Update source and build directory associated with external project

Doing so will decrease the average length of external project path
associated with CTK.

If needed, make the "cleaning" of external project easier
"rm VTK*" instead of "cd" in each CMakeExternals sub folders ..

CMakeExternals/CTKData.cmake

@@ -17,6 +17,9 @@ IF(BUILD_TESTING)
   IF(NOT DEFINED CTKData_DIR)
   #   MESSAGE(STATUS "Adding project:${proj}")
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       GIT_REPOSITORY ${git_protocol}://github.com/commontk/CTKData.git
       GIT_TAG "origin/master"
       CONFIGURE_COMMAND ""
@@ -25,7 +28,7 @@ IF(BUILD_TESTING)
       DEPENDS
         ${proj_DEPENDENCIES}
       )
-	  SET(CTKData_DIR ${ep_source_dir}/${proj})
+	  SET(CTKData_DIR ${CMAKE_BINARY_DIR}/${proj})
 	ELSE()
 	  ctkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
   ENDIF()

CMakeExternals/DCMTK.cmake

@@ -22,21 +22,24 @@ IF(${add_project})
 #     MESSAGE(STATUS "Adding project:${proj}")
 
     ExternalProject_Add(${proj}
-        GIT_REPOSITORY "${git_protocol}://github.com/commontk/DCMTK.git"
-        GIT_TAG "origin/patched"
-        CMAKE_GENERATOR ${gen}
-        BUILD_COMMAND ""
-        CMAKE_ARGS
-          ${ep_common_args}
-          -DDCMTK_BUILD_APPS:BOOL=ON # Build also dmctk tools (movescu, storescp, ...)
-        )
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
+      GIT_REPOSITORY "${git_protocol}://github.com/commontk/DCMTK.git"
+      GIT_TAG "origin/patched"
+      CMAKE_GENERATOR ${gen}
+      BUILD_COMMAND ""
+      CMAKE_ARGS
+        ${ep_common_args}
+        -DDCMTK_BUILD_APPS:BOOL=ON # Build also dmctk tools (movescu, storescp, ...)
+      )
     SET(DCMTK_DIR ${ep_install_dir})
 
     ExternalProject_Add_Step(${proj} force_rebuild
       COMMENT "Force ${proj} re-build"
       DEPENDERS build    # Steps that depend on this step
       ALWAYS 1
-      WORKING_DIRECTORY ${ep_build_dir}/${proj}
+      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/${proj}-build
       DEPENDS
         ${proj_DEPENDENCIES}
       )

CMakeExternals/ITK.cmake

@@ -19,6 +19,9 @@ IF(${add_project})
   IF(NOT DEFINED ITK_DIR)
 #     MESSAGE(STATUS "Adding project:${proj}")
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       GIT_REPOSITORY "${git_protocol}://itk.org/ITK.git"
       GIT_TAG "origin/master"
       INSTALL_COMMAND ""
@@ -37,7 +40,7 @@ IF(${add_project})
       DEPENDS
         ${proj_DEPENDENCIES}
       )
-    SET(ITK_DIR ${ep_build_dir}/${proj})
+    SET(ITK_DIR ${CMAKE_BINARY_DIR}/${proj}-build)
     
     # Since the link directories associated with ITK is used, it makes sens to 
     # update CTK_EXTERNAL_LIBRARY_DIRS with its associated library output directory

CMakeExternals/KWStyle.cmake

@@ -16,6 +16,9 @@ IF(CTK_USE_KWSTYLE)
   
   IF(NOT DEFINED CTK_KWSTYLE_EXECUTABLE)
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       LIST_SEPARATOR ${sep}
       CVS_REPOSITORY ":pserver:anoncvs:@public.kitware.com:/cvsroot/KWStyle"
       CVS_MODULE "KWStyle"

CMakeExternals/Log4Qt.cmake

@@ -20,6 +20,9 @@ IF(${add_project})
   IF(NOT DEFINED Log4Qt_DIR)
 #     MESSAGE(STATUS "Adding project:${proj}")
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       GIT_REPOSITORY "${git_protocol}://github.com/commontk/Log4Qt.git"
       GIT_TAG "origin/patched"
       CMAKE_GENERATOR ${gen}

