(main): Pass the -u option to sort in ctags mode.

diff --git a/lib-src/etags.c b/lib-src/etags.c
index bab09d77bacb475f4d68fd0ea8a173d5cd06f9ba..00c4d0cc22ec802d844abfb6d2fd499e2ed8be16 100644 (file)
--- 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;