diff options
Diffstat (limited to 'Modules/UseSWIG.cmake')
| -rw-r--r-- | Modules/UseSWIG.cmake | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/Modules/UseSWIG.cmake b/Modules/UseSWIG.cmake new file mode 100644 index 000000000..ef7672440 --- /dev/null +++ b/Modules/UseSWIG.cmake @@ -0,0 +1,253 @@ +# - SWIG module for CMake +# Defines the following macros: +# SWIG_ADD_MODULE(name language [ files ]) +# - Define swig module with given name and specified language +# SWIG_LINK_LIBRARIES(name [ libraries ]) +# - Link libraries to swig module +# All other macros are for internal use only. +# To get the actual name of the swig module, +# use: ${SWIG_MODULE_${name}_REAL_NAME}. +# Set Source files properties such as CPLUSPLUS and SWIG_FLAGS to specify +# special behavior of SWIG. Also global CMAKE_SWIG_FLAGS can be used to add +# special flags to all swig calls. +# Another special variable is CMAKE_SWIG_OUTDIR, it allows one to specify +# where to write all the swig generated module (swig -outdir option) +# The name-specific variable SWIG_MODULE_<name>_EXTRA_DEPS may be used +# to specify extra dependencies for the generated modules. +# If the source file generated by swig need some special flag you can use +# SET_SOURCE_FILES_PROPERTIES( ${swig_generated_file_fullname} +# PROPERTIES COMPILE_FLAGS "-bla") + + +#============================================================================= +# Copyright 2004-2009 Kitware, Inc. +# Copyright 2009 Mathieu Malaterre <mathieu.malaterre@gmail.com> +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +SET(SWIG_CXX_EXTENSION "cxx") +SET(SWIG_EXTRA_LIBRARIES "") + +SET(SWIG_PYTHON_EXTRA_FILE_EXTENSION "py") + +# +# For given swig module initialize variables associated with it +# +MACRO(SWIG_MODULE_INITIALIZE name language) + STRING(TOUPPER "${language}" swig_uppercase_language) + STRING(TOLOWER "${language}" swig_lowercase_language) + SET(SWIG_MODULE_${name}_LANGUAGE "${swig_uppercase_language}") + SET(SWIG_MODULE_${name}_SWIG_LANGUAGE_FLAG "${swig_lowercase_language}") + + SET(SWIG_MODULE_${name}_REAL_NAME "${name}") + IF("${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "UNKNOWN") + MESSAGE(FATAL_ERROR "SWIG Error: Language \"${language}\" not found") + ELSEIF("${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "PYTHON") + # when swig is used without the -interface it will produce in the module.py + # a 'import _modulename' statement, which implies having a corresponding + # _modulename.so (*NIX), _modulename.pyd (Win32). + SET(SWIG_MODULE_${name}_REAL_NAME "_${name}") + ELSEIF("${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "PERL") + SET(SWIG_MODULE_${name}_EXTRA_FLAGS "-shadow") + ENDIF() +ENDMACRO(SWIG_MODULE_INITIALIZE) + +# +# For a given language, input file, and output file, determine extra files that +# will be generated. This is internal swig macro. +# + +MACRO(SWIG_GET_EXTRA_OUTPUT_FILES language outfiles generatedpath infile) + SET(${outfiles} "") + GET_SOURCE_FILE_PROPERTY(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename + ${infile} SWIG_MODULE_NAME) + IF(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename STREQUAL "NOTFOUND") + GET_FILENAME_COMPONENT(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename "${infile}" NAME_WE) + ENDIF(SWIG_GET_EXTRA_OUTPUT_FILES_module_basename STREQUAL "NOTFOUND") + FOREACH(it ${SWIG_${language}_EXTRA_FILE_EXTENSION}) + SET(${outfiles} ${${outfiles}} + "${generatedpath}/${SWIG_GET_EXTRA_OUTPUT_FILES_module_basename}.