diff --git a/CMakeLists.txt b/CMakeLists.txt
index 03e58f6..d3c0334 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,12 +1,16 @@
 cmake_minimum_required(VERSION 2.6) # Pretty much nothing works without this
 project(kdesrc-build)
 
-find_package(KDE4 REQUIRED) # Needed for the docs
+find_package(KDE4) # Needed for the docs, but optional.
 
-include(KDE4Defaults)
-include(MacroLibrary)
-
-macro_optional_add_subdirectory(doc)
+if (KDE4_FOUND)
+  include(KDE4Defaults)
+  include(MacroLibrary)
+  macro_optional_add_subdirectory(doc)
+else()
+   set(DATA_INSTALL_DIR  "${CMAKE_INSTALL_PREFIX}/apps" CACHE PATH "The parent directory where applications can install their data")
+   set(BIN_INSTALL_DIR   "${CMAKE_INSTALL_PREFIX}/bin"  CACHE PATH "The install dir for executables")
+endif()
 
 install(PROGRAMS ${CMAKE_CURRENT_SOURCE_DIR}/kdesrc-build DESTINATION ${BIN_INSTALL_DIR})
 install(FILES kdesrc-buildrc.xml DESTINATION ${DATA_INSTALL_DIR}/katepart/syntax)