prog in $2
do
AC_CHECK_PROG([$1], ${ac_tool_prefix}$ac_prog,
# prefix. If none can be found with a cross prefix, then use
# the first one that was found without the cross prefix.
AC_DEFUN([AC_CHECK_TOOLS],
-[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
-ac_check_tools_first_found=
+[ac_check_tools_first_found=
for ac_prog in $2
do
AC_CHECK_PROG([$1], ${ac_tool_prefix}$ac_prog,