--- gdcm-2.4.0.orig/CMakeLists.txt	2013-10-16 10:28:54.000000000 +0200
+++ gdcm-2.4.0/CMakeLists.txt	2013-10-20 20:49:44.857086416 +0200
@@ -27,13 +27,6 @@
 
 #-----------------------------------------------------------------------------
 # Disallow insource build since I never test that
-string(COMPARE EQUAL "${GDCM_SOURCE_DIR}" "${GDCM_BINARY_DIR}" INSOURCE)
-get_filename_component(PARENTDIR ${GDCM_BINARY_DIR} PATH)
-string(COMPARE EQUAL "${GDCM_SOURCE_DIR}" "${PARENTDIR}" INSOURCESUBDIR)
-if(INSOURCE OR INSOURCESUBDIR)
-  message(FATAL_ERROR "GDCM requires an out of source Build. "
-    "Please create a separate binary directory and run CMake there.")
-endif()
 
 #----------------------------------------------------------------------------
 set(GDCM_MAJOR_VERSION 2)