1 # gdcm Python wrapping stuff:
9 #-----------------------------------------------------------------------------
13 # CMake 2.0 will fully support Swig wrapping so split based on cmake version:
15 IF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
17 # We need to pass that to swig to be sure all modules are generated in the proper dir
18 SET(CMAKE_SWIG_FLAGS "-outdir ${GDCM_BINARY_DIR}/gdcmPython")
19 # Looks like a bug to me in cmake 2.0.x:
20 SEPARATE_ARGUMENTS(CMAKE_SWIG_FLAGS)
22 FIND_PACKAGE(SWIG REQUIRED)
23 INCLUDE(${SWIG_USE_FILE})
25 #SET_SOURCE_FILES_PROPERTIES(gdcm.i PROPERTIES PYTHON ON)
26 SET_SOURCE_FILES_PROPERTIES(gdcm.i PROPERTIES CPLUSPLUS ON)
27 # Setting SWIG_FLAGS to "-includeall" at the following line looks like
28 # a bad idea since swig tries to recursively include all the referenced
29 # files, "including" the C++ <sstream>, <list>, <map>... Of course swig
30 # has no way of finding the path to those files (unless it is told by
31 # cmake) since they are related to the compiler installation layout.
32 # Anyhow, since this inclusion recursion is not necessary, just don't
34 # Note: apparently the line is required in order to avoid a NOTFOUND
35 # as argument of swig on invocation of make.
36 SET_SOURCE_FILES_PROPERTIES(gdcm.i PROPERTIES SWIG_FLAGS "")
37 SWIG_ADD_MODULE(gdcm python gdcm.i) #gdcm_wrap.cxx
38 SWIG_LINK_LIBRARIES(gdcm gdcm ${PYTHON_LIBRARIES})
40 SET(GDCM_CXX_FLAGS ${CMAKE_SWIG_FLAGS})
41 # Get rid of -Wall / -W / -pedantic if exist
42 SET(CMAKE_CXX_FLAGS "")
43 # I guess I need to put them back on the this file:
44 SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
45 PROPERTIES COMPILE_FLAGS "")
46 # SET_TARGET_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
47 # PROPERTIES CMAKE_CXX_FLAGS "-foo")
49 ELSE(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
51 # As of 09/10/2003 there was no FindSWIG.cmake
52 # later we should use SWIG instead of swig
53 FIND_PROGRAM(SWIG_EXECUTABLE
57 IF(NOT SWIG_EXECUTABLE)
58 MESSAGE(FATAL_ERROR "Swig could not be found wrapping is impossible")
59 ENDIF(NOT SWIG_EXECUTABLE)
61 # Build our custom command :
63 OUTPUT ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
64 COMMAND ${SWIG_EXECUTABLE}
65 ARGS -python -c++ -I${GDCM_SOURCE_DIR}/src -o
66 ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
67 ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
68 DEPENDS ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
69 COMMENT "Generating gdcm_wrap.cxx/gdcm.py based on gdcm.i"
71 # Since the file gdcm_wrap.cxx does not exist, mark it as GENERATED:
72 SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx GENERATED)
74 ADD_LIBRARY(pygdcm gdcm_wrap.cxx)
75 TARGET_LINK_LIBRARIES(pygdcm
79 # http://www.cmake.org/pipermail/cmake/2003-August/004190.html
80 #SET_TARGET_PROPERTIES(pygdcm PROPERTIES PREFIX "_")
82 # This swig command will also outputs gdcm.py :
83 SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm.py GENERATED)
85 # Instead of a simple copy operation let create our own gdcm.py file:
86 # First read what swig dumped:
87 IF(EXISTS ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py)
88 FILE(READ ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py SWIG_GDCM_PY)
89 ENDIF(EXISTS ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py)
91 # Then create the gdcm.py = gdcmVersion.py + gdcm.py (swig) file:
92 FILE(WRITE ${GDCM_BINARY_DIR}/bin/gdcmVersion.py
94 "gdcmVERSION=\"${GDCM_VERSION}\"\n"
95 "GDCM_DATA_PATH=\"${GDCM_DATA_ROOT}\"\n\n"
