Fixed deprecated cmake python variable.

[libftdi] / bindings / CMakeLists.txt

diff --git a/bindings/CMakeLists.txt b/bindings/CMakeLists.txt
index 7900074..0c335c8 100644 (file)
--- a/bindings/CMakeLists.txt
+++ b/bindings/CMakeLists.txt
@@ -1,21 +1,62 @@
-include(FindSWIG)
-include(FindPythonLibs)
-include(UseSWIG)
+option ( PYTHON_BINDINGS "Build python bindings via swig" ON )
 
-if(SWIG_FOUND)
-if(PYTHONLIBS_FOUND)
-    INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../src)
-    INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_PATH})
+if ( PYTHON_BINDINGS )
+  find_package ( SWIG )
+  find_package ( PythonLibs )
+  find_package ( PythonInterp )
+endif ()
 
-    SWIG_ADD_MODULE(ftdi python ftdi.i)
-    SWIG_LINK_LIBRARIES(ftdi ${PYTHON_LIBRARIES})
+if ( SWIG_FOUND AND PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND )
+  include ( UseSWIG )
+  include_directories ( BEFORE ${CMAKE_SOURCE_DIR}/src )
+  include_directories ( ${PYTHON_INCLUDE_DIRS} )
+  link_directories ( ${CMAKE_CURRENT_BINARY_DIR}/../src )
 
-    GET_FILENAME_COMPONENT(PYTHON_LIB_INSTALL ${PYTHON_LIBRARY} PATH)
-    GET_FILENAME_COMPONENT(SITEPACKAGE ${PYTHON_LIB_INSTALL}/../site-packages ABSOLUTE)
+  swig_add_module ( ftdi1 python ftdi1.i )
+  swig_link_libraries ( ftdi1 ftdi1 )
 
-    INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/_ftdi.so DESTINATION ${SITEPACKAGE})
-    INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/ftdi.py DESTINATION ${SITEPACKAGE})
+  # do not link python modules on debian
+  # http://www.debian.org/doc/packaging-manuals/python-policy/ch-module_packages.html
+  if ( NOT UNIX OR ( UNIX AND NOT EXISTS "/etc/debian_version" ) )
+    swig_link_libraries ( ftdi1 ${PYTHON_LIBRARIES} )
+  endif ()
 
-    message(STATUS "Building python bindings via swig. Will be installed under ${SITEPACKAGE}")
-endif(PYTHONLIBS_FOUND)
-endif(SWIG_FOUND)
+  execute_process ( COMMAND ${PYTHON_EXECUTABLE} -c "import sys; print( '%d.%d' % ( sys.version_info[0], sys.version_info[1] ) )"
+                    OUTPUT_VARIABLE PYTHON_VERSION
+                    OUTPUT_STRIP_TRAILING_WHITESPACE )
+
+  set ( SITEPACKAGE lib${LIB_SUFFIX}/python${PYTHON_VERSION}/site-packages )
+
+  INSTALL ( FILES ${CMAKE_CURRENT_BINARY_DIR}/_ftdi1.so DESTINATION ${SITEPACKAGE} )
+  INSTALL ( FILES ${CMAKE_CURRENT_BINARY_DIR}/ftdi1.py DESTINATION ${SITEPACKAGE} )
+
+  if ( DOCUMENTATION AND DOXYGEN_FOUND )
+
+      set(CMAKE_SWIG_FLAGS -DDOXYGEN=${DOXYGEN_FOUND})
+
+      # Run doxygen to only generate the xml
+      add_custom_command ( OUTPUT ${CMAKE_BINARY_DIR}/doc/xml/ftdi_8c.xml
+          COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/doc
+          COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_BINARY_DIR}/Doxyfile.xml
+          WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+          DEPENDS ${c_headers};${c_sources};${cpp_sources};${cpp_headers}
+      )
+
+      # generate .i from doxygen .xml
+      add_custom_command ( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/ftdi1_doc.i
+          COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/doxy2swig.py -n
+              ${CMAKE_BINARY_DIR}/doc/xml/ftdi_8c.xml
+              ${CMAKE_CURRENT_BINARY_DIR}/ftdi1_doc.i
+          DEPENDS ${CMAKE_BINARY_DIR}/doc/xml/ftdi_8c.xml
+      )
+      add_custom_target ( doc_i DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/ftdi1_doc.i )
+      add_dependencies( ${SWIG_MODULE_ftdi1_REAL_NAME} doc_i )
+
+  endif ()
+  
+  set ( LIBFTDI_PYTHON_MODULE_PATH ${CMAKE_INSTALL_PREFIX}/${SITEPACKAGE} )
+  set ( LIBFTDI_PYTHON_MODULE_PATH ${LIBFTDI_PYTHON_MODULE_PATH} PARENT_SCOPE ) # for ftdiconfig.cmake
+  message(STATUS "Building python bindings via swig. Will be installed under ${LIBFTDI_PYTHON_MODULE_PATH}")
+else ()
+  message(STATUS "Not building python bindings")
+endif ()