CMakeExternals/OpenIGTLink.cmake

@@ -21,6 +21,9 @@ IF(${add_project})
     
   #   MESSAGE(STATUS "Adding project:${proj}")
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       SVN_REPOSITORY "http://svn.na-mic.org/NAMICSandBox/trunk/OpenIGTLink"
       INSTALL_COMMAND ""
       CMAKE_GENERATOR ${gen}
@@ -29,7 +32,7 @@ IF(${add_project})
       DEPENDS
         ${proj_DEPENDENCIES}
       )
-    SET(OpenIGTLink_DIR ${ep_build_dir}/${proj})
+    SET(OpenIGTLink_DIR ${CMAKE_BINARY_DIR}/${proj}-build)
   
   ELSE()
     ctkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")

CMakeExternals/PythonQt.cmake

@@ -42,6 +42,9 @@ IF(${add_project})
     ENDIF()
       
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       GIT_REPOSITORY "${git_protocol}://github.com/commontk/PythonQt.git"
       GIT_TAG "origin/patched"
       CMAKE_GENERATOR ${gen}

CMakeExternals/PythonQtGenerator.cmake

@@ -30,13 +30,16 @@ IF(CTK_WRAP_PYTHONQT_FULL)
     # on the same repository, we will assume that if the directory PythonQt 
     # exists, the generator code will also be available.
     #
-    IF(EXISTS ${ep_source_dir}/PythonQt)
+    IF(EXISTS ${CMAKE_BINARY_DIR}/PythonQt)
       #MESSAGE(STATUS "ExternalProject/PythonQtGenerator: PythonQt already added as ExternalProject")
       ExternalProject_Add(${proj}
+        SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+        BINARY_DIR ${proj}-build
+        PREFIX ${proj}${ep_suffix}
         DOWNLOAD_COMMAND ""
         CMAKE_GENERATOR ${gen}
         INSTALL_COMMAND ""
-        SOURCE_DIR ${ep_source_dir}/PythonQt/generator
+        SOURCE_DIR ${CMAKE_BINARY_DIR}/PythonQt/generator
         CMAKE_ARGS
           ${ep_common_args}
           -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}
@@ -46,18 +49,21 @@ IF(CTK_WRAP_PYTHONQT_FULL)
     ELSE()
       #MESSAGE(STATUS "ExternalProject/PythonQtGenerator: PythonQt is NOT an ExternalProject")
       ExternalProject_Add(${proj}
+        SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+        BINARY_DIR ${proj}-build
+        PREFIX ${proj}${ep_suffix}
         GIT_REPOSITORY "${git_protocol}://github.com/commontk/PythonQt.git"
         GIT_TAG "patched"
         CMAKE_GENERATOR ${gen}
         INSTALL_COMMAND ""
-        SOURCE_DIR ${ep_source_dir}/${proj}/generator
+        SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}/generator
         CMAKE_ARGS
           ${ep_common_args}
           -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}
         )
     ENDIF()
     
-    SET(PYTHONQTGENERATOR_EXECUTABLE ${ep_build_dir}/PythonQtGenerator/PythonQtGenerator)
+    SET(PYTHONQTGENERATOR_EXECUTABLE ${CMAKE_BINARY_DIR}/PythonQtGenerator/PythonQtGenerator)
     
     # Since PythonQtGenerator is an executable, there is no need to add its corresponding 
     # library output directory to CTK_EXTERNAL_LIBRARY_DIRS

CMakeExternals/QtMobility.cmake

@@ -20,7 +20,7 @@ IF(${add_project})
     ENDIF()
     
     # Configure patch script
-    SET(qtmobility_src_dir ${ep_source_dir}/${proj})
+    SET(qtmobility_src_dir ${CMAKE_BINARY_DIR}/${proj})
     SET(qtmobility_patch_dir ${CTK_SOURCE_DIR}/Utilities/QtMobility/)
     SET(qtmobility_configured_patch_dir ${CTK_BINARY_DIR}/Utilities/QtMobility/)
     SET(qtmobility_patchscript
@@ -51,7 +51,7 @@ IF(${add_project})
       SET(qtmobility_install_cmd ${qtmobility_make_cmd} install)
       
