From 9347f35bc28fc7857fc520bedf0cf36d8e34c2e6 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sun, 8 Apr 2018 08:41:53 -0700
Subject: configure: lndir tweaks.

* configure (lndir): Strip trailing slash from todir argument
to prevent double slashes. Remove the destination in case
it is a symlink to a directory.
---
 configure | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index f05f2969..82f7ead6 100755
--- a/configure
+++ b/configure
@@ -590,7 +590,7 @@ printf "Checking source directory \"%s\" ..." "$top_srcdir"
 lndir()
 {
   fromdir=$1
-  todir=$2
+  todir=${2%/}
   abs=${fromdir%${fromdir#/}}
 
   find "$fromdir" \( -type f -o -type d \) | while read frompath ; do
@@ -610,6 +610,7 @@ lndir()
           [ $1 = "." ] || dots="$dots../"
           shift
         done
+        rm -f "$todir/$topath"
         ln -sf "$dots$frompath" "$todir/$topath"
       fi
     else
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