From: Travis Cross <tc@traviscross.com>
Date: Mon, 5 May 2014 21:38:52 +0000 (+0000)
Subject: Avoid training :'s in paths
X-Git-Tag: v1.5.12~38^2~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0a56e643b13cfb1cb5546a3ff0ae962f93ce8602;p=thirdparty%2Ffreeswitch.git

Avoid training :'s in paths

When the path was empty, path_push_unique would cause a training colon
to be added.  This was a known issue that didn't cause any harm, but
while we're here, we'll clean this up.
---

diff --git a/configure.ac b/configure.ac
index 39e8063276..10087e3b0b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -607,7 +607,11 @@ path_remove () {
 path_push_unique () {
   x="$(eval echo \$$1)"
   x="$(path_remove "$x" "$2")"
-  eval export $1="$2:$x"
+  if test -z "$x"; then
+    eval export $1="$2"
+  else
+    eval export $1="$2:$x"
+  fi
 }
 
 # tweak platform specific flags