Whoops tree red. backout.

build/autoconf/make-makefile

@@ -76,15 +76,13 @@ $source_subdir .= '/' unless $source_subdir eq '';
 $ac_given_srcdir = $0;
 $ac_given_srcdir =~ s|/?build/autoconf/.*$||;
 $ac_given_srcdir = '.' if $ac_given_srcdir eq '';
+
 if ($ac_given_srcdir =~ /^\./) {
   while ($depth =~ /\.\./g) {
-    if ($ac_given_srcdir =~ /\//) {
-      $ac_given_srcdir =~ s/\/[^\/]+$//;
-    } else {
-      $ac_given_srcdir = '.';
-    }
+    $ac_given_srcdir =~ s/\/[^\/]+//;
   }
 }
+
 # Build the list of makefiles to generate
 #
 @makefiles = ();
@@ -94,7 +92,7 @@ foreach $makefile (@ARGV) {
   $makefile =~ /Makefile$/ or $makefile .= "/Makefile";
   push @makefiles, "${source_subdir}$makefile";
 }
-@makefiles = "${source_subdir}Makefile" unless @ARGV;
+@makefiles = "Makefile" if $#makefiles == -1;
 
 # Create all the directories at once.
 #   This can be much faster than calling mkdir() for each one.