gdcmPython/CMakeLists.txt

   1 # gdcm Python wrapping stuff:
   2
   3 INCLUDE_DIRECTORIES(
   4   ${GDCM_SOURCE_DIR}/src
   5   ${PYTHON_INCLUDE_PATH}
   6   ${GDCM_BINARY_DIR}/
   7 )
   8 SUBDIRS(demo)
   9
  10 #-----------------------------------------------------------------------------
  11 # SWIG Wrapping
  12 #
  13
  14 # CMake 2.0 will fully support Swig wrapping so split based on cmake version:
  15
  16 IF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
  17
  18   FIND_PACKAGE(SWIG REQUIRED)
  19   INCLUDE(${SWIG_USE_FILE})
  20
  21   #INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
  22
  23   #SET(CMAKE_SWIG_FLAGS "")
  24
  25   SET_SOURCE_FILES_PROPERTIES(gdcm.i PROPERTIES CPLUSPLUS ON)
  26   SET_SOURCE_FILES_PROPERTIES(gdcm.i PROPERTIES SWIG_FLAGS "-includeall")
  27   SWIG_ADD_MODULE(gdcm python
  28     gdcm.i gdcm_wrap.cxx)
  29   SWIG_LINK_LIBRARIES(gdcm ${PYTHON_LIBRARIES})
  30   TARGET_LINK_LIBRARIES(_gdcm gdcm)
  31
  32 ELSE(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
  33
  34   # As of 09/10/2003 there was no FindSWIG.cmake
  35   # later we should use SWIG instead of swig
  36   FIND_PROGRAM(SWIG_EXECUTABLE
  37     NAMES swig-1.3 swig
  38   )
  39
  40   IF(NOT SWIG_EXECUTABLE)
  41     MESSAGE(FATAL_ERROR "Swig could not be found wrapping is impossible")
  42   ENDIF(NOT SWIG_EXECUTABLE)
  43
  44   # Bad hack to work around bug #846 in cmake, hopefully will desepear soon anyway
  45   FILE(READ ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py SWIG_GDCM_PY)
  46
  47   # Build our custom command :
  48   ADD_CUSTOM_COMMAND(
  49     OUTPUT    ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
  50     COMMAND   ${SWIG_EXECUTABLE}
  51     ARGS      -python -c++ -I${GDCM_SOURCE_DIR}/src -o
  52               ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
  53               ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
  54     DEPENDS   ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
  55     COMMENT   "Generating gdcm_wrap.cxx/gdcm.py based on gdcm.i"
  56   )
  57   # Since the file gdcm_wrap.cxx does not exist, mark it as GENERATED:
  58   SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx GENERATED)
  59
  60   ADD_LIBRARY(pygdcm gdcm_wrap.cxx)
  61   TARGET_LINK_LIBRARIES(pygdcm
  62     ${PYTHON_LIBRARY}
  63     gdcm
  64   )
  65   # http://www.cmake.org/pipermail/cmake/2003-August/004190.html
  66   #SET_TARGET_PROPERTIES(pygdcm PROPERTIES PREFIX "_")
  67
  68   # This swig command will also outputs gdcm.py :
  69   SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm.py GENERATED)
  70
  71   # Instead of a simple copy operation let create our own gdcm.py file:
  72   # First read what swig dumped:
  73   FILE(READ ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py SWIG_GDCM_PY)
  74
  75   # Then create the gdcm.py = gdcmVersion.py + gdcm.py (swig) file:
  76   FILE(WRITE ${GDCM_BINARY_DIR}/bin/gdcm.py
  77     "import os\n"
  78     "gdcmVERSION=\"${GDCM_VERSION_FULL}\"\n"
  79     "GDCM_DATA_PATH=\"${GDCM_DATA_ROOT}\"\n\n"
  80     ${SWIG_GDCM_PY}
  81     )
  82
  83   # Seems like they want instead a file called gdcmPython.py
  84   # Thus add the custom command to copy it to proper location:
  85   ADD_CUSTOM_COMMAND(
  86     TARGET pygdcm
  87     POST_BUILD
  88     COMMAND ${CMAKE_COMMAND}
  89     ARGS -E copy
  90       ${GDCM_BINARY_DIR}/bin/gdcm.py
  91       ${GDCM_BINARY_DIR}/bin/gdcmPython.py
  92   )
  93
  94   # Here comes the hack to rename the library to a more 'swig' compliant scheme"
  95   SET(LIB_NAME ${CMAKE_SHARED_LIBRARY_PREFIX}pygdcm${CMAKE_SHARED_LIBRARY_SUFFIX})
  96   SET(EXE_DIR ${GDCM_BINARY_DIR}/Executable)
  97   IF(EXECUTABLE_OUTPUT_PATH)
  98     SET(EXE_DIR ${EXECUTABLE_OUTPUT_PATH})
  99   ENDIF(EXECUTABLE_OUTPUT_PATH)
 100   SET(LIB_DIR ${GDCM_BINARY_DIR}/Library/Shared)
 101   IF(LIBRARY_OUTPUT_PATH)
 102     SET(LIB_DIR ${LIBRARY_OUTPUT_PATH})
 103   ENDIF(LIBRARY_OUTPUT_PATH)
 104
 105   IF(WIN32 OR APPLE)
 106     SET(SHARED_MUST_BE_IN_EXE_DIR 1)
 107   ENDIF(WIN32 OR APPLE)
 108
 109   IF(NOT SHARED_MUST_BE_IN_EXE_DIR)
 110     SET(EXE_DIR ${LIB_DIR})
 111   ENDIF(NOT SHARED_MUST_BE_IN_EXE_DIR)
 112
 113   ADD_CUSTOM_COMMAND(
 114     TARGET pygdcm
 115     POST_BUILD
 116     COMMAND ${CMAKE_COMMAND} ARGS -E copy
 117     ${LIB_DIR}/${CMAKE_CFG_INTDIR}/${LIB_NAME}
 118     ${EXE_DIR}/${CMAKE_CFG_INTDIR}/_gdcm${CMAKE_SHARED_LIBRARY_SUFFIX}
 119     )
 120
 121   # Remove temporary (lib)pygdcm(.so .dll) library:
 122   ADD_CUSTOM_COMMAND(
 123     TARGET pygdcm
 124     POST_BUILD
 125     COMMAND ${CMAKE_COMMAND}
 126     ARGS -E remove ${LIB_DIR}/${CMAKE_CFG_INTDIR}/${LIB_NAME}
 127   )
 128
 129   # where are library stored ?
