cmake
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Vitor Santos Costa
parent
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commit
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335
cmake/NewUseSWIG.cmake
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335
cmake/NewUseSWIG.cmake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# UseSWIG
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# -------
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#
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# Defines the following macros for use with SWIG:
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#
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# ::
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#
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# SWIG_ADD_LIBRARY(<name>
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# <LANGUAGE> language>
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# [TYPE <SHARED|MODULE|STATIC>]
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# [[SOURCES] <file>...])
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# - Define swig module with given name and specified language
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# SWIG_LINK_LIBRARIES(name [ libraries ])
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# - Link libraries to swig module
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#
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# Source files properties on module files can be set before the invocation
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# of the SWIG_ADD_LIBRARY macro to specify special behavior of SWIG.
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#
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# The source file property CPLUSPLUS calls SWIG in c++ mode, e.g.::
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#
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# set_property(SOURCE mymod.i PROPERTY CPLUSPLUS ON)
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# swig_add_library(mymod LANGUAGE python SOURCES mymod.i)
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#
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# The source file property SWIG_FLAGS adds custom flags to the SWIG executable.
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#
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# The source-file property SWIG_MODULE_NAME have to be provided to specify the actual
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# import name of the module in the target language if it cannot be scanned automatically
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# from source or different from the module file basename.::
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#
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# set_property(SOURCE mymod.i PROPERTY SWIG_MODULE_NAME mymod_realname)
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#
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# To get the name of the swig module target library, use: ${SWIG_MODULE_${name}_REAL_NAME}.
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#
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# Also some variables can be set to specify special behavior of SWIG.
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#
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# CMAKE_SWIG_FLAGS can be used to add special flags to all swig calls.
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#
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# CMAKE_SWIG_OUTDIR allows one to specify where to write
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# the language specific files (swig -outdir option).
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#
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# SWIG_OUTFILE_DIR allows one to specify where to write the output file
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# (swig -o option). If not specified, CMAKE_SWIG_OUTDIR is used.
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#
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# The name-specific variable SWIG_MODULE_<name>_EXTRA_DEPS may be used to specify extra
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# dependencies for the generated modules.
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#
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# If the source file generated by swig need some special flag you can use::
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#
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# set_source_files_properties( ${swig_generated_file_fullname}
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# PROPERTIES COMPILE_FLAGS "-bla")
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set(SWIG_CXX_EXTENSION "cxx")
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set(SWIG_EXTRA_LIBRARIES "")
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set(SWIG_PYTHON_EXTRA_FILE_EXTENSION "py")
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#
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# For given swig module initialize variables associated with it
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#
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macro(SWIG_MODULE_INITIALIZE name language)
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string(TOUPPER "${language}" swig_uppercase_language)
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string(TOLOWER "${language}" swig_lowercase_language)
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set(SWIG_MODULE_${name}_LANGUAGE "${swig_uppercase_language}")
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set(SWIG_MODULE_${name}_SWIG_LANGUAGE_FLAG "${swig_lowercase_language}")
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set(SWIG_MODULE_${name}_REAL_NAME "${name}")
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if (";${CMAKE_SWIG_FLAGS};" MATCHES ";-noproxy;")
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set (SWIG_MODULE_${name}_NOPROXY TRUE)
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endif ()
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if("x${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "xUNKNOWN")
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message(FATAL_ERROR "SWIG Error: Language \"${language}\" not found")
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elseif("x${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "xPYTHON" AND NOT SWIG_MODULE_${name}_NOPROXY)
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# swig will produce a module.py containing an 'import _modulename' statement,
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# which implies having a corresponding _modulename.so (*NIX), _modulename.pyd (Win32),
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# unless the -noproxy flag is used
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set(SWIG_MODULE_${name}_REAL_NAME "_${name}")
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elseif("x${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "xPERL")
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set(SWIG_MODULE_${name}_EXTRA_FLAGS "-shadow")
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elseif("x${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "xCSHARP")
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# This makes sure that the name used in the generated DllImport
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# matches the library name created by CMake
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set(SWIG_MODULE_${name}_EXTRA_FLAGS "-dllimport;${name}")
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endif()
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endmacro()
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#
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# For a given language, input file, and output file, determine extra files that
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# will be generated. This is internal swig macro.
