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   # Build our custom command :
  45   ADD_CUSTOM_COMMAND(
  46     OUTPUT    ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
  47     COMMAND   ${SWIG_EXECUTABLE}
  48     ARGS      -python -c++ -I${GDCM_SOURCE_DIR}/src -o
  49               ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
  50               ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
  51     DEPENDS   ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
  52     COMMENT   "Generating gdcm_wrap.cxx/gdcm.py based on gdcm.i"
  53   )
  54   # Since the file gdcm_wrap.cxx does not exist, mark it as GENERATED:
  55   SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx GENERATED)
  56
  57   ADD_LIBRARY(pygdcm gdcm_wrap.cxx)
  58   TARGET_LINK_LIBRARIES(pygdcm
  59     ${PYTHON_LIBRARY}
  60     gdcm
  61   )
  62   # http://www.cmake.org/pipermail/cmake/2003-August/004190.html
  63   #SET_TARGET_PROPERTIES(pygdcm PROPERTIES PREFIX "_")
  64
  65   # This swig command will also outputs gdcm.py :
  66   SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm.py GENERATED)
  67
  68   # Instead of a simple copy operation let create our own gdcm.py file:
  69   # First read what swig dumped:
  70   FILE(READ ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py SWIG_GDCM_PY)
  71
  72   # Then create the gdcm.py = gdcmVersion.py + gdcm.py (swig) file:
  73   FILE(WRITE ${GDCM_BINARY_DIR}/bin/gdcm.py
  74     "import os\n"
  75     "gdcmVERSION=\"${GDCM_VERSION_FULL}\"\n"
  76     "GDCM_DATA_PATH=\"${GDCM_DATA_ROOT}\"\n\n"
  77     ${SWIG_GDCM_PY}
  78     )
  79
  80   # Seems like they want instead a file called gdcmPython.py
  81   # Thus add the custom command to copy it to proper location:
  82   ADD_CUSTOM_COMMAND(
  83     TARGET pygdcm
  84     POST_BUILD
  85     COMMAND ${CMAKE_COMMAND}
  86     ARGS -E copy
  87       ${GDCM_BINARY_DIR}/bin/gdcm.py
  88       ${GDCM_BINARY_DIR}/bin/gdcmPython.py
  89   )
  90
  91   # Here comes the hack to rename the library to a more 'swig' compliant scheme"
  92   SET(LIB_NAME ${CMAKE_SHARED_LIBRARY_PREFIX}pygdcm${CMAKE_SHARED_LIBRARY_SUFFIX})
  93   SET(EXE_DIR ${GDCM_BINARY_DIR}/Executable)
  94   IF(EXECUTABLE_OUTPUT_PATH)
  95     SET(EXE_DIR ${EXECUTABLE_OUTPUT_PATH})
  96   ENDIF(EXECUTABLE_OUTPUT_PATH)
  97   SET(LIB_DIR ${GDCM_BINARY_DIR}/Library/Shared)
  98   IF(LIBRARY_OUTPUT_PATH)
  99     SET(LIB_DIR ${LIBRARY_OUTPUT_PATH})
 100   ENDIF(LIBRARY_OUTPUT_PATH)
 101
 102   IF(WIN32 OR APPLE)
 103     SET(SHARED_MUST_BE_IN_EXE_DIR 1)
 104   ENDIF(WIN32 OR APPLE)
 105
 106   IF(NOT SHARED_MUST_BE_IN_EXE_DIR)
 107     SET(EXE_DIR ${LIB_DIR})
 108   ENDIF(NOT SHARED_MUST_BE_IN_EXE_DIR)
 109
 110   ADD_CUSTOM_COMMAND(
 111     TARGET pygdcm
 112     POST_BUILD
 113     COMMAND ${CMAKE_COMMAND} ARGS -E copy
 114     ${LIB_DIR}/${CMAKE_CFG_INTDIR}/${LIB_NAME}
 115     ${EXE_DIR}/${CMAKE_CFG_INTDIR}/_gdcm${CMAKE_SHARED_LIBRARY_SUFFIX}
 116     )
 117
 118   # Remove temporary (lib)pygdcm(.so .dll) library:
 119   ADD_CUSTOM_COMMAND(
 120     TARGET pygdcm
 121     POST_BUILD
 122     COMMAND ${CMAKE_COMMAND}
 123     ARGS -E remove ${LIB_DIR}/${CMAKE_CFG_INTDIR}/${LIB_NAME}
 124   )
 125
 126   # where are library stored ?
