"unknown extension in source" perl error (with patch)

[edward]

hi peeps:

given the following Makefile.am:

noinst_PROGRAMS = foo
foo_SOURCES = foo.i

automake will die with:

+ perl ../../automake --amdir=/usr/beta/src/automake/tests/.. --foreign
-a
Use of uninitialized value in string eq at ../../automake line 5417.

unknown extensions are not tested before used.

ChangeLog:

2001-03-13  Edward M. Lee  <address@hidden>

        * automake.in (handle_single_transform_list): test (and warn the
        user) for unknown extensions before doing language features.

Suggested Patch:

--- automake.in.orig    Tue Mar 13 04:49:55 2001
+++ automake.in Tue Mar 13 06:28:11 2001
@@ -1633,6 +1633,11 @@
         my $renamed = 0;
         my ($linker, $object);

+       if (!defined($extension_map{$extension}))
+       {
+           &am_error ("unknown extension for `$full' in $var");
+           next;
+       }
         $extension = &derive_suffix ($extension);
         my $lang = $extension_map{$extension};
         if ($lang)


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