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#
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macro(SWIG_GET_EXTRA_OUTPUT_FILES language outfiles generatedpath infile)
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set(${outfiles} "")
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get_source_file_property(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename
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${infile} SWIG_MODULE_NAME)
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if(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename STREQUAL "NOTFOUND")
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# try to get module name from "%module foo" syntax
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if ( EXISTS ${infile} )
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file ( STRINGS ${infile} _MODULE_NAME REGEX "[ ]*%module[ ]*[a-zA-Z0-9_]+.*" )
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endif ()
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if ( _MODULE_NAME )
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string ( REGEX REPLACE "[ ]*%module[ ]*([a-zA-Z0-9_]+).*" "\\1" _MODULE_NAME "${_MODULE_NAME}" )
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set(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename "${_MODULE_NAME}")
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else ()
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# try to get module name from "%module (options=...) foo" syntax
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if ( EXISTS ${infile} )
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file ( STRINGS ${infile} _MODULE_NAME REGEX "[ ]*%module[ ]*\\(.*\\)[ ]*[a-zA-Z0-9_]+.*" )
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endif ()
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if ( _MODULE_NAME )
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string ( REGEX REPLACE "[ ]*%module[ ]*\\(.*\\)[ ]*([a-zA-Z0-9_]+).*" "\\1" _MODULE_NAME "${_MODULE_NAME}" )
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set(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename "${_MODULE_NAME}")
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else ()
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# fallback to file basename
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get_filename_component(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename ${infile} NAME_WE)
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endif ()
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endif ()
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endif()
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foreach(it ${SWIG_${language}_EXTRA_FILE_EXTENSION})
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set(${outfiles} ${${outfiles}}
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"${generatedpath}/${SWIG_GET_EXTRA_OUTPUT_FILES_module_basename}.${it}")
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endforeach()
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endmacro()
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#
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# Take swig (*.i) file and add proper custom commands for it
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#
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macro(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
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set(swig_full_infile ${infile})
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get_filename_component(swig_source_file_name_we "${infile}" NAME_WE)
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get_source_file_property(swig_source_file_generated ${infile} GENERATED)
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get_source_file_property(swig_source_file_cplusplus ${infile} CPLUSPLUS)
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get_source_file_property(swig_source_file_flags ${infile} SWIG_FLAGS)
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if("${swig_source_file_flags}" STREQUAL "NOTFOUND")
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set(swig_source_file_flags "")
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endif()
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get_filename_component(swig_source_file_fullname "${infile}" ABSOLUTE)
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# If CMAKE_SWIG_OUTDIR was specified then pass it to -outdir
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if(CMAKE_SWIG_OUTDIR)
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set(swig_outdir ${CMAKE_SWIG_OUTDIR})
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else()
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set(swig_outdir ${CMAKE_CURRENT_BINARY_DIR})
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endif()
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if(SWIG_OUTFILE_DIR)
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set(swig_outfile_dir ${SWIG_OUTFILE_DIR})
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else()
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set(swig_outfile_dir ${swig_outdir})
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endif()
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if (NOT SWIG_MODULE_${name}_NOPROXY)
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SWIG_GET_EXTRA_OUTPUT_FILES(${SWIG_MODULE_${name}_LANGUAGE}
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swig_extra_generated_files
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"${swig_outdir}"
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"${swig_source_file_fullname}")
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endif()
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set(swig_generated_file_fullname
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"${swig_outfile_dir}/${swig_source_file_name_we}")
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# add the language into the name of the file (i.e. TCL_wrap)
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# this allows for the same .i file to be wrapped into different languages
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string(APPEND swig_generated_file_fullname
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"${SWIG_MODULE_${name}_LANGUAGE}_wrap")
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if(swig_source_file_cplusplus)
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string(APPEND swig_generated_file_fullname
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".${SWIG_CXX_EXTENSION}")
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else()
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string(APPEND swig_generated_file_fullname
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".c")
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endif()
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#message("Full path to source file: ${swig_source_file_fullname}")
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#message("Full path to the output file: ${swig_generated_file_fullname}")
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get_directory_property(cmake_include_directories INCLUDE_DIRECTORIES)
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list(REMOVE_DUPLICATES cmake_include_directories)
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set(swig_include_dirs)
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foreach(it ${cmake_include_directories})
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set(swig_include_dirs ${swig_include_dirs} "-I${it}")
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endforeach()
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set(swig_special_flags)
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# default is c, so add c++ flag if it is c++
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if(swig_source_file_cplusplus)
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set(swig_special_flags ${swig_special_flags} "-c++")
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endif()
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set(swig_extra_flags)
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if(SWIG_MODULE_${name}_EXTRA_FLAGS)
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set(swig_extra_flags ${swig_extra_flags} ${SWIG_MODULE_${name}_EXTRA_FLAGS})
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endif()
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add_custom_command(
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OUTPUT "${swig_generated_file_fullname}" ${swig_extra_generated_files}
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# Let's create the ${swig_outdir} at execution time, in case dir contains $(OutDir)
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COMMAND ${CMAKE_COMMAND} -E make_directory ${swig_outdir}
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COMMAND "${SWIG_EXECUTABLE}"
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ARGS "-${SWIG_MODULE_${name}_SWIG_LANGUAGE_FLAG}"
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${swig_source_file_flags}
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${CMAKE_SWIG_FLAGS}
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-outdir ${swig_outdir}
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${swig_special_flags}
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${swig_extra_flags}
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${swig_include_dirs}
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-o "${swig_generated_file_fullname}"
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"${swig_source_file_fullname}"
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MAIN_DEPENDENCY "${swig_source_file_fullname}"
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DEPENDS ${SWIG_MODULE_${name}_EXTRA_DEPS}
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COMMENT "Swig source")
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set_source_files_properties("${swig_generated_file_fullname}" ${swig_extra_generated_files}
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PROPERTIES GENERATED 1)
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set(${outfiles} "${swig_generated_file_fullname}" ${swig_extra_generated_files})
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endmacro()
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#
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# Create Swig module
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#
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macro(SWIG_ADD_MODULE name language)
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message(DEPRECATION "SWIG_ADD_MODULE is deprecated. Use SWIG_ADD_LIBRARY instead.")
