From 14e73bd95a6ab22cb59a2fb37707d4775c47958e Mon Sep 17 00:00:00 2001
From: Sebastien Jourdain <sebastien.jourdain@kitware.com>
Date: Thu, 5 Sep 2013 13:35:07 -0400
Subject: [PATCH] Add CMake cache option for VTK_BUILD_PYTHON_MODULE_DIR

This property allow ParaView to override the default VTK
value ($BUILD/Wrapping/Python/) to be where ParaView
expect its Python modules to be build.

Change-Id: I5c2cc016356d7a4320f9f5c999225835abcd6bb1
---
 CMake/vtkWrapPythonSIP.cmake             | 2 +-
 CMakeLists.txt                           | 6 +++++-
 ThirdParty/AutobahnPython/CMakeLists.txt | 5 +----
 ThirdParty/Twisted/CMakeLists.txt        | 5 +----
 ThirdParty/ZopeInterface/CMakeLists.txt  | 5 +----
 Utilities/Python/CMakeLists.txt          | 9 +++++++--
 Web/Python/CMakeLists.txt                | 5 +----
 7 files changed, 17 insertions(+), 20 deletions(-)

diff --git a/CMake/vtkWrapPythonSIP.cmake b/CMake/vtkWrapPythonSIP.cmake
index de53be3a86..42b3cc1c60 100644
--- a/CMake/vtkWrapPythonSIP.cmake
+++ b/CMake/vtkWrapPythonSIP.cmake
@@ -94,7 +94,7 @@ function(VTK_CREATE_SIP_MODULE KIT WRAP_SRCS)
     TARGET_LINK_LIBRARIES(vtk${KIT}PythonSIP vtk${KIT}PythonD)
     get_target_property(lib_loc vtk${KIT}PythonSIP LOCATION)
     ADD_CUSTOM_COMMAND(TARGET vtk${KIT}PythonSIP POST_BUILD
-      COMMAND ${CMAKE_COMMAND} -E copy "${lib_loc}" "${VTK_BINARY_DIR}/Wrapping/Python/vtk/"
+      COMMAND ${CMAKE_COMMAND} -E copy "${lib_loc}" "${VTK_BUILD_PYTHON_MODULE_DIR}/vtk/"
       )
 
     IF(NOT VTK_INSTALL_NO_LIBRARIES)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d8a4c0f68..f1ea69b97f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -119,7 +119,11 @@ if(NOT VTK_INSTALL_PYTHON_MODULE_DIR)
        PATH "Directory where python modules will be installed")
   mark_as_advanced(VTK_INSTALL_PYTHON_MODULE_DIR)
 endif()
-
+if(NOT VTK_BUILD_PYTHON_MODULE_DIR)
+  set (VTK_BUILD_PYTHON_MODULE_DIR "-NOTFOUND" CACHE
+       PATH "Directory where python modules will be put inside the build tree")
+  mark_as_advanced(VTK_BUILD_PYTHON_MODULE_DIR)
+endif()
 if (CMAKE_CROSSCOMPILING AND NOT COMPILE_TOOLS_IMPORTED)
   # if CMAKE_CROSSCOMPILING is true, we need to import build-tools targets.
   find_package(VTKCompileTools REQUIRED)
diff --git a/ThirdParty/AutobahnPython/CMakeLists.txt b/ThirdParty/AutobahnPython/CMakeLists.txt
index b5d391f2ee..22fc36cfad 100644
--- a/ThirdParty/AutobahnPython/CMakeLists.txt
+++ b/ThirdParty/AutobahnPython/CMakeLists.txt
@@ -9,11 +9,8 @@ if(NOT VTK_USE_SYSTEM_AUTOBAHN)
 
   include(vtkPythonPackages)
 
