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CMake/Modules/UseSWIG.cmake
Stephen Kelly efc43cde8f Help: Fix some erroneous code block markers in Module docs. 
There are many style errors in these files. This patch fixes only
the syntactical errors.

The script which ported these to rst tripped on some incorrectly
formatted blocks in the original input documentation.  Use a new
script to find problematic code (and then fix them manually):

  #!/usr/bin/env python

  import os

  rootDir = '.'

  def checkFile(fname):

    f = open(fname)
    lines = f.readlines()
    started = False
    counter = 0
    for l in lines:
      if "#" in l:
        started = True
      elif started:
        return
      lin = l.find("(")
      if lin != -1 and l.find(")", lin) == -1 and \
          not "(To distribute this file outside of CMake, substitute the full" in l:
        for lp in lines[counter+1:]:
          if lp == "# ::\n":
            print "\n\n######### " + fname + "\n\n"
            print ''.join(lines[max(counter-2, 0):counter+6])
            break
          elif lp == "#\n" :
            continue
          break
      counter += 1

  for dirName, subdirList, fileList in os.walk(rootDir):
      for fname in fileList:
          checkFile(os.path.join(dirName, fname))
2014-01-07 09:52:56 -05:00

256 lines
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CMake
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#.rst:
# UseSWIG
# -------
#
# 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 "${name}")
if (CMAKE_SWIG_FLAGS MATCHES "-noproxy")
set (SWIG_MODULE_${name}_NOPROXY TRUE)
endif ()
if("${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "UNKNOWN")
message(FATAL_ERROR "SWIG Error: Language \"${language}\" not found")
elseif("${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "PYTHON" AND NOT SWIG_MODULE_${name}_NOPROXY)
# swig will produce a module.py containing an 'import _modulename' statement,
# which implies having a corresponding _modulename.so (*NIX), _modulename.pyd (Win32),
# unless the -noproxy flag is used
set(SWIG_MODULE_${name}_REAL_NAME "_${name}")
elseif("${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "PERL")
set(SWIG_MODULE_${name}_EXTRA_FLAGS "-shadow")
elseif("${SWIG_MODULE_${name}_LANGUAGE}" STREQUAL "CSHARP")
# This makes sure that the name used in the generated DllImport
# matches the library name created by CMake
set(SWIG_MODULE_${name}_EXTRA_FLAGS "-dllimport;${name}")
endif()
endmacro()
#
# For a given language, input file, and output file, determine extra files that
# will be generated. This is internal swig macro.
#
macro(SWIG_GET_EXTRA_OUTPUT_FILES language outfiles generatedpath infile)
set(${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 ${infile})
get_filename_component(swig_source_file_name_we "${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()
get_filename_component(swig_source_file_fullname "${infile}" ABSOLUTE)
# 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_outdir}/${swig_source_file_name_we}")
# add the language into the name of the file (i.e. TCL_wrap)
# this allows for the same .i file to be wrapped into different languages
set(swig_generated_file_fullname
"${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()
#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)
list(REMOVE_DUPLICATES cmake_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()
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}" ${swig_extra_generated_files})
endmacro()
#
# Create Swig module
#
macro(SWIG_ADD_MODULE name language)
SWIG_MODULE_INITIALIZE(${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 ("${swig_lowercase_language}" STREQUAL "octave")
set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "")
set_target_properties(${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES SUFFIX ".oct")
elseif ("${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 ()
elseif ("${swig_lowercase_language}" STREQUAL "python")
# this is only needed for the python case where a _modulename.so is generated
set_target_properties(${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_${name}_REAL_NAME} PROPERTIES SUFFIX ".pyd")
endif()
elseif ("${swig_lowercase_language}" STREQUAL "ruby")
# In ruby you want:
# require 'LIBRARY'
# then ruby will look for a library whose name is platform dependent, namely
# MacOS : LIBRARY.bundle
# Windows: LIBRARY.dll
# Linux : LIBRARY.so
set_target_properties (${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES PREFIX "")
if (APPLE)
set_target_properties (${SWIG_MODULE_${name}_REAL_NAME} PROPERTIES SUFFIX ".bundle")
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()
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