gr-osmosdr/cmake/Modules/GrSwig.cmake

249 lines
9.5 KiB
CMake

# Copyright 2010-2011 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
if(DEFINED __INCLUDED_GR_SWIG_CMAKE)
return()
endif()
set(__INCLUDED_GR_SWIG_CMAKE TRUE)
include(GrPython)
########################################################################
# Builds a swig documentation file to be generated into python docstrings
# Usage: GR_SWIG_MAKE_DOCS(output_file input_path input_path....)
#
# Set the following variable to specify extra dependent targets:
# - GR_SWIG_DOCS_SOURCE_DEPS
# - GR_SWIG_DOCS_TARGET_DEPS
########################################################################
function(GR_SWIG_MAKE_DOCS output_file)
if(ENABLE_DOXYGEN)
#setup the input files variable list, quote formated
set(input_files)
unset(INPUT_PATHS)
foreach(input_path ${ARGN})
if (IS_DIRECTORY ${input_path}) #when input path is a directory
file(GLOB input_path_h_files ${input_path}/*.h)
else() #otherwise its just a file, no glob
set(input_path_h_files ${input_path})
endif()
list(APPEND input_files ${input_path_h_files})
set(INPUT_PATHS "${INPUT_PATHS} \"${input_path}\"")
endforeach(input_path)
#determine the output directory
get_filename_component(name ${output_file} NAME_WE)
get_filename_component(OUTPUT_DIRECTORY ${output_file} PATH)
set(OUTPUT_DIRECTORY ${OUTPUT_DIRECTORY}/${name}_swig_docs)
make_directory(${OUTPUT_DIRECTORY})
#generate the Doxyfile used by doxygen
configure_file(
${CMAKE_SOURCE_DIR}/docs/doxygen/Doxyfile.swig_doc.in
${OUTPUT_DIRECTORY}/Doxyfile
@ONLY)
#Create a dummy custom command that depends on other targets
include(GrMiscUtils)
GR_GEN_TARGET_DEPS(_${name}_tag tag_deps ${GR_SWIG_DOCS_TARGET_DEPS})
#call doxygen on the Doxyfile + input headers
add_custom_command(
OUTPUT ${OUTPUT_DIRECTORY}/xml/index.xml
DEPENDS ${input_files} ${GR_SWIG_DOCS_SOURCE_DEPS} ${tag_deps}
COMMAND ${DOXYGEN_EXECUTABLE} ${OUTPUT_DIRECTORY}/Doxyfile
COMMENT "Generating doxygen xml for ${name} docs"
)
#call the swig_doc script on the xml files
add_custom_command(
OUTPUT ${output_file}
DEPENDS ${input_files} ${stamp-file} ${OUTPUT_DIRECTORY}/xml/index.xml
COMMAND ${PYTHON_EXECUTABLE} ${PYTHON_DASH_B}
${CMAKE_SOURCE_DIR}/docs/doxygen/swig_doc.py
${OUTPUT_DIRECTORY}/xml
${output_file}
COMMENT "Generating python docstrings for ${name}"
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/docs/doxygen
)
else(ENABLE_DOXYGEN)
file(WRITE ${output_file} "\n") #no doxygen -> empty file
endif(ENABLE_DOXYGEN)
endfunction(GR_SWIG_MAKE_DOCS)
########################################################################
# Build a swig target for the common gnuradio use case. Usage:
# GR_SWIG_MAKE(target ifile ifile ifile...)
#
# Set the following variables before calling:
# - GR_SWIG_FLAGS
# - GR_SWIG_INCLUDE_DIRS
# - GR_SWIG_LIBRARIES
# - GR_SWIG_SOURCE_DEPS
# - GR_SWIG_TARGET_DEPS
# - GR_SWIG_DOC_FILE
# - GR_SWIG_DOC_DIRS
########################################################################
macro(GR_SWIG_MAKE name)
set(ifiles ${ARGN})
