empty external project macro added

Author: Daniele Giunchi

CMake/mafMacroEmptyExternalProject.cmake

@@ -0,0 +1,49 @@
+#
+#  CMakeLists.txt
+#  MAF
+#
+#  Created by Daniele Giunchi - Paolo Quadrani on 10/09/10.
+#  Copyright 2009 B3C. All rights reserved.
+#
+#  See Licence at: http://tiny.cc/QXJ4D
+#
+#
+
+###########################################################################
+#
+#  Library:   CTK
+#
+#  Copyright (c) Kitware Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.commontk.org/LICENSE
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+###########################################################################
+
+#
+# Convenient macro allowing to define a "empty" project in case an external one is provided
+# using for example <proj>_DIR. 
+# Doing so allows to keep the external project dependency system happy.
+#
+macro(mafMacroEmptyExternalProject proj dependencies)
+
+  ExternalProject_Add(${proj}
+    SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
+    BINARY_DIR ${proj}-build
+    DOWNLOAD_COMMAND ""
+    CONFIGURE_COMMAND ""
+    BUILD_COMMAND ""
+    INSTALL_COMMAND ""
+    DEPENDS 
+      ${dependencies}
+    )
+endmacro()

CMakeExternals/External_QtSOAP.cmake

@@ -33,6 +33,7 @@ SET(QtSOAP_DEPENDS)
     # library output directory to CTK_EXTERNAL_LIBRARY_DIRS
 
   ELSE()
+    include(CMake/mafMacroEmptyExternalProject.cmake)
     mafMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
   ENDIF()
 

CMakeExternals/External_VTK.cmake

@@ -41,7 +41,7 @@ if(NOT DEFINED VTK_DIR OR NOT DEFINED VTK_SOURCE_DIR)
   #if (MAF_USE_PYTHONQT)
   #  list(APPEND VTK_QT_ARGS -DVTK_USE_TK:BOOL=OFF)
   #endif()
-  
+
   ExternalProject_Add(${proj}
     GIT_REPOSITORY "${git_protocol}://vtk.org/VTK.git"
     #GIT_TAG "origin"
@@ -82,6 +82,7 @@ CMAKE_ARGS
 else()
   # The project is provided using VTK_DIR and VTK_SOURCE_DIR, nevertheless since other 
   # project may depend on VTK, let's add an 'empty' one
+  include(CMake/mafMacroEmptyExternalProject.cmake)
   mafMacroEmptyExternalProject(${proj} "${VTK_DEPENDENCIES}")
 endif()
 

CMakeExternals/External_VXL.cmake

@@ -54,6 +54,7 @@ SET(VXL_DEPENDS)
     # library output directory to CTK_EXTERNAL_LIBRARY_DIRS
 
   ELSE()
+    include(CMake/mafMacroEmptyExternalProject.cmake)
     mafMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
   ENDIF()
 

CMakeExternals/External_qxmlrpc.cmake

@@ -33,6 +33,7 @@ SET(qxmlrpc_DEPENDS)
     # library output directory to CTK_EXTERNAL_LIBRARY_DIRS
 
   ELSE()
+    include(CMake/mafMacroEmptyExternalProject.cmake)
     mafMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
   ENDIF()