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# Macros for SIP
# ~~~~~~~~~~~~~~
# Copyright (c) 2007, Simon Edwards <simon@simonzone.com>
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
# SIP website: https://riverbankcomputing.com/software/sip
#
# This file defines the following macros:
#
# ADD_SIP_PYTHON_MODULE (MODULE_NAME MODULE_SIP [library1, libaray2, ...])
# Specifies a SIP file to be built into a Python module and installed.
# MODULE_NAME is the name of Python module including any path name. (e.g.
# os.sys, Foo.bar etc). MODULE_SIP the path and filename of the .sip file
# to process and compile. libraryN are libraries that the Python module,
# which is typically a shared library, should be linked to. The built
# module will also be install into Python's site-packages directory.
#
# The behaviour of the ADD_SIP_PYTHON_MODULE macro can be controlled by a
# number of variables:
#
# SIP_INCLUDES - List of directories which SIP will scan through when looking
# for included .sip files. (Corresponds to the -I option for SIP.)
#
# SIP_TAGS - List of tags to define when running SIP. (Corresponds to the -t
# option for SIP.)
#
# SIP_CONCAT_PARTS - An integer which defines the number of parts the C++ code
# of each module should be split into. Defaults to 8. (Corresponds to the
# -j option for SIP.)
#
# SIP_DISABLE_FEATURES - List of feature names which should be disabled
# running SIP. (Corresponds to the -x option for SIP.)
#
# SIP_EXTRA_OPTIONS - Extra command line options which should be passed on to
# SIP.
SET(SIP_INCLUDES)
SET(SIP_TAGS)
SET(SIP_CONCAT_PARTS 8)
SET(SIP_DISABLE_FEATURES)
SET(SIP_EXTRA_OPTIONS)
MACRO(ADD_SIP_PYTHON_MODULE MODULE_NAME MODULE_SIP)
SET(EXTRA_LINK_LIBRARIES ${ARGN})
STRING(REPLACE "." "/" _x ${MODULE_NAME})
GET_FILENAME_COMPONENT(_parent_module_path ${_x} PATH)
GET_FILENAME_COMPONENT(_child_module_name ${_x} NAME)
GET_FILENAME_COMPONENT(_module_path ${MODULE_SIP} PATH)
if(_module_path STREQUAL "")
set(CMAKE_CURRENT_SIP_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}")
else()
set(CMAKE_CURRENT_SIP_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/${_module_path}")
endif()
GET_FILENAME_COMPONENT(_abs_module_sip ${MODULE_SIP} ABSOLUTE)
# We give this target a long logical target name.
# (This is to avoid having the library name clash with any already
# install library names. If that happens then cmake dependancy
# tracking get confused.)
STRING(REPLACE "." "_" _logical_name ${MODULE_NAME})
SET(_logical_name "python_module_${_logical_name}")
FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_SIP_OUTPUT_DIR}) # Output goes in this dir.
SET(_sip_includes)
FOREACH (_inc ${SIP_INCLUDES})
GET_FILENAME_COMPONENT(_abs_inc ${_inc} ABSOLUTE)
LIST(APPEND _sip_includes -I ${_abs_inc})
ENDFOREACH (_inc )
SET(_sip_tags)
FOREACH (_tag ${SIP_TAGS})
LIST(APPEND _sip_tags -t ${_tag})
ENDFOREACH (_tag)
SET(_sip_x)
FOREACH (_x ${SIP_DISABLE_FEATURES})
LIST(APPEND _sip_x -x ${_x})
ENDFOREACH (_x ${SIP_DISABLE_FEATURES})
SET(_message "-DMESSAGE=Generating CPP code for module ${MODULE_NAME}")
SET(_sip_output_files)
FOREACH(CONCAT_NUM RANGE 0 ${SIP_CONCAT_PARTS} )
IF( ${CONCAT_NUM} LESS ${SIP_CONCAT_PARTS} )
SET(_sip_output_files ${_sip_output_files} ${CMAKE_CURRENT_SIP_OUTPUT_DIR}/sip${_child_module_name}part${CONCAT_NUM}.cpp )
ENDIF( ${CONCAT_NUM} LESS ${SIP_CONCAT_PARTS} )
ENDFOREACH(CONCAT_NUM RANGE 0 ${SIP_CONCAT_PARTS} )
IF(NOT WIN32)
SET(TOUCH_COMMAND touch)
ELSE(NOT WIN32)
SET(TOUCH_COMMAND echo)
# instead of a touch command, give out the name and append to the files
# this is basically what the touch command does.
FOREACH(filename ${_sip_output_files})
FILE(APPEND filename "")
ENDFOREACH(filename ${_sip_output_files})
ENDIF(NOT WIN32)
ADD_CUSTOM_COMMAND(
OUTPUT ${_sip_output_files}
COMMAND ${CMAKE_COMMAND} -E echo ${message}
COMMAND ${TOUCH_COMMAND} ${_sip_output_files}
COMMAND ${SIP_EXECUTABLE} ${_sip_tags} ${_sip_x} ${SIP_EXTRA_OPTIONS} -j ${SIP_CONCAT_PARTS} -c ${CMAKE_CURRENT_SIP_OUTPUT_DIR} ${_sip_includes} ${_abs_module_sip}
DEPENDS ${_abs_module_sip} ${SIP_EXTRA_FILES_DEPEND}
)
# not sure if type MODULE could be uses anywhere, limit to cygwin for now
IF (CYGWIN)
ADD_LIBRARY(${_logical_name} MODULE ${_sip_output_files} )
ELSE (CYGWIN)
ADD_LIBRARY(${_logical_name} SHARED ${_sip_output_files} )
ENDIF (CYGWIN)
TARGET_LINK_LIBRARIES(${_logical_name} ${PYTHON_LIBRARY})
TARGET_LINK_LIBRARIES(${_logical_name} ${EXTRA_LINK_LIBRARIES})
SET_TARGET_PROPERTIES(${_logical_name} PROPERTIES PREFIX "" OUTPUT_NAME ${_child_module_name})
INSTALL(TARGETS ${_logical_name} DESTINATION "${PYTHON_SITE_PACKAGES_INSTALL_DIR}/${_parent_module_path}")
ENDMACRO(ADD_SIP_PYTHON_MODULE)
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