 127 #  SET(GDCM_LIB_DIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
 128 #  ADD_CUSTOM_COMMAND(
 129 #    TARGET pygdcm
 130 #    POST_BUILD
 131 #    COMMAND ${CMAKE_COMMAND}
 132 #    ARGS -E copy
 133 #      ${EXECUTABLE_OUTPUT_PATH}/${CMAKE_CFG_INTDIR}/${MY_LIB_NAME}${CMAKE_SHLIB_SUFFIX}
 134 #      ${EXECUTABLE_OUTPUT_PATH}/${CMAKE_CFG_INTDIR}/vtkXY.pvm
 135 #    TARGET vtkXY
 136 #  )
 137
 138 ENDIF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
 139
 140
 141 #-----------------------------------------------------------------------------
 142 # VTK Wrapping
 143 #
 144 IF(GDCM_VTK)
 145   INCLUDE_DIRECTORIES(
 146     ${GDCM_SOURCE_DIR}/vtk
 147   )
 148
 149   SET(vtkgdcmPython_la_SOURCES
 150       ${GDCM_SOURCE_DIR}/vtk/vtkGdcmReader.cxx
 151   )
 152   SET_SOURCE_FILES_PROPERTIES(vtkGdcmReaderPython.cxx GENERATED)
 153
 154   # Configure Python module, which is the plugin itself
 155   IF (GDCM_WRAP_PYTHON)
 156     VTK_WRAP_PYTHON2(vtkgdcmPython gdcmfoo
 157                    ${vtkgdcmPython_la_SOURCES})
 158     # The C++ files must be made into a C++ library
 159     ADD_LIBRARY(vtkgdcmPython SHARED ${gdcmfoo})
 160     # set the libraries to link against
 161     TARGET_LINK_LIBRARIES (vtkgdcmPython
 162                            #_pygdcm
 163                            vtkgdcm
 164                            vtkCommonPython
 165                            vtkIOPython)
 166   ENDIF (GDCM_WRAP_PYTHON)
 167
 168   #generate a setup.py according to VTK installation
 169   #put it in subdir in order to not override old one
 170   # as it is a pain...override existing file...
 171
 172   GET_FILENAME_COMPONENT(VTKPATH ${VTK_DIR}/../../ ABSOLUTE)
 173   CONFIGURE_FILE(
 174       ${GDCM_SOURCE_DIR}/gdcmPython/setup.py.in
 175       ${GDCM_BINARY_DIR}/setup.py
 176   )
 177   #MESSAGE(STATUS ${VTKPATH})
 178 ENDIF(GDCM_VTK)
 179
 180 #-----------------------------------------------------------------------------
 181 # Install stuff:
 182
 183 #Should install in path of PYTHON_LIBRARY and not the default CMAKE_INSTALL_PREFIX
 184
 185 GET_FILENAME_COMPONENT(PYTHON_LIB_INSTALL ${PYTHON_LIBRARY} PATH)
 186 GET_FILENAME_COMPONENT(SITEPACKAGE
 187   ${PYTHON_LIB_INSTALL}/../site-packages ABSOLUTE)
 188 #MESSAGE(STATUS ${SITEPACKAGE})
 189 #INSTALL_FILES(/include "\\.h$")
 190 #INSTALL_TARGETS(/lib/ gdcm)
 191
 192 # gdcm.py is a file generated by swig
 193 # then from python you can do import gdcm, and it will load _gdcm.so
 194 #INSTALL_TARGETS(/lib/ gdcm.py)
 195 #INSTALL_PROGRAMS(/lib/ gdcm.py)
 196 #INSTALL_FILES(/lib/ .py gdcm.py)
 197
 198 # When installing swig-generated python module one should pay attention
 199 # to library naming convention, see here for more detail:
 200 # http://www.swig.org/Doc1.3/Python.html#n6
 201 # even with the $swig -module mylib, there is always a trailing underscore added