diff --git a/CMakeExternals/DCMTK.cmake b/CMakeExternals/DCMTK.cmake
index 3265921650..84afd1b899 100644
--- a/CMakeExternals/DCMTK.cmake
+++ b/CMakeExternals/DCMTK.cmake
@@ -1,65 +1,71 @@
 #-----------------------------------------------------------------------------
 # DCMTK
 #-----------------------------------------------------------------------------
 
 if(MITK_USE_DCMTK)
 
   # Sanity checks
   if(DEFINED DCMTK_DIR AND NOT EXISTS ${DCMTK_DIR})
     message(FATAL_ERROR "DCMTK_DIR variable is defined but corresponds to non-existing directory")
   endif()
 
   set(proj DCMTK)
   set(proj_DEPENDENCIES )
   set(DCMTK_DEPENDS ${proj})
 
+if(CMAKE_GENERATOR MATCHES Xcode)
+  message(Using Xcode Generator)
+  set(DCMTK_PATCH_COMMAND ${CMAKE_COMMAND} -DTEMPLATE_FILE:FILEPATH=${MITK_SOURCE_DIR}/CMakeExternals/EmptyFileForPatching.dummy -P ${MITK_SOURCE_DIR}/CMakeExternals/PatchDCMTK-20122202.cmake)
+endif()
+
   if(NOT DEFINED DCMTK_DIR)
     if(UNIX)
       set(DCMTK_CXX_FLAGS "-fPIC")
       set(DCMTK_C_FLAGS "-fPIC")
     endif(UNIX)
     if(DCMTK_DICOM_ROOT_ID)
       set(DCMTK_CXX_FLAGS "${DCMTK_CXX_FLAGS} -DSITE_UID_ROOT=\\\"${DCMTK_DICOM_ROOT_ID}\\\"")
       set(DCMTK_C_FLAGS "${DCMTK_CXX_FLAGS} -DSITE_UID_ROOT=\\\"${DCMTK_DICOM_ROOT_ID}\\\"")
     endif()
 
 
     set (dcmtk_shared_flags "-DBUILD_SHARED_LIBS:BOOL=${MITK_DCMTK_BUILD_SHARED_LIBS}")
     if (NOT MITK_DCMTK_BUILD_SHARED_LIBS)
       set (dcmtk_shared_flags ${dcmtk_shared_flags} "-DDCMTK_FORCE_FPIC_ON_UNIX:BOOL=ON")
     endif()
 
     ExternalProject_Add(${proj}
       SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}-src
       BINARY_DIR ${proj}-build
       PREFIX ${proj}-cmake
       URL ${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/dcmtk-3.6.1_20120222.tar.gz
       URL_MD5 86fa9e0f91e4e0c6b44d513ea48391d6
       INSTALL_DIR ${proj}-install
+      PATCH_COMMAND ${DCMTK_PATCH_COMMAND}
       CMAKE_GENERATOR ${gen}
       CMAKE_ARGS
          ${ep_common_args}
          -DDCMTK_OVERWRITE_WIN32_COMPILER_FLAGS:BOOL=OFF
          ${dcmtk_shared_flags}
          "-DCMAKE_CXX_FLAGS:STRING=${ep_common_CXX_FLAGS} ${DCMTK_CXX_FLAGS}"
          "-DCMAKE_C_FLAGS:STRING=${ep_common_C_FLAGS} ${DCMTK_C_FLAGS}"
          -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_CURRENT_BINARY_DIR}/${proj}-install
          -DDCMTK_INSTALL_BINDIR:STRING=bin/${CMAKE_CFG_INTDIR}
          -DDCMTK_INSTALL_LIBDIR:STRING=lib/${CMAKE_CFG_INTDIR}
          -DDCMTK_WITH_DOXYGEN:BOOL=OFF
          -DDCMTK_WITH_ZLIB:BOOL=OFF # see bug #9894
          -DDCMTK_WITH_OPENSSL:BOOL=OFF # see bug #9894
          -DDCMTK_WITH_PNG:BOOL=OFF # see bug #9894
          -DDCMTK_WITH_TIFF:BOOL=OFF  # see bug #9894
          -DDCMTK_WITH_XML:BOOL=OFF  # see bug #9894
          -DDCMTK_WITH_ICONV:BOOL=OFF  # see bug #9894
       DEPENDS ${proj_DEPENDENCIES}
       )
     set(DCMTK_DIR ${CMAKE_CURRENT_BINARY_DIR}/${proj}-install)
 
   else()
 
     mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
 
   endif()
 endif()
diff --git a/CMakeExternals/PatchDCMTK-20122202.cmake b/CMakeExternals/PatchDCMTK-20122202.cmake
new file mode 100644
index 0000000000..274bcc8dfd
--- /dev/null
+++ b/CMakeExternals/PatchDCMTK-20122202.cmake
@@ -0,0 +1,24 @@
+# Called by DCMTK.cmake (ExternalProject_Add) as a patch for DCMTK.
+# Changes DCMTK_BUILD_DATE so that superbuild will work with Xcode
+
+# read whole file
+file(STRINGS CMakeLists.txt sourceCode NEWLINE_CONSUME)
+
+# Changing the way DCMTK_BUILD_DATE is set in CMakeLists.txt
+# This way it is not a compiler flag but set in the dcmtk config file
+string(REGEX REPLACE "ADD_DEFINITIONS[(]\"-DDCMTK_BUILD_DATE" "set(DCMTK_BUILD_DATE \"\\\\\"2012-02-22\\\\\"\")\n#ADD_DEFINITIONS[(]\"-DDCMTK_BUILD_DATE" sourceCode ${sourceCode})
+
+# set variable CONTENTS, which is substituted in TEMPLATE_FILE
+set(CONTENTS ${sourceCode})
+configure_file(${TEMPLATE_FILE} CMakeLists.txt @ONLY)
+
+# read whole file
+file(STRINGS CMake/osconfig.h.in sourceCode2 NEWLINE_CONSUME)
+
+# Add DCMTK_BUILD_DATE to osconfig.h.in
+string(REGEX REPLACE "\"@DCMTK_PACKAGE_DATE@\"" "\"@DCMTK_PACKAGE_DATE@\"\n\n#define DCMTK_BUILD_DATE @DCMTK_BUILD_DATE@\n" sourceCode2 ${sourceCode2})
+
+# set variable CONTENTS, which is substituted in TEMPLATE_FILE
+set(CONTENTS ${sourceCode2})
+configure_file(${TEMPLATE_FILE} CMake/osconfig.h.in @ONLY)
+