diff options
Diffstat (limited to 'tools/gr-usrptest/cmake/Modules/UseSWIG.cmake')
| -rw-r--r-- | tools/gr-usrptest/cmake/Modules/UseSWIG.cmake | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/tools/gr-usrptest/cmake/Modules/UseSWIG.cmake b/tools/gr-usrptest/cmake/Modules/UseSWIG.cmake new file mode 100644 index 000000000..c0f172870 --- /dev/null +++ b/tools/gr-usrptest/cmake/Modules/UseSWIG.cmake @@ -0,0 +1,304 @@ +# - 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_${name}_EXTRA_FLAGS "-shadow") + endif() +endmacro() + +# +# For a given language, input file, and output file, determine extra files that +# will be generated. This is internal swig macro. +# + +macro(SWIG_GET_EXTRA_OUTPUT_FILES language outfiles generatedpath infile) + set(${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() + foreach(it ${SWIG_${language}_EXTRA_FILE_EXTENSION}) + set(${outfiles} ${${outfiles}} + "${generatedpath}/${SWIG_GET_EXTRA_OUTPUT_FILES_module_basename}.${it}") + endforeach() +endmacro() + +# +# 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() + 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 + "${swig_source_file_path}") + else() + if(${swig_source_file_path} MATCHES "^${CMAKE_CURRENT_BINARY_DIR}") + string(REGEX REPLACE + "^${CMAKE_CURRENT_BINARY_DIR}" "" + swig_source_file_relative_path + "${swig_source_file_path}") + set(swig_source_file_generated 1) + else() + set(swig_source_file_relative_path "${swig_source_file_path}") + if(swig_source_file_generated) + set(swig_source_file_fullname "${CMAKE_CURRENT_BINARY_DIR}/${infile}") + else() + set(swig_source_file_fullname "${CMAKE_CURRENT_SOURCE_DIR}/${infile}") + endif() + endif() + endif() + + 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() + # If CMAKE_SWIG_OUTDIR was specified then pass it to -outdir + if(CMAKE_SWIG_OUTDIR) + set(swig_outdir ${CMAKE_SWIG_OUTDIR}) + else() + set(swig_outdir ${CMAKE_CURRENT_BINARY_DIR}) + endif() + SWIG_GET_EXTRA_OUTPUT_FILES(${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() + set(swig_generated_file_fullname + "${swig_generated_file_fullname}.c") + endif() + + # Shut up some warnings from poor SWIG code generation that we + # can do nothing about, when this flag is available + include(CheckCXXCompilerFlag) + check_cxx_compiler_flag("-Wno-unused-but-set-variable" HAVE_WNO_UNUSED_BUT_SET_VARIABLE) + if(HAVE_WNO_UNUSED_BUT_SET_VARIABLE) + set_source_files_properties(${swig_generated_file_fullname} + PROPERTIES COMPILE_FLAGS "-Wno-unused-but-set-variable") + endif(HAVE_WNO_UNUSED_BUT_SET_VARIABLE) + + 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() + + set(swig_special_flags) + # default is c, so add c++ flag if it is c++ + if(swig_source_file_cplusplus) + set(swig_special_flags ${swig_special_flags} "-c++") + endif() + set(swig_extra_flags) + if(SWIG_MODULE_${name}_EXTRA_FLAGS) + set(swig_extra_flags ${swig_extra_flags} ${SWIG_MODULE_${name}_EXTRA_FLAGS}) + endif() + + # hack to work around CMake bug in add_custom_command with multiple OUTPUT files + + file(RELATIVE_PATH reldir ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR}) + execute_process( + COMMAND ${PYTHON_EXECUTABLE} -c "import re, hashlib +unique = hashlib.md5('${reldir}${ARGN}').hexdigest()[:5] +print(re.sub('\\W', '_', '${name} ${reldir} ' + unique))" + OUTPUT_VARIABLE _target OUTPUT_STRIP_TRAILING_WHITESPACE + ) + + file( + WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_target}.cpp.in + "int main(void){return 0;}\n" + ) + + # create dummy dependencies + add_custom_command( + OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_target}.cpp + COMMAND ${CMAKE_COMMAND} -E copy + ${CMAKE_CURRENT_BINARY_DIR}/${_target}.cpp.in + ${CMAKE_CURRENT_BINARY_DIR}/${_target}.cpp + DEPENDS "${swig_source_file_fullname}" ${SWIG_MODULE_${name}_EXTRA_DEPS} + COMMENT "" + ) + + # create the dummy target + add_executable(${_target} ${CMAKE_CURRENT_BINARY_DIR}/${_target}.cpp) + + # add a custom command to the dummy target + add_custom_command( + TARGET ${_target} + # 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}" + "${swig_source_file_fullname}" + COMMENT "Swig source" + ) + + #add dummy independent dependencies from the _target to each file + #that will be generated by the SWIG command above + + set(${outfiles} "${swig_generated_file_fullname}" ${swig_extra_generated_files}) + + foreach(swig_gen_file ${${outfiles}}) + add_custom_command( + OUTPUT ${swig_gen_file} + COMMAND "" + DEPENDS ${_target} + COMMENT "" + ) + endforeach() + + set_source_files_properties( + ${outfiles} PROPERTIES GENERATED 1 + ) + +endmacro() + +# +# Create Swig module +# +macro(SWIG_ADD_MODULE name language) + SWIG_MODULE_INITIALIZE(${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() + set(swig_other_sources ${swig_other_sources} "${it}") + endif() + endforeach() + + 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() + 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_${name}_REAL_NAME} PROPERTIES SUFFIX ".jnilib") + endif () + endif () + if ("${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() + endif () +endmacro() + +# +# 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} ${ARGN}) + else() + message(SEND_ERROR "Cannot find Swig library \"${name}\".") + endif() +endmacro() |