From cbadcad8583475095a8430ba368d9dd1f30230a9 Mon Sep 17 00:00:00 2001
From: Christoph Sommer <mail@christoph-sommer.de>
Date: Thu, 20 Dec 2007 15:31:21 +0000
Subject: [PATCH] Fixed cmake 2.4 failing if data/levels contains a dir without
 levels

SVN-Revision: 5213
---
 CMakeLists.txt | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b49edf8e6..9f65048be 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,12 +32,6 @@
 #
 
 
-#
-# Open Issues:
-#  - none?
-#
-
-
 ## Project name to use as command prefix
 
 PROJECT(SUPERTUX)
@@ -242,6 +236,8 @@ IF(GENERATE_MESSAGESPOT)
     FOREACH(SUPERTUX_LEVEL_DIR ${SUPERTUX_LEVEL_DIRS})
       FILE(GLOB SUPERTUX_LEVELS RELATIVE ${SUPERTUX_SOURCE_DIR} ${SUPERTUX_LEVEL_DIR}/*.stl ${SUPERTUX_LEVEL_DIR}/*.stwm ${SUPERTUX_LEVEL_DIR}/*.txt)
 
+      ## Do not add target if SUPERTUX_LEVELS is empty. This is needed for cmake <=2.4
+      IF(SUPERTUX_LEVELS)
       SET(MESSAGES_POT_FILE ${SUPERTUX_SOURCE_DIR}/${SUPERTUX_LEVEL_DIR}/messages.pot)
       ADD_CUSTOM_COMMAND(
         OUTPUT ${MESSAGES_POT_FILE}
@@ -252,6 +248,7 @@ IF(GENERATE_MESSAGESPOT)
         COMMENT "Generating POT file ${MESSAGES_POT_FILE}"
       )
       LIST(APPEND MESSAGES_POT_FILES ${MESSAGES_POT_FILE})
+      ENDIF(SUPERTUX_LEVELS)
 
     ENDFOREACH(SUPERTUX_LEVEL_DIR)
 
-- 
2.11.0