       SET(QTMOBILITY_QTSERVICEFW_INCLUDE_DIR 
-          "${CTK_BINARY_DIR}/CMakeExternals/Source/QtMobility/install/include")
+          "${CTK_BINARY_DIR}/QtMobility/install/include")
       SET(QTMOBILITY_QTSERVICEFW_LIBRARY_DEBUG
           "${CTK_CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libQtServiceFrameworkd.so")
       SET(QTMOBILITY_QTSERVICEFW_LIBRARY_RELEASE
@@ -68,7 +68,7 @@ IF(${add_project})
         SET(qtmobility_servicefw_libname_release libQtServiceFramework.a)
       ENDIF()
 
-      SET(qtmobility_win32_install_prefix "${ep_source_dir}/${proj}/install/")
+      SET(qtmobility_win32_install_prefix "${CTK_BINARY_DIR}/${proj}/install/")
       STRING(REPLACE "/" "\\" qtmobility_win32_native_install_prefix ${qtmobility_win32_install_prefix})
 
       SET(qtmobility_config_args -${qtmobility_build_type} -qt ${QT_BINARY_DIR} -prefix ${qtmobility_win32_native_install_prefix} -no-docs -modules ${qtmobility_modules})
@@ -82,6 +82,8 @@ IF(${add_project})
     ENDIF()
     
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      PREFIX ${proj}${ep_suffix}
       URL ${CTK_SOURCE_DIR}/Utilities/QtMobility/qt-mobility-servicefw-opensource-src-1.0.0.tar.gz
       PATCH_COMMAND ${CMAKE_COMMAND} -P ${qtmobility_patchscript}
       CONFIGURE_COMMAND <SOURCE_DIR>/configure ${qtmobility_config_args}

CMakeExternals/QtSOAP.cmake

@@ -22,6 +22,9 @@ IF(${add_project})
   
     #     MESSAGE(STATUS "Adding project:${proj}")
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       GIT_REPOSITORY "${git_protocol}://github.com/commontk/QtSOAP.git"
       GIT_TAG "origin/master"
       CMAKE_GENERATOR ${gen}
@@ -32,7 +35,7 @@ IF(${add_project})
       DEPENDS
         ${proj_DEPENDENCIES}
       )
-    SET(QtSOAP_DIR "${ep_build_dir}/${proj}")
+    SET(QtSOAP_DIR "${CMAKE_BINARY_DIR}/${proj}-build")
     
     # Since QtSOAP is statically build, there is not need to add its corresponding 
     # library output directory to CTK_EXTERNAL_LIBRARY_DIRS

CMakeExternals/VTK.cmake

@@ -32,6 +32,9 @@ IF(${add_project} OR CTK_LIB_Scripting/Python/Core_PYTHONQT_USE_VTK)
   IF(NOT DEFINED VTK_DIR)
 #     MESSAGE(STATUS "Adding project:${proj}")
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       GIT_REPOSITORY ${git_protocol}://vtk.org/VTK.git
       GIT_TAG "origin/master"
       INSTALL_COMMAND ""
@@ -52,7 +55,7 @@ IF(${add_project} OR CTK_LIB_Scripting/Python/Core_PYTHONQT_USE_VTK)
       DEPENDS
         ${proj_DEPENDENCIES}
       )
-    SET(VTK_DIR ${ep_build_dir}/${proj})
+    SET(VTK_DIR ${CMAKE_BINARY_DIR}/${proj}-build)
     
     # Since the link directories associated with VTK is used, it makes sens to 
     # update CTK_EXTERNAL_LIBRARY_DIRS with its associated library output directory

