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CMakeLists.txt
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#===============================================================================
# @file CMakeLists.txt
#
# @author Nicolas Richart <nicolas.richart@epfl.ch>
#
# @date Wed Jul 9 17:22:12 2014
#
# @brief CMake file for the python wrapping of akantu
#
# @section LICENSE
#
# Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# Akantu is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Akantu. If not, see <http://www.gnu.org/licenses/>.
#
#===============================================================================
#===============================================================================
# Configuration
#===============================================================================
set(AKANTU_SWIG_FLAGS -w309,325,401)
set(AKANTU_SWIG_OUTDIR ${CMAKE_CURRENT_SOURCE_DIR})
set(AKANTU_SWIG_MODULES swig/akantu.i)
#===============================================================================
# Swig wrapper
#===============================================================================
find_package(SWIG REQUIRED)
find_package(PythonLibs)
include_directories(
${CMAKE_CURRENT_SOURCE_DIR}/swig
${PYTHON_INCLUDE_PATH}
${AKANTU_INCLUDE_DIRS}
${Boost_INCLUDE_DIRS}
)
include(CMakeParseArguments)
function(swig_generate_dependencies _module _depedencies)
set(_dependencies_script "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/_swig_generate_dependencies.cmake")
file(WRITE ${_dependencies_script} "
set(_include_directories ${_include_directories})
list(APPEND _include_directories \"./\")
set(_dep)
set(_files_to_process \${_module})
while(_files_to_process)
list(GET _files_to_process 0 _file)
list(REMOVE_AT _files_to_process 0)
file(STRINGS \${_file} _file_content REGEX \"^%include *\\\"(.*)\\\"\")
set(_includes)
foreach(_line \${_file_content})
string(REGEX REPLACE \"^%include *\\\"(.*)\\\"\" \"\\\\1\" _inc \${_line})
if(_inc)
list(APPEND _includes \${_inc})
endif()
endforeach()
foreach(_include \${_includes})
unset(_found)
foreach(_inc_dir \${_include_directories})
if(EXISTS \${_inc_dir}/\${_include})
set(_found \${_inc_dir}/\${_include})
break()
endif()
endforeach()
if(_found)
list(APPEND _files_to_process \${_found})
list(APPEND _dep \${_found})
endif()
endforeach()
endwhile()
get_filename_component(_module_we \"\${_module}\" NAME_WE)
set(_dependencies_file \${CMAKE_CURRENT_BINARY_DIR}\${CMAKE_FILES_DIRECTORY}/_swig_\${_module_we}_depends.cmake)
file(WRITE \"\${_dependencies_file}\"
\"set(_swig_\${_module_we}_depends\")
foreach(_d \${_dep})
file(APPEND \"\${_dependencies_file}\" \"
\${_d}\")
endforeach()
file(APPEND \"\${_dependencies_file}\" \"
)\")
")
get_directory_property(_include_directories INCLUDE_DIRECTORIES)
get_filename_component(_module_absolute "${_module}" ABSOLUTE)
get_filename_component(_module_we "${_module}" NAME_WE)
set(_dependencies_file ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/_swig_${_module_we}_depends.cmake)
if(EXISTS ${_dependencies_file})
include(${_dependencies_file})
else()
execute_process(COMMAND ${CMAKE_COMMAND}
-D_module=${_module_absolute}
-P ${_dependencies_script}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
include(${_dependencies_file})
endif()
add_custom_command(OUTPUT ${_dependencies_file}
COMMAND ${CMAKE_COMMAND}
-D_module=${_module_absolute}
-P ${_dependencies_script}
COMMENT "Scannong dependencies for swig module ${_module_we}"
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
MAIN_DEPENDENCY ${_module_absolute}
DEPENDS ${_swig_${_module_we}_depends}
)
set(${_depedencies} ${_dependencies_file} PARENT_SCOPE)
endfunction()
function(swig_generate_wrappers project _wrappers)
cmake_parse_arguments(_swig_opt "" "OUTPUT_DIR" "EXTRA_FLAGS" ${ARGN})
if(_swig_opt_OUTPUT_DIR)
set(_output_dir ${_swig_opt_OUTPUT_DIR})
else()
set(_output_dir ${CMAKE_CURRENT_BINARY_DIR})
endif()
set(_swig_wrappers)
get_directory_property(_include_directories INCLUDE_DIRECTORIES)
if(_include_directories)
string(REPLACE ";" ";-I" _swig_include_directories "${_include_directories}")
endif()
foreach(_module ${_swig_opt_UNPARSED_ARGUMENTS})
swig_generate_dependencies(${_module} _module_dependencies)
get_filename_component(_module_absolute "${_module}" ABSOLUTE)
get_filename_component(_module_path "${_module_absolute}" PATH)
get_filename_component(_module_name "${_module}" NAME)
get_filename_component(_module_we "${_module}" NAME_WE)
set(_wrapper "${_output_dir}/${_module_we}_wrapper.cc")
set(_extra_wrapper "${_output_dir}/${_module_we}.py")
set(_extra_wrapper_bin "${CMAKE_CURRENT_BINARY_DIR}/${_module_we}.py")
if(SWIG_FOUND)
set_source_files_properties("${_wrapper}" PROPERTIES GENERATED 1)
set_source_files_properties("${_extra_wrapper}" PROPERTIES GENERATED 1)
set(_dependencies_file ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/_swig_${_module_we}_depends.cmake)
set(_ouput "${_wrapper}" "${_extra_wrapper}" "${_extra_wrapper_bin}")
add_custom_command(
OUTPUT ${_ouput}
COMMAND "${SWIG_EXECUTABLE}"
ARGS -python -c++
${_swig_opt_EXTRA_FLAGS}
-outdir ${_output_dir}
-I${_swig_include_directories} -I${_module_path}
-o "${_wrapper}"
"${_module_absolute}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${_extra_wrapper} ${_extra_wrapper_bin}
# MAIN_DEPENDENCY "${_module_absolute}"
DEPENDS ${_module_dependencies}
COMMENT "Generating swig wrapper ${_module} -> ${_wrapper}"
)
list(APPEND _swig_wrappers ${_wrapper})
else()
if(NOT EXISTS ${_wrapper} OR NOT EXISTS "${_extra_wrapper}")
message(FATAL_ERROR "The file ${_wrapper} and/or ${_extra_wrapper} does not exists and they cannot be generated. Install swig in order to generate them")
else()
list(APPEND _swig_wrappers ${_wrapper})
endif()
endif()
endforeach()
add_custom_target(${project}_generate_swig_wrappers DEPENDS ${_swig_wrappers})
set(${_wrappers} ${_swig_wrappers} PARENT_SCOPE)
endfunction()
swig_generate_wrappers(akantu AKANTU_SWIG_WRAPPERS
${AKANTU_SWIG_MODULES}
EXTRA_FLAGS ${AKANTU_SWIG_FLAGS})
if(AKANTU_SWIG_WRAPPERS)
add_library(_akantu MODULE ${AKANTU_SWIG_WRAPPERS})
target_link_libraries(_akantu akantu ${PYTHON_LIBRARIES})
set_target_properties(_akantu PROPERTIES PREFIX "")
endif()
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