gdcmPython/CMakeLists.txt

   1 # gdcm Python wrapping stuff:
   2
   3 INCLUDE_DIRECTORIES(
   4   ${GDCM_SOURCE_DIR}/src
   5   ${PYTHON_INCLUDE_PATH}
   6   ${GDCM_BINARY_DIR}/
   7 )
   8
   9 #-----------------------------------------------------------------------------
  10 # SWIG Wrapping
  11 #
  12
  13 # CMake 2.0 will fully support Swig wrapping so split based on cmake version:
  14
  15 IF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
  16
  17   FIND_PACKAGE(SWIG REQUIRED)
  18   INCLUDE(${SWIG_USE_FILE})
  19
  20   #INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
  21
  22   #SET(CMAKE_SWIG_FLAGS "")
  23
  24   SET_SOURCE_FILES_PROPERTIES(gdcm.i PROPERTIES CPLUSPLUS ON)
  25   SET_SOURCE_FILES_PROPERTIES(gdcm.i PROPERTIES SWIG_FLAGS "-includeall")
  26   SWIG_ADD_MODULE(gdcm python gdcm.i gdcm_wrap.cxx)
  27   SWIG_LINK_LIBRARIES(gdcm ${PYTHON_LIBRARIES})
  28   TARGET_LINK_LIBRARIES(_gdcm gdcm)
  29
  30 ELSE(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
  31
  32   # As of 09/10/2003 there was no FindSWIG.cmake
  33   # later we should use SWIG instead of swig
  34   FIND_PROGRAM(SWIG_EXECUTABLE
  35     NAMES swig-1.3 swig
  36   )
  37
  38   IF(NOT SWIG_EXECUTABLE)
  39     MESSAGE(FATAL_ERROR "Swig could not be found wrapping is impossible")
  40   ENDIF(NOT SWIG_EXECUTABLE)
  41
  42   # Build our custom command :
  43   ADD_CUSTOM_COMMAND(
  44     OUTPUT    ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
  45     COMMAND   ${SWIG_EXECUTABLE}
  46     ARGS      -python -c++ -I${GDCM_SOURCE_DIR}/src -o
  47               ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
  48               ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
  49     DEPENDS   ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
  50     COMMENT   "Generating gdcm_wrap.cxx/gdcm.py based on gdcm.i"
  51   )
  52   # Since the file gdcm_wrap.cxx does not exist, mark it as GENERATED:
  53   SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx GENERATED)
  54
  55   ADD_LIBRARY(pygdcm gdcm_wrap.cxx)
  56   TARGET_LINK_LIBRARIES(pygdcm
  57     ${PYTHON_LIBRARY}
  58     gdcm
  59   )
  60   # http://www.cmake.org/pipermail/cmake/2003-August/004190.html
  61   #SET_TARGET_PROPERTIES(pygdcm PROPERTIES PREFIX "_")
  62
  63   # This swig command will also outputs gdcm.py :
  64   SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm.py GENERATED)
  65
  66   # Instead of a simple copy operation let create our own gdcm.py file:
  67   # First read what swig dumped:
  68   IF(EXISTS ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py)
  69     FILE(READ ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py SWIG_GDCM_PY)
  70   ENDIF(EXISTS ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py)
  71
  72   # Then create the gdcm.py = gdcmVersion.py + gdcm.py (swig) file:
  73   FILE(WRITE ${GDCM_BINARY_DIR}/bin/gdcmVersion.py
  74     "import os\n"
  75     "gdcmVERSION=\"${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     IF(NOT VTK_WRAP_PYTHON)
 157       MESSAGE(FATAL_ERROR "Can't build gdcm python wrapping if VTK_WRAP_PYTHON is OFF" )
 158     ENDIF(NOT VTK_WRAP_PYTHON)
 159     VTK_WRAP_PYTHON2(vtkgdcmPython gdcmWrapSOURCES
 160                    ${vtkgdcmPython_la_SOURCES})
 161     # The C++ files must be made into a C++ library
 162     ADD_LIBRARY(vtkgdcmPython SHARED ${gdcmWrapSOURCES})  #MODULE on apple ?
 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
 174   GET_FILENAME_COMPONENT(VTKPATH ${VTK_DIR}/../../ ABSOLUTE)
 175   CONFIGURE_FILE(
 176       ${GDCM_SOURCE_DIR}/gdcmPython/setup.py.in
 177       ${GDCM_BINARY_DIR}/gdcmPython/setup.py
 178   )
 179 ENDIF(GDCM_VTK)
 180
 181 #-----------------------------------------------------------------------------
 182 # Install stuff:
 183
 184 # Cmake cannot handle installing since python wants stuff to be installed
 185 # in /usr/lib/pythonx.x/site-package and not a a std /usr/lib
 186 # Thus generate a setup.py file using distutils
 187
 188
 189 #-----------------------------------------------------------------------------
 190 # Add test from demo subdir:
 191
 192 SUBDIRS(demo)