Modified CMake to include the launcher directory

CMakeLists.txt

@@ -294,10 +294,10 @@ if (WIN32)
 configure_file(${OpenMW_SOURCE_DIR}/files/plugins.cfg.win32
     "${OpenMW_BINARY_DIR}/plugins.cfg" COPYONLY)
 endif (WIN32)
-if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+if (LINUX)
 configure_file(${OpenMW_SOURCE_DIR}/files/plugins.cfg.linux
     "${OpenMW_BINARY_DIR}/plugins.cfg")
-endif()
+endif (LINUX)
 if (APPLE)
 configure_file(${OpenMW_SOURCE_DIR}/files/plugins.cfg.mac
     "${OpenMW_BINARY_DIR}/plugins.cfg")
@@ -394,6 +394,8 @@ if (BUILD_ESMTOOL)
   add_subdirectory( apps/esmtool )
 endif()
 
+add_subdirectory( apps/launcher )
+
 if (WIN32)
   if (MSVC)
     if (USE_DEBUG_CONSOLE)