372 lines
14 KiB
CMake
372 lines
14 KiB
CMake
# - Finding gtk-doc and building documentation
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# This module provides the following function:
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#
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# GTK_DOC_RUN (
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# [ALL]
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# [MODULE <module-name>]
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# [WORKING_DIR <working-dir>]
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# SOURCE_DIRS <source