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   #SET(CMAKE_SWIG_FLAGS "")
  22
  23   #SET_SOURCE_FILES_PROPERTIES(gdcm.i PROPERTIES PYTHON ON)
  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 gdcm ${PYTHON_LIBRARIES})
  28
  29   #SWIG_GET_EXTRA_OUTPUT_FILES(python foobar "/usr/" "gdcm" )
  30   #MESSAGE(FATAL_ERROR ${swig_generated_file_fullname})
  31   #MESSAGE(FATAL_ERROR ${swig_source_file_fullname})
  32
  33 ELSE(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.9)
  34
  35   # As of 09/10/2003 there was no FindSWIG.cmake
  36   # later we should use SWIG instead of swig
  37   FIND_PROGRAM(SWIG_EXECUTABLE
  38     NAMES swig-1.3 swig
  39   )
  40
  41   IF(NOT SWIG_EXECUTABLE)
  42     MESSAGE(FATAL_ERROR "Swig could not be found wrapping is impossible")
  43   ENDIF(NOT SWIG_EXECUTABLE)
  44
  45   # Build our custom command :
  46   ADD_CUSTOM_COMMAND(
  47     OUTPUT    ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
  48     COMMAND   ${SWIG_EXECUTABLE}
  49     ARGS      -python -c++ -I${GDCM_SOURCE_DIR}/src -o
  50               ${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx
  51               ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
  52     DEPENDS   ${GDCM_SOURCE_DIR}/gdcmPython/gdcm.i
  53     COMMENT   "Generating gdcm_wrap.cxx/gdcm.py based on gdcm.i"
  54   )
  55   # Since the file gdcm_wrap.cxx does not exist, mark it as GENERATED:
  56   SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm_wrap.cxx GENERATED)
  57
  58   ADD_LIBRARY(pygdcm gdcm_wrap.cxx)
  59   TARGET_LINK_LIBRARIES(pygdcm
  60     ${PYTHON_LIBRARY}
  61     gdcm
  62   )
  63   # http://www.cmake.org/pipermail/cmake/2003-August/004190.html
  64   #SET_TARGET_PROPERTIES(pygdcm PROPERTIES PREFIX "_")
  65
  66   # This swig command will also outputs gdcm.py :
  67   SET_SOURCE_FILES_PROPERTIES(${GDCM_BINARY_DIR}/gdcmPython/gdcm.py GENERATED)
  68
  69   # Instead of a simple copy operation let create our own gdcm.py file:
  70   # First read what swig dumped:
  71   IF(EXISTS ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py)
  72     FILE(READ ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py SWIG_GDCM_PY)
  73   ENDIF(EXISTS ${GDCM_BINARY_DIR}/gdcmPython/gdcm.py)
  74
  75   # Then create the gdcm.py = gdcmVersion.py + gdcm.py (swig) file:
  76   FILE(WRITE ${GDCM_BINARY_DIR}/bin/gdcmVersion.py
  77     "import os\n"
  78     "gdcmVERSION=\"${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     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 "")
 168
 169     #GET_TARGET_PROPERTY(swig_gdcm_fullpath "${SWIG_MODULE_gdcm_REAL_NAME}" LOCATION)
 170     TARGET_LINK_LIBRARIES (vtkgdcmPython
 171                            vtkgdcm
 172                            vtkCommonPython
 173                            vtkIOPython)
 174   ENDIF (GDCM_WRAP_PYTHON)
 175
 176   # generate a setup.py according to VTK installation
 177   # put it in subdir in order to not override old one
 178
 179   GET_FILENAME_COMPONENT(VTKPATH ${VTK_DIR}/../../ ABSOLUTE)
 180   CONFIGURE_FILE(
 181       ${GDCM_SOURCE_DIR}/gdcmPython/setup.py.in
 182       ${GDCM_BINARY_DIR}/setup.py
 183   )
 184 ENDIF(GDCM_VTK)
 185
 186 #-----------------------------------------------------------------------------
 187 # Install stuff:
 188
 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
 192
 193 # Create a gdcm.pth file:
 194
 195 FILE(WRITE ${GDCM_BINARY_DIR}/gdcmPython/gdcm.pth
 196     "gdcmPython\n"
 197     )
 198
 199 FILE(WRITE ${GDCM_BINARY_DIR}/gdcmPython/__init__.py
 200     "import gdcm\n"
 201     )
 202
 203 IF(GDCM_VTK)
 204   FILE(APPEND ${GDCM_BINARY_DIR}/gdcmPython/__init__.py
 205     "import os\n"
 206     "if os.name == 'posix':\n"
 207     "  from libvtkgdcmPython import *\n"
 208     "else:\n"
 209     "  from vtkgdcmPython import *\n"
 210     )
 211 ENDIF(GDCM_VTK)
 212
 213 #-----------------------------------------------------------------------------
 214 # Add test from demo subdir:
 215
 216 SUBDIRS(demo)