-  # Extract path where python module should be copied
-  get_property(pymodule_build_dir GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR)
-
   set(AutobahnPython_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/autobahn")
-  set(AutobahnPython_BINARY_DIR "${pymodule_build_dir}/autobahn")
+  set(AutobahnPython_BINARY_DIR "${VTK_BUILD_PYTHON_MODULE_DIR}/autobahn")
 
   build_python_package("AutobahnPython" ${AutobahnPython_SOURCE_DIR}
     ${AutobahnPython_BINARY_DIR})
diff --git a/ThirdParty/Twisted/CMakeLists.txt b/ThirdParty/Twisted/CMakeLists.txt
index ff9141da80..1e3e09b200 100644
--- a/ThirdParty/Twisted/CMakeLists.txt
+++ b/ThirdParty/Twisted/CMakeLists.txt
@@ -9,11 +9,8 @@ if(NOT VTK_USE_SYSTEM_TWISTED)
 
   include(vtkPythonPackages)
 
-  # Extract path where python module should be copied
-  get_property(pymodule_build_dir GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR)
-
   set(Twisted_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/twisted")
-  set(Twisted_BINARY_DIR "${pymodule_build_dir}/twisted")
+  set(Twisted_BINARY_DIR "${VTK_BUILD_PYTHON_MODULE_DIR}/twisted")
 
   build_python_package("Twisted" ${Twisted_SOURCE_DIR} ${Twisted_BINARY_DIR})
 
diff --git a/ThirdParty/ZopeInterface/CMakeLists.txt b/ThirdParty/ZopeInterface/CMakeLists.txt
index c8dc96048f..3e89851198 100644
--- a/ThirdParty/ZopeInterface/CMakeLists.txt
+++ b/ThirdParty/ZopeInterface/CMakeLists.txt
@@ -9,11 +9,8 @@ if(NOT VTK_USE_SYSTEM_ZOPE)
 
   include(vtkPythonPackages)
 
-  # Extract path where python module should be copied
-  get_property(pymodule_build_dir GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR)
-
   set(zope_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/zope")
-  set(zope_BINARY_DIR "${pymodule_build_dir}/zope")
+  set(zope_BINARY_DIR "${VTK_BUILD_PYTHON_MODULE_DIR}/zope")
 
   build_python_package("zope" ${zope_SOURCE_DIR} ${zope_BINARY_DIR})
 
diff --git a/Utilities/Python/CMakeLists.txt b/Utilities/Python/CMakeLists.txt
index 78702d9d1c..86fe0511d3 100644
--- a/Utilities/Python/CMakeLists.txt
+++ b/Utilities/Python/CMakeLists.txt
@@ -32,5 +32,10 @@ if (NOT VTK_INSTALL_PYTHON_MODULE_DIR)
       CACHE
       PATH "Directory where python modules will be installed" FORCE)
 endif()
-set_property(GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR
-  "${VTK_BINARY_DIR}/Wrapping/Python/")
+
+if (NOT VTK_BUILD_PYTHON_MODULE_DIR)
+  set(VTK_BUILD_PYTHON_MODULE_DIR
+      "${VTK_BINARY_DIR}/Wrapping/Python"
+      CACHE
+      PATH "Directory where python modules will be built" FORCE)
+endif()
diff --git a/Web/Python/CMakeLists.txt b/Web/Python/CMakeLists.txt
index c5f20ad9d1..023d0fd2c5 100644
--- a/Web/Python/CMakeLists.txt
+++ b/Web/Python/CMakeLists.txt
@@ -5,11 +5,8 @@ find_package(PythonInterp)
 
 include(vtkPythonPackages)
 
-# Extract path where python module should be copied
-get_property(pymodule_build_dir GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR)
-
 set(vtkWebPython_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
-set(vtkWebPython_BINARY_DIR "${pymodule_build_dir}/vtk/web")
+set(vtkWebPython_BINARY_DIR "${VTK_BUILD_PYTHON_MODULE_DIR}/vtk/web")
 
 build_python_package("vtkWebPython" ${vtkWebPython_SOURCE_DIR}
   ${vtkWebPython_BINARY_DIR})
-- 
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