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swig_add_library(${name}
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LANGUAGE ${language}
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TYPE MODULE
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SOURCES ${ARGN})
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endmacro()
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macro(SWIG_ADD_LIBRARY name)
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include(CMakeParseArguments)
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set(options "")
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set(oneValueArgs LANGUAGE
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TYPE)
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set(multiValueArgs SOURCES)
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cmake_parse_arguments(_SAM "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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if(NOT DEFINED _SAM_LANGUAGE)
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message(FATAL_ERROR "SWIG_ADD_LIBRARY: Missing LANGUAGE argument")
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endif()
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if(NOT DEFINED _SAM_SOURCES)
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message(FATAL_ERROR "SWIG_ADD_LIBRARY: Missing SOURCES argument")
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endif()
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if(NOT DEFINED _SAM_TYPE)
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set(_SAM_TYPE MODULE)
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endif()
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swig_module_initialize(${name} ${_SAM_LANGUAGE})
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set(swig_dot_i_sources)
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set(swig_other_sources)
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foreach(it ${_SAM_SOURCES})
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if(${it} MATCHES "\\.i$")
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set(swig_dot_i_sources ${swig_dot_i_sources} "${it}")
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else()
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set(swig_other_sources ${swig_other_sources} "${it}")
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endif()
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endforeach()
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set(swig_generated_sources)
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foreach(it ${swig_dot_i_sources})
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SWIG_ADD_SOURCE_TO_MODULE(${name} swig_generated_source ${it})
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set(swig_generated_sources ${swig_generated_sources} "${swig_generated_source}")
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endforeach()
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get_directory_property(swig_extra_clean_files ADDITIONAL_MAKE_CLEAN_FILES)
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set_directory_properties(PROPERTIES
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ADDITIONAL_MAKE_CLEAN_FILES "${swig_extra_clean_files};${swig_generated_sources}")
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add_library(${SWIG_MODULE_${name}_REAL_NAME}
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${_SAM_TYPE}
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${swig_generated_sources}
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${swig_other_sources})
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set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES NO_SONAME ON)
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string(TOLOWER "${_SAM_LANGUAGE}" swig_lowercase_language)
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if ("${swig_lowercase_language}" STREQUAL "octave")
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set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "")
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set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES SUFFIX ".oct")
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elseif ("${swig_lowercase_language}" STREQUAL "go")
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set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "")
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elseif ("${swig_lowercase_language}" STREQUAL "java")
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if (APPLE)
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# In java you want:
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# System.loadLibrary("LIBRARY");
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# then JNI will look for a library whose name is platform dependent, namely
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# MacOS : libLIBRARY.jnilib
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# Windows: LIBRARY.dll
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# Linux : libLIBRARY.so
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set_target_properties (${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES SUFFIX ".jnilib")
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endif ()
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elseif ("${swig_lowercase_language}" STREQUAL "lua")
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set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "")
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elseif ("${swig_lowercase_language}" STREQUAL "python")
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# this is only needed for the python case where a _modulename.so is generated
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set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "")
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# Python extension modules on Windows must have the extension ".pyd"
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# instead of ".dll" as of Python 2.5. Older python versions do support
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# this suffix.
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# http://docs.python.org/whatsnew/ports.html#SECTION0001510000000000000000
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# <quote>
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# Windows: .dll is no longer supported as a filename extension for extension modules.
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# .pyd is now the only filename extension that will be searched for.
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# </quote>
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if(WIN32 AND NOT CYGWIN)
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set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES SUFFIX ".pyd")
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endif()
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elseif ("${swig_lowercase_language}" STREQUAL "r")
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set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "")
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elseif ("${swig_lowercase_language}" STREQUAL "ruby")
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# In ruby you want:
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# require 'LIBRARY'
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# then ruby will look for a library whose name is platform dependent, namely
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# MacOS : LIBRARY.bundle
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# Windows: LIBRARY.dll
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# Linux : LIBRARY.so
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set_target_properties (${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "")
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if (APPLE)
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set_target_properties (${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES SUFFIX ".bundle")
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endif ()
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endif ()
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endmacro()
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#
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# Like TARGET_LINK_LIBRARIES but for swig modules
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#
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macro(SWIG_LINK_LIBRARIES name)
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if(SWIG_MODULE_${name}_REAL_NAME)
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target_link_libraries(${SWIG_MODULE_${name}_REAL_NAME} ${ARGN})
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else()
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message(SEND_ERROR "Cannot find Swig library \"${name}\".")
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endif()
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endmacro()
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