${it}") + ENDFOREACH(it) +ENDMACRO(SWIG_GET_EXTRA_OUTPUT_FILES) + +# +# Take swig (*.i) file and add proper custom commands for it +# +MACRO(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile) + SET(swig_full_infile ${infile}) + GET_FILENAME_COMPONENT(swig_source_file_path "${infile}" PATH) + GET_FILENAME_COMPONENT(swig_source_file_name_we "${infile}" NAME_WE) + GET_SOURCE_FILE_PROPERTY(swig_source_file_generated ${infile} GENERATED) + GET_SOURCE_FILE_PROPERTY(swig_source_file_cplusplus ${infile} CPLUSPLUS) + GET_SOURCE_FILE_PROPERTY(swig_source_file_flags ${infile} SWIG_FLAGS) + IF("${swig_source_file_flags}" STREQUAL "NOTFOUND") + SET(swig_source_file_flags "") + ENDIF("${swig_source_file_flags}" STREQUAL "NOTFOUND") + SET(swig_source_file_fullname "${infile}") + IF(${swig_source_file_path} MATCHES "^${CMAKE_CURRENT_SOURCE_DIR}") + STRING(REGEX REPLACE + "^${CMAKE_CURRENT_SOURCE_DIR}" "" + swig_source_file_relative_path + "${swig_source_file_path}") + ELSE(${swig_source_file_path} MATCHES "^${CMAKE_CURRENT_SOURCE_DIR}") + IF(${swig_source_file_path} MATCHES "^${CMAKE_CURRENT_BINARY_DIR}") + STRING(REGEX REPLACE + "^${CMAKE_CURRENT_BINARY_DIR}" "" + swig_source_file_relative_path + "${swig_source_file_path}") + SET(swig_source_file_generated 1) + ELSE(${swig_source_file_path} MATCHES "^${CMAKE_CURRENT_BINARY_DIR}") + SET(swig_source_file_relative_path "${swig_source_file_path}") + IF(swig_source_file_generated) + SET(swig_source_file_fullname "${CMAKE_CURRENT_BINARY_DIR}/${infile}") + ELSE(swig_source_file_generated) + SET(swig_source_file_fullname "${CMAKE_CURRENT_SOURCE_DIR}/${infile}") + ENDIF(swig_source_file_generated) + ENDIF(${swig_source_file_path} MATCHES "^${CMAKE_CURRENT_BINARY_DIR}") + ENDIF(${swig_source_file_path} MATCHES "^${CMAKE_CURRENT_SOURCE_DIR}") + + SET(swig_generated_file_fullname + "${CMAKE_CURRENT_BINARY_DIR}") + IF(swig_source_file_relative_path) + SET(swig_generated_file_fullname + "${swig_generated_file_fullname}/${swig_source_file_relative_path}") + ENDIF(swig_source_file_relative_path) + # If CMAKE_SWIG_OUTDIR was specified then pass it to -outdir + IF(CMAKE_SWIG_OUTDIR) + SET(swig_outdir ${CMAKE_SWIG_OUTDIR}) + ELSE(CMAKE_SWIG_OUTDIR) + SET(swig_outdir ${CMAKE_CURRENT_BINARY_DIR}) + ENDIF(CMAKE_SWIG_OUTDIR) + SWIG_GET_EXTRA_OUTPUT_FILES(${SWIG_MODULE_${name}_LANGUAGE} + swig_extra_generated_files + "${swig_outdir}" + "${infile}") + SET(swig_generated_file_fullname + "${swig_generated_file_fullname}/${swig_source_file_name_we}") + # add the language into the name of the file (i.e. TCL_wrap) + # this allows for the same .i file to be wrapped into different languages + SET(swig_generated_file_fullname + "${swig_generated_file_fullname}${SWIG_MODULE_${name}_LANGUAGE}_wrap") + + IF(swig_source_file_cplusplus) + SET(swig_generated_file_fullname + "${swig_generated_file_fullname}.${SWIG_CXX_EXTENSION}") + ELSE(swig_source_file_cplusplus) + SET(swig_generated_file_fullname + "${swig_generated_file_fullname}.c") + ENDIF(swig_source_file_cplusplus) + + #MESSAGE("Full path to source file: ${swig_source_file_fullname}") + #MESSAGE("Full path to the output file: ${swig_generated_file_fullname}") + GET_DIRECTORY_PROPERTY(cmake_include_directories INCLUDE_DIRECTORIES) + SET(swig_include_dirs) + FOREACH(it ${cmake_include_directories}) + SET(swig_include_dirs ${swig_include_dirs} "-I${it}") + ENDFOREACH(it) + + SET(swig_special_flags) + # default is c, so add c++ flag if it is c++ + IF(swig_source_file_cplusplus) + SET(swig_special_flags ${swig_special_flags} "-c++") + ENDIF(swig_source_file_cplusplus) + SET(swig_extra_flags) + IF(SWIG_MODULE_${name}_EXTRA_FLAGS) + SET(swig_extra_flags ${swig_extra_flags} ${SWIG_MODULE_${name}_EXTRA_FLAGS}) + ENDIF(SWIG_MODULE_${name}_EXTRA_FLAGS) + ADD_CUSTOM_COMMAND( + OUTPUT "${swig_generated_file_fullname}" ${swig_extra_generated_files} + # Let's create the ${swig_outdir} at execution time, in case dir contains $(OutDir) + COMMAND ${CMAKE_COMMAND} -E make_directory ${swig_outdir} + COMMAND "${SWIG_EXECUTABLE}" + ARGS "-${SWIG_MODULE_${name}_SWIG_LANGUAGE_FLAG}" + ${swig_source_file_flags} + ${CMAKE_SWIG_FLAGS} + -outdir ${swig_outdir} + ${swig_special_flags} + ${swig_extra_flags} + ${swig_include_dirs} + -o "${swig_generated_file_fullname}" + "${swig_source_file_fullname}" + MAIN_DEPENDENCY "${swig_source_file_fullname}" + DEPENDS ${SWIG_MODULE_${name}_EXTRA_DEPS} + COMMENT "Swig source") + SET_SOURCE_FILES_PROPERTIES("${swig_generated_file_fullname}" ${swig_extra_generated_files} + PROPERTIES GENERATED 1) + SET(${outfiles} "${swig_generated_file_fullname}" ${swig_extra_generated_files}) +ENDMACRO(SWIG_ADD_SOURCE_TO_MODULE) + +# +# Create Swig module +# +MACRO(SWIG_ADD_MODULE name language) + SWIG_MODULE_INITIALIZE(${name} ${language}) + SET(swig_dot_i_sources) + SET(swig_other_sources) + FOREACH(it ${ARGN}) + IF(${it} MATCHES ".*\\.i$") + SET(swig_dot_i_sources ${swig_dot_i_sources} "${it}") + ELSE(${it} MATCHES ".*\\.i$") + SET(swig_other_sources ${swig_other_sources} "${it}") + ENDIF(${it} MATCHES ".*\\.i$") + ENDFOREACH(it) + + SET(swig_generated_sources) + FOREACH(it ${swig_dot_i_sources}) + SWIG_ADD_SOURCE_TO_MODULE(${name} swig_generated_source ${it}) + SET(swig_generated_sources ${swig_generated_sources} "${swig_generated_source}") + ENDFOREACH(it) + GET_DIRECTORY_PROPERTY(swig_extra_clean_files ADDITIONAL_MAKE_CLEAN_FILES) + SET_DIRECTORY_PROPERTIES(PROPERTIES + ADDITIONAL_MAKE_CLEAN_FILES "${swig_extra_clean_files};${swig_generated_sources}") + ADD_LIBRARY(${SWIG_MODULE_${name}_REAL_NAME} + MODULE + ${swig_generated_sources} + ${swig_other_sources}) + STRING(TOLOWER "${language}" swig_lowercase_language) + IF ("${swig_lowercase_language}" STREQUAL "java") + IF (APPLE) + # In java you want: + # System.loadLibrary("LIBRARY"); + # then JNI will look for a library whose name is platform dependent, namely + # MacOS : libLIBRARY.jnilib + # Windows: LIBRARY.dll + # Linux : libLIBRARY.so + SET_TARGET_PROPERTIES (${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES SUFFIX ".jnilib") + ENDIF (APPLE) + ENDIF ("${swig_lowercase_language}" STREQUAL "java") + IF ("${swig_lowercase_language}" STREQUAL "python") + # this is only needed for the python case where a _modulename.so is generated + SET_TARGET_PROPERTIES(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "") + # Python extension modules on Windows must have the extension ".pyd" + # instead of ".dll" as of Python 2.5. Older python versions do support + # this suffix. + # http://docs.python.org/whatsnew/ports.html#SECTION0001510000000000000000 + # <quote> + # Windows: .dll is no longer supported as a filename extension for extension modules. + # .pyd is now the only filename extension that will be searched for. + # </quote> + IF(WIN32 AND NOT CYGWIN) + SET_TARGET_PROPERTIES(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES SUFFIX ".pyd") + ENDIF(WIN32 AND NOT CYGWIN) + ENDIF ("${swig_lowercase_language}" STREQUAL "python") +ENDMACRO(SWIG_ADD_MODULE) + +# +# Like TARGET_LINK_LIBRARIES but for swig modules +# +MACRO(SWIG_LINK_LIBRARIES name) + IF(SWIG_MODULE_${name}_REAL_NAME) + TARGET_LINK_LIBRARIES(${SWIG_MODULE_${name}_REAL_NAME} ${ARGN}) + ELSE(SWIG_MODULE_${name}_REAL_NAME) + MESSAGE(SEND_ERROR "Cannot find Swig library \"${name}\".") + ENDIF(SWIG_MODULE_${name}_REAL_NAME) +ENDMACRO(SWIG_LINK_LIBRARIES name) + |