From 660222c758a96d6d1783b6664fd36e5b75d332f2 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Francesco=20Potort=C3=AC?= <pot@gnu.org>
Date: Tue, 2 Jan 2007 11:28:13 +0000
Subject: [PATCH 1/1] (main): Pass the -u option to sort in ctags mode.

---
 lib-src/etags.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib-src/etags.c b/lib-src/etags.c
index bab09d77ba..00c4d0cc22 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -1460,8 +1460,11 @@ main (argc, argv)
   if (CTAGS)
     if (append_to_tagfile || update)
       {
-	char cmd[2*BUFSIZ+10];
-	sprintf (cmd, "sort -o %.*s %.*s", BUFSIZ, tagfile, BUFSIZ, tagfile);
+	char cmd[2*BUFSIZ+20];
+	/* Maybe these should be used:
+	   setenv ("LC_COLLATE", "C", 1);
+	   setenv ("LC_ALL", "C", 1); */
+	sprintf (cmd, "sort -u -o %.*s %.*s", BUFSIZ, tagfile, BUFSIZ, tagfile);
 	exit (system (cmd));
       }
   return EXIT_SUCCESS;
-- 
2.20.1