99 # Seems like they want instead a file called gdcmPython.py
100 # Thus add the custom command to copy it to proper location:
101 # ADD_CUSTOM_COMMAND(
104 # COMMAND ${CMAKE_COMMAND}
106 # ${GDCM_BINARY_DIR}/bin/gdcm.py
107 # ${GDCM_BINARY_DIR}/bin/gdcmPython.py
110 # Here comes the hack to rename the library to a more 'swig' compliant scheme"
111 SET(LIB_NAME ${CMAKE_SHARED_LIBRARY_PREFIX}pygdcm${CMAKE_SHARED_LIBRARY_SUFFIX})
112 SET(EXE_DIR ${GDCM_BINARY_DIR}/Executable)
113 IF(EXECUTABLE_OUTPUT_PATH)
114 SET(EXE_DIR ${EXECUTABLE_OUTPUT_PATH})
115 ENDIF(EXECUTABLE_OUTPUT_PATH)
116 SET(LIB_DIR ${GDCM_BINARY_DIR}/Library/Shared)
117 IF(LIBRARY_OUTPUT_PATH)
118 SET(LIB_DIR ${LIBRARY_OUTPUT_PATH})
119 ENDIF(LIBRARY_OUTPUT_PATH)
122 SET(SHARED_MUST_BE_IN_EXE_DIR 1)
123 ENDIF(WIN32 OR APPLE)
125 IF(NOT SHARED_MUST_BE_IN_EXE_DIR)
126 SET(EXE_DIR ${LIB_DIR})
127 ENDIF(NOT SHARED_MUST_BE_IN_EXE_DIR)
132 COMMAND ${CMAKE_COMMAND} ARGS -E copy
133 ${LIB_DIR}/${CMAKE_CFG_INTDIR}/${LIB_NAME}
134 ${EXE_DIR}/${CMAKE_CFG_INTDIR}/_gdcm${CMAKE_SHARED_LIBRARY_SUFFIX}
137 ENDIF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
140 #-----------------------------------------------------------------------------
144 # Include the VTK library
145 INCLUDE(${VTK_USE_FILE})
148 ${GDCM_SOURCE_DIR}/vtk
151 SET(vtkgdcmPython_la_SOURCES
152 ${GDCM_SOURCE_DIR}/vtk/vtkGdcmReader.cxx
153 ${GDCM_SOURCE_DIR}/vtk/vtkGdcmWriter.cxx
155 SET_SOURCE_FILES_PROPERTIES(vtkGdcmReaderPython.cxx GENERATED)
157 # Configure Python module, which is the plugin itself
158 IF (GDCM_WRAP_PYTHON)
159 IF(NOT VTK_WRAP_PYTHON)
160 MESSAGE(FATAL_ERROR "Can't build gdcm python wrapping if VTK_WRAP_PYTHON is OFF" )
161 ENDIF(NOT VTK_WRAP_PYTHON)
162 VTK_WRAP_PYTHON2(vtkgdcmPython gdcmWrapSOURCES
163 ${vtkgdcmPython_la_SOURCES})
164 # The C++ files must be made into a C++ library
165 ADD_LIBRARY(vtkgdcmPython SHARED ${gdcmWrapSOURCES}) #MODULE on apple ?
166 # set the libraries to link against
167 #SET_TARGET_PROPERTIES(${foobar} PROPERTIES PREFIX "")
169 #GET_TARGET_PROPERTY(swig_gdcm_fullpath "${SWIG_MODULE_gdcm_REAL_NAME}" LOCATION)
170 TARGET_LINK_LIBRARIES (vtkgdcmPython
174 ENDIF (GDCM_WRAP_PYTHON)
177 # generate a setup.py according to VTK installation
178 # put it in subdir in order to not override old one
180 GET_FILENAME_COMPONENT(VTKPATH ${VTK_DIR}/../../ ABSOLUTE)
182 ${GDCM_SOURCE_DIR}/gdcmPython/setup.py.in
183 ${GDCM_BINARY_DIR}/setup.py
186 #-----------------------------------------------------------------------------
189 # Cmake cannot handle installing since python wants stuff to be installed
190 # in /usr/lib/pythonx.x/site-package and not a a std /usr/lib
191 # Thus generate a setup.py file using distutils
193 # Create a gdcm.pth file:
195 FILE(WRITE ${GDCM_BINARY_DIR}/gdcmPython/gdcmVersion.py
196 "gdcmVERSION=\"${GDCM_VERSION}\"\n"
199 FILE(WRITE ${GDCM_BINARY_DIR}/gdcmPython/gdcm.pth
203 FILE(WRITE ${GDCM_BINARY_DIR}/gdcmPython/__init__.py
204 "__all__ = [\"core\",\n"
209 FILE(WRITE ${GDCM_BINARY_DIR}/gdcmPython/core.py
211 "GDCM_DATA_PATH =\"${GDCM_DATA_ROOT}\"\n"
212 "GDCM_TEST_DATA_PATH=\"${GDCM_DATA_ROOT}\"\n"
216 FILE(WRITE ${GDCM_BINARY_DIR}/gdcmPython/vtk.py
218 "if os.name == 'posix':\n"
219 " from libvtkgdcmPython import *\n"
221 " from vtkgdcmPython import *\n"
222 "GDCM_DATA_PATH =\"${GDCM_DATA_ROOT}\"\n"
223 "GDCM_TEST_DATA_PATH=\"${GDCM_DATA_ROOT}\"\n"
227 #-----------------------------------------------------------------------------
228 # Add test from demo subdir: