From 512ff6010cc06a9f37c2d5e43a643f93c58a20cf Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Sun, 20 Jun 1999 08:01:34 +0000
Subject: [PATCH] 	* automake.in (handle_dist_worker): Remove redundant
 entries from 	DIST_SUBDIRS.

---
 ChangeLog   |  3 +++
 automake.in | 15 ++++++++++++---
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 510281b4..d1ef30fd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 1999-06-19  Tom Tromey  <tromey@cygnus.com>
 
+	* automake.in (handle_dist_worker): Remove redundant entries from
+	DIST_SUBDIRS.
+
 	* automake.in (handle_lib_objects_cond): Better error message when
 	unrecognized option passed in LDADD.
 
diff --git a/automake.in b/automake.in
index a6dad577..36a0cc65 100755
--- a/automake.in
+++ b/automake.in
@@ -2720,9 +2720,18 @@ sub handle_dist_worker
 	    $dist_subdir_name = 'DIST_SUBDIRS';
 	    if (! &variable_defined ('DIST_SUBDIRS'))
 	    {
-		&define_pretty_variable ('DIST_SUBDIRS', '',
-					 &variable_value_as_list ('SUBDIRS',
-								  'all'));
+		local (@full_list) = &variable_value_as_list ('SUBDIRS',
+							      'all');
+		local (@ds_list, %uniq, $iter);
+		foreach $iter (@full_list)
+		{
+		    if (! defined $uniq{$iter})
+		    {
+			$uniq{$iter} = 1;
+			push (@ds_list, $iter);
+		    }
+		}
+		&define_pretty_variable ('DIST_SUBDIRS', '', @ds_list);
 	    }
 	}
 	else
-- 
2.43.5