# Shimming this in here to take care of a SWIG bug with handling
# vector<size_t> and vector<unsigned int> (on 32-bit machines) and
# vector<long unsigned int> (on 64-bit machines). Use this to test
# the size of size_t, then set SIZE_T_32 if it's a 32-bit machine
# or not if it's 64-bit. The logic in gr_type.i handles the rest.
INCLUDE (CheckTypeSize)
CHECK_TYPE_SIZE("size_t" SIZEOF_SIZE_T)
CHECK_TYPE_SIZE("unsigned int" SIZEOF_UINT)
if(${SIZEOF_SIZE_T} EQUAL ${SIZEOF_UINT})
list(APPEND GR_SWIG_FLAGS -DSIZE_T_32)
endif(${SIZEOF_SIZE_T} EQUAL ${SIZEOF_UINT})
#do swig doc generation if specified
if (GR_SWIG_DOC_FILE)
set(GR_SWIG_DOCS_SOURCE_DEPS ${GR_SWIG_SOURCE_DEPS})
list(APPEND GR_SWIG_DOCS_TARGET_DEPS ${GR_SWIG_TARGET_DEPS})
GR_SWIG_MAKE_DOCS(${GR_SWIG_DOC_FILE} ${GR_SWIG_DOC_DIRS})
add_custom_target(${name}_swig_doc DEPENDS ${GR_SWIG_DOC_FILE})
list(APPEND GR_SWIG_TARGET_DEPS ${name}_swig_doc ${GR_RUNTIME_SWIG_DOC_FILE})
endif()
#append additional include directories
find_package(PythonLibs 2)
list(APPEND GR_SWIG_INCLUDE_DIRS ${PYTHON_INCLUDE_PATH}) #deprecated name (now dirs)
list(APPEND GR_SWIG_INCLUDE_DIRS ${PYTHON_INCLUDE_DIRS})
#prepend local swig directories
list(INSERT GR_SWIG_INCLUDE_DIRS 0 ${CMAKE_CURRENT_SOURCE_DIR})
list(INSERT GR_SWIG_INCLUDE_DIRS 0 ${CMAKE_CURRENT_BINARY_DIR})
#determine include dependencies for swig file
execute_process(
COMMAND ${PYTHON_EXECUTABLE}
${CMAKE_BINARY_DIR}/get_swig_deps.py
"${ifiles}" "${GR_SWIG_INCLUDE_DIRS}"
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE SWIG_MODULE_${name}_EXTRA_DEPS
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
#Create a dummy custom command that depends on other targets
include(GrMiscUtils)
GR_GEN_TARGET_DEPS(_${name}_swig_tag tag_deps ${GR_SWIG_TARGET_DEPS})
set(tag_file ${CMAKE_CURRENT_BINARY_DIR}/${name}.tag)
add_custom_command(
OUTPUT ${tag_file}
DEPENDS ${GR_SWIG_SOURCE_DEPS} ${tag_deps}
COMMAND ${CMAKE_COMMAND} -E touch ${tag_file}
)
#append the specified include directories
include_directories(${GR_SWIG_INCLUDE_DIRS})
list(APPEND SWIG_MODULE_${name}_EXTRA_DEPS ${tag_file})
#setup the swig flags with flags and include directories
set(CMAKE_SWIG_FLAGS -fvirtual -modern -keyword -w511 -module ${name} ${GR_SWIG_FLAGS})
foreach(dir ${GR_SWIG_INCLUDE_DIRS})
list(APPEND CMAKE_SWIG_FLAGS "-I${dir}")
endforeach(dir)
#set the C++ property on the swig .i file so it builds
set_source_files_properties(${ifiles} PROPERTIES CPLUSPLUS ON)
#setup the actual swig library target to be built
include(UseSWIG)
SWIG_ADD_MODULE(${name} python ${ifiles})
SWIG_LINK_LIBRARIES(${name} ${PYTHON_LIBRARIES} ${GR_SWIG_LIBRARIES})
endmacro(GR_SWIG_MAKE)
########################################################################
# Install swig targets generated by GR_SWIG_MAKE. Usage:
# GR_SWIG_INSTALL(
# TARGETS target target target...
# [DESTINATION destination]
# [COMPONENT component]
# )
########################################################################
macro(GR_SWIG_INSTALL)
include(CMakeParseArgumentsCopy)
CMAKE_PARSE_ARGUMENTS(GR_SWIG_INSTALL "" "DESTINATION;COMPONENT" "TARGETS" ${ARGN})
foreach(name ${GR_SWIG_INSTALL_TARGETS})
install(TARGETS ${SWIG_MODULE_${name}_REAL_NAME}
DESTINATION ${GR_SWIG_INSTALL_DESTINATION}
COMPONENT ${GR_SWIG_INSTALL_COMPONENT}
)
include(GrPython)
GR_PYTHON_INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${name}.py
DESTINATION ${GR_SWIG_INSTALL_DESTINATION}
COMPONENT ${GR_SWIG_INSTALL_COMPONENT}
)
GR_LIBTOOL(
TARGET ${SWIG_MODULE_${name}_REAL_NAME}
DESTINATION ${GR_SWIG_INSTALL_DESTINATION}
)
endforeach(name)
endmacro(GR_SWIG_INSTALL)
########################################################################
# Generate a python file that can determine swig dependencies.
# Used by the make macro above to determine extra dependencies.
# When you build C++, CMake figures out the header dependencies.
# This code essentially performs that logic for swig includes.
########################################################################
file(WRITE ${CMAKE_BINARY_DIR}/get_swig_deps.py "
import os, sys, re
i_include_matcher = re.compile('%(include|import)\\s*[<|\"](.*)[>|\"]')
h_include_matcher = re.compile('#(include)\\s*[<|\"](.*)[>|\"]')
include_dirs = sys.argv[2].split(';')
def get_swig_incs(file_path):
if file_path.endswith('.i'): matcher = i_include_matcher
else: matcher = h_include_matcher
file_contents = open(file_path, 'r').read()
return matcher.findall(file_contents, re.MULTILINE)
def get_swig_deps(file_path, level):
deps = [file_path]
if level == 0: return deps
for keyword, inc_file in get_swig_incs(file_path):
for inc_dir in include_dirs:
inc_path = os.path.join(inc_dir, inc_file)
if not os.path.exists(inc_path): continue
deps.extend(get_swig_deps(inc_path, level-1))
break #found, we dont search in lower prio inc dirs
return deps
if __name__ == '__main__':
ifiles = sys.argv[1].split(';')
deps = sum([get_swig_deps(ifile, 3) for ifile in ifiles], [])
#sys.stderr.write(';'.join(set(deps)) + '\\n\\n')
print(';'.join(set(deps)))
")