2006-10-24  Stepan Kasal  <address@hidden>

	* bin/autom4te.in (handle_m4): Do not redirect stdin to
	/dev/null since the heuristics for interactive behaviour was
	fixed in CVS m4.

Index: bin/autom4te.in
===================================================================
RCS file: /cvsroot/autoconf/autoconf/bin/autom4te.in,v
retrieving revision 1.103
diff -u -r1.103 autom4te.in
--- bin/autom4te.in	24 Oct 2006 15:57:57 -0000	1.103
+++ bin/autom4te.in	24 Oct 2006 18:10:54 -0000
@@ -454,8 +454,6 @@
 
   # Run m4.
   #
-  # Neutralize its stdin, so that GNU M4 1.5 doesn't neutralize SIGINT.
-  #
   # We don't output directly to the cache files, to avoid problems
   # when we are interrupted (that leaves corrupted files).
   xsystem ("$m4"
@@ -465,7 +463,6 @@
 	   . " @address@hidden" . $req->id . "t"
 	   . join (' --trace=',   '', sort @macro)
 	   . " " . files_to_options (@ARGV)
-	   . ' </dev/null'
 	   . " >$ocache" . $req->id . "t");
 
   # Everything went ok: preserve the outputs.