toplevel:

2005-08-12  Paolo Bonzini  <bonzini@gnu.org>

	* configure.in: Replace NCN_STRICT_CHECK_TOOL with
	NCN_STRICT_CHECK_TOOLS, and likewise for NCN_STRICT_CHECK_TARGET_TOOLS.
	Look for alternate names of the target cc and c++

config:
2005-08-12  Paolo Bonzini  <bonzini@gnu.org>

	* config/acx.m4 (NCN_CHECK_TARGET_TOOL, NCN_STRICT_CHECK_TOOL,
	NCN_STRICT_CHECK_TARGET_TOOL): Remove.
	(NCN_STRICT_CHECK_TOOLS, NCN_STRICT_CHECK_TARGET_TOOLS): New,

1 files changed, 37 insertions, 51 deletions

diff --git a/config/acx.m4 b/config/acx.m4
index b52342cf4ed..94e3216367b 100644
--- a/config/acx.m4
+++ b/config/acx.m4
@@ -103,72 +103,58 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-
 ]) []dnl # _NCN_TOOL_PREFIXES
 
 ####
-# NCN_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
-# Like AC_CHECK_TOOL, but tries a prefix of the target, not the host.
-# Code is pretty much lifted from autoconf2.53.
+# NCN_STRICT_CHECK_TOOLS(variable, progs-to-check-for,[value-if-not-found],[path])
+# Like plain AC_CHECK_TOOLS, but require prefix if build!=target.
 
-AC_DEFUN([NCN_CHECK_TARGET_TOOL],
+AC_DEFUN([NCN_STRICT_CHECK_TOOLS],
 [AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
-if test -n "$ncn_target_tool_prefix"; then
-  AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], 
-                [${ncn_target_tool_prefix}$2], , [$4])
-fi
-if test -z "$ac_cv_prog_$1" ; then
-  ncn_cv_$1=$$1
-  AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [$3], [$4])
-  $1=$ncn_cv_$1
-else
-  $1="$ac_cv_prog_$1"
-fi
-]) []dnl # NCN_CHECK_TARGET_TOOL
-
-
-####
-# NCN_STRICT_CHECK_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
-# Like AC_CHECK_TOOL, but requires the prefix if build!=host.
+for ncn_progname in $2; do
+  if test -n "$ncn_tool_prefix"; then
+    AC_CHECK_PROG([$1], [${ncn_tool_prefix}${ncn_progname}], 
+                  [${ncn_tool_prefix}${ncn_progname}], , [$4])
+  fi
+  if test -z "$ac_cv_prog_$1" && test $build = $host ; then
+    AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4]) 
+  fi
+  test -n "$ac_cv_prog_$1" && break
+done
 
-AC_DEFUN([NCN_STRICT_CHECK_TOOL],
-[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
-if test -n "$ncn_tool_prefix"; then
-  AC_CHECK_PROG([$1], [${ncn_tool_prefix}$2], 
-                [${ncn_tool_prefix}$2], , [$4])
-fi
 if test -z "$ac_cv_prog_$1" ; then
+  ifelse([$3],[], [set dummy $2
   if test $build = $host ; then
-    ncn_cv_$1=$$1
-    AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [ifelse([$3],[],[$2],[$3])], [$4]) 
-    $1=$ncn_cv_$1
+    $1="[$]2"
   else
-    $1="ifelse([$3],[],[${ncn_tool_prefix}$2],[$3])"
-  fi
-else
-  $1="$ac_cv_prog_$1"
+    $1="${ncn_tool_prefix}[$]2"
+  fi], [$1="$3"])
 fi
-]) []dnl # NCN_STRICT_CHECK_TOOL
-
+]) []dnl # NCN_STRICT_CHECK_TOOLS
 
 ####
-# NCN_STRICT_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
-# Like NCN_CHECK_TARGET_TOOL, but requires the prefix if build!=target.
+# NCN_STRICT_CHECK_TARGET_TOOLS(variable, progs-to-check-for,[value-if-not-found],[path])
+# Like CVS Autoconf AC_CHECK_TARGET_TOOLS, but require prefix if build!=target.
 
-AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOL],
+AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOLS],
 [AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
-if test -n "$ncn_target_tool_prefix"; then
-  AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], 
-                [${ncn_target_tool_prefix}$2], , [$4])
-fi
+for ncn_progname in $2; do
+  if test -n "$ncn_target_tool_prefix"; then
+    AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}${ncn_progname}], 
+                  [${ncn_target_tool_prefix}${ncn_progname}], , [$4])
+  fi
+  if test -z "$ac_cv_prog_$1" && test $build = $target ; then
+    AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4]) 
+  fi
+  test -n "$ac_cv_prog_$1" && break
+done
+
 if test -z "$ac_cv_prog_$1" ; then
+  ifelse([$3],[], [set dummy $2
   if test $build = $target ; then
-    ncn_cv_$1=$$1
-    AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [ifelse([$3],[],[$2],[$3])], [$4]) 
-    $1=$ncn_cv_$1
+    $1="[$]2"
   else
-    $1="ifelse([$3],[],[${ncn_target_tool_prefix}$2],[$3])"
-  fi
-else
-  $1="$ac_cv_prog_$1"
+    $1="${ncn_target_tool_prefix}[$]2"
+  fi], [$1="$3"])
 fi
-]) []dnl # NCN_STRICT_CHECK_TARGET_TOOL
+]) []dnl # NCN_STRICT_CHECK_TARGET_TOOLS
 
 ###
 # AC_PROG_CPP_WERROR