CMakeExternals/XIP.cmake

@@ -19,6 +19,9 @@ IF(${add_project})
   IF(NOT DEFINED XIP_DIR)
     #   MESSAGE(STATUS "Adding project:${proj}")
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       SVN_REPOSITORY "https://collab01a.scr.siemens.com/svn/xip/releases/latest"
       SVN_USERNAME "anonymous"
       INSTALL_COMMAND ""
@@ -28,7 +31,7 @@ IF(${add_project})
         -DHAS_VTK:BOOL=OFF
         -DHAS_ITK:BOOL=OFF
       )
-    SET(XIP_DIR ${ep_build_dir}/${proj})
+    SET(XIP_DIR ${CMAKE_BINARY_DIR}/${proj}-build)
     
   ELSE()
     ctkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")

CMakeExternals/ZMQ.cmake

@@ -20,6 +20,9 @@ IF(${add_project})
   IF(NOT DEFINED ZMQ_DIR)
   #   MESSAGE(STATUS "Adding project:${proj}")
     ExternalProject_Add(${proj}
+      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+      BINARY_DIR ${proj}-build
+      PREFIX ${proj}${ep_suffix}
       GIT_REPOSITORY ${git_protocol}://github.com/PatrickCheng/zeromq2.git
       GIT_TAG "origin/master"
       INSTALL_COMMAND ""
@@ -32,7 +35,7 @@ IF(${add_project})
 		  DEPENDS
 		    ${proj_DEPENDENCIES}
       )
-    SET(ZMQ_DIR ${ep_build_dir}/${proj})
+    SET(ZMQ_DIR ${CMAKE_BINARY_DIR}/${proj}-build)
 	
   ELSE()
     ctkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")

SuperBuild.cmake

@@ -73,12 +73,11 @@ endif()
 INCLUDE(ExternalProject)
 INCLUDE(ctkMacroEmptyExternalProject)
 
-SET(ep_base "${CMAKE_BINARY_DIR}/CMakeExternals")
-SET_PROPERTY(DIRECTORY PROPERTY EP_BASE ${ep_base})
+#SET(ep_base "${CMAKE_BINARY_DIR}/CMakeExternals")
+#SET_PROPERTY(DIRECTORY PROPERTY EP_BASE ${ep_base})
 
-SET(ep_install_dir ${ep_base}/Install)
-SET(ep_build_dir ${ep_base}/Build)
-SET(ep_source_dir ${ep_base}/Source)
+SET(ep_install_dir ${CMAKE_BINARY_DIR}/CMakeExternals/Install)
+set(ep_suffix      "-cmake")
 #SET(ep_parallelism_level)
 SET(ep_build_shared_libs ON)
 SET(ep_build_testing OFF)
@@ -254,7 +253,6 @@ ExternalProject_Add(${proj}
     ${CTK_DEPENDS}
   )
 
-
 #-----------------------------------------------------------------------------
 # CTK
 #

Utilities/QtMobility/QtMobility-1.0.0-patch.cmake.in

@@ -1,17 +1,17 @@
 # the patch step is run before the update step
 # so we need to checkout the 1.0 branch here
 
-set(work_dir @ep_source_dir@)
+set(work_dir "@CMAKE_BINARY_DIR@")
 set(proj_dir ${work_dir}/@proj@)
 
-INCLUDE(@CTK_SOURCE_DIR@/CMake/ctkFunctionLFtoCRLF.cmake)
-INCLUDE(@CTK_SOURCE_DIR@/CMake/ctkFunctionApplyPatches.cmake)
+INCLUDE("@CTK_SOURCE_DIR@/CMake/ctkFunctionLFtoCRLF.cmake")
+INCLUDE("@CTK_SOURCE_DIR@/CMake/ctkFunctionApplyPatches.cmake")
 
-SET(patch_dir @qtmobility_patch_dir@)
-SET(configured_patch_dir @qtmobility_configured_patch_dir@)
+SET(patch_dir "@qtmobility_patch_dir@")
+SET(configured_patch_dir "@qtmobility_configured_patch_dir@")
 
 # Variable required to properly configured the patch files
-SET(QT_BINARY_DIR @QT_BINARY_DIR@)
+SET(QT_BINARY_DIR "@QT_BINARY_DIR@")
 
 SET(patch_files