From: Jonathan Riddell <jriddell@ubuntu.com>
Subject: FindQt4: define QT_IMPORTS_DIR variable even if it is not present on the system.
Date: 2012-01-18 16:00:49 UTC
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/cmake/+bug/894805
Origin: vendor

This happens when there are no plugins currently installed.

--- a/Modules/FindQt4.cmake
+++ b/Modules/FindQt4.cmake
@@ -758,7 +758,7 @@ if (QT_QMAKE_EXECUTABLE AND QTVERSION)
   if (QT_LIBRARY_DIR AND NOT QT_IMPORTS_DIR OR QT_QMAKE_CHANGED)
     _qt4_query_qmake(QT_INSTALL_IMPORTS qt_imports_dir)
     if(qt_imports_dir)
-      set(QT_IMPORTS_DIR NOTFOUND)
+      set(QT_IMPORTS_DIR "${qt_imports_dir}")
       foreach(qt_cross_path ${CMAKE_FIND_ROOT_PATH})
         set(qt_cross_paths ${qt_cross_paths} "${qt_cross_path}/imports")
       endforeach()