automake internal error

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That's what I get when I try to compile VLS (from the videolan project) on
Cygwin 1.5.9 / W2K.

Can you help? What other information would you need?

Thanks

-Mario


+ automake-1.7 --add-missing --copy
Use of uninitialized value in exists at /usr/bin/automake-1.7 line 5293,
<GEN0> line 1.
Use of uninitialized value in concatenation (.) or string at
/usr/bin/automake-1.7 line 5293, <GEN0> line 1.
automake-1.7: ####################
automake-1.7: ## Internal Error ##
automake-1.7: ####################
automake-1.7: unrequested trace `'   <----- I checked,there is no hidden CR
automake-1.7: Please contact <address@hidden>.
 at /usr/autotool/devel/share/automake-1.7/Automake/Channels.pm line 485
        Automake::Channels::msg('automake','','unrequested trace `\'') called
at /usr/bin/automake-1.7 line 1172
        Automake::prog_error('unrequested trace `\'') called at
/usr/bin/automake-1.7 line 5293
        Automake::scan_autoconf_traces('configure.ac') called at
/usr/bin/automake-1.7 line 5418
        Automake::scan_autoconf_files called at /usr/bin/automake-1.7 line
1124



The corresponding extract from automake-1.7:

  while ($_ = $tracefh->getline)
    {
      chomp;
      my ($here, @args) = split /::/;
      my $macro = $args[0];

      prog_error ("unrequested trace `$macro'") unless exists $traced{$macro};
<-----  error happens here!

      # Skip and diagnose malformed calls.
      if ($#args < $traced{$macro})
 {
   msg ('syntax', $here, "not enough arguments for $macro");
   next;
 }

      # Alphabetical ordering please.
      if ($macro eq 'AC_CANONICAL_HOST')
 {
   if (! $seen_canonical)
     {
       $seen_canonical = AC_CANONICAL_HOST;
       $canonical_location = $here;
     };
 }
...
...
...