 130 #  SET(GDCM_LIB_DIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
 131 #  ADD_CUSTOM_COMMAND(
 132 #    TARGET pygdcm
 133 #    POST_BUILD
 134 #    COMMAND ${CMAKE_COMMAND}
 135 #    ARGS -E copy
 136 #      ${EXECUTABLE_OUTPUT_PATH}/${CMAKE_CFG_INTDIR}/${MY_LIB_NAME}${CMAKE_SHLIB_SUFFIX}
 137 #      ${EXECUTABLE_OUTPUT_PATH}/${CMAKE_CFG_INTDIR}/vtkXY.pvm
 138 #    TARGET vtkXY
 139 #  )
 140
 141 ENDIF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
 142
 143
 144 #-----------------------------------------------------------------------------
 145 # VTK Wrapping
 146 #
 147 IF(GDCM_VTK)
 148   INCLUDE_DIRECTORIES(
 149     ${GDCM_SOURCE_DIR}/vtk
 150   )
 151
 152   SET(vtkgdcmPython_la_SOURCES
 153       ${GDCM_SOURCE_DIR}/vtk/vtkGdcmReader.cxx
 154   )
 155   SET_SOURCE_FILES_PROPERTIES(vtkGdcmReaderPython.cxx GENERATED)
 156
 157   # Configure Python module, which is the plugin itself
 158   IF (GDCM_WRAP_PYTHON)
 159     VTK_WRAP_PYTHON2(vtkgdcmPython gdcmfoo
 160                    ${vtkgdcmPython_la_SOURCES})
 161     # The C++ files must be made into a C++ library
 162     ADD_LIBRARY(vtkgdcmPython SHARED ${gdcmfoo})
 163     # set the libraries to link against
 164     TARGET_LINK_LIBRARIES (vtkgdcmPython
 165                            #_pygdcm
 166                            vtkgdcm
 167                            vtkCommonPython
 168                            vtkIOPython)
 169   ENDIF (GDCM_WRAP_PYTHON)
 170
 171   #generate a setup.py according to VTK installation
 172   #put it in subdir in order to not override old one
 173   # as it is a pain...override existing file...
 174
 175   GET_FILENAME_COMPONENT(VTKPATH ${VTK_DIR}/../../ ABSOLUTE)
 176   CONFIGURE_FILE(
 177       ${GDCM_SOURCE_DIR}/gdcmPython/setup.py.in
 178       ${GDCM_BINARY_DIR}/setup.py
 179   )
 180   #MESSAGE(STATUS ${VTKPATH})
 181 ENDIF(GDCM_VTK)
 182
 183 #-----------------------------------------------------------------------------
 184 # Install stuff:
 185
 186 #Should install in path of PYTHON_LIBRARY and not the default CMAKE_INSTALL_PREFIX
 187
 188 GET_FILENAME_COMPONENT(PYTHON_LIB_INSTALL ${PYTHON_LIBRARY} PATH)
 189 GET_FILENAME_COMPONENT(SITEPACKAGE
 190   ${PYTHON_LIB_INSTALL}/../site-packages ABSOLUTE)
 191 #MESSAGE(STATUS ${SITEPACKAGE})
 192 #INSTALL_FILES(/include "\\.h$")
 193 #INSTALL_TARGETS(/lib/ gdcm)
 194
 195 # gdcm.py is a file generated by swig
 196 # then from python you can do import gdcm, and it will load _gdcm.so
 197 #INSTALL_TARGETS(/lib/ gdcm.py)
 198 #INSTALL_PROGRAMS(/lib/ gdcm.py)
 199 #INSTALL_FILES(/lib/ .py gdcm.py)
 200
 201 # When installing swig-generated python module one should pay attention
 202 # to library naming convention, see here for more detail:
 203 # http://www.swig.org/Doc1.3/Python.html#n6
 204 # even with the $swig -module mylib, there is always a trailing underscore added