From 34da6d5a749c4bf2a6b3e6ec30da5fd71999c4be Mon Sep 17 00:00:00 2001
From: Michael Pyne <mpyne@kde.org>
Date: Sun, 9 Oct 2011 13:22:13 -0400
Subject: [PATCH] Better sanity check when making base directory.

This should catch idiot coders (i.e. me) who call getSubdirPath('build')
instead of the correct getSubdirPath('build-dir').
---
 kdesrc-build | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kdesrc-build b/kdesrc-build
index 509323a..21a7ceb 100755
--- a/kdesrc-build
+++ b/kdesrc-build
@@ -1597,6 +1597,11 @@ HOME
         # If build-dir starts with a slash, it is an absolute path.
         return $dir if $dir =~ /^\//;
 
+        # Make sure we got a valid option result.
+        if (!$dir) {
+            confess ("Reading option for $subdirOption gave empty \$dir!");
+        }
+
         # If it starts with a tilde, expand it out.
         if ($dir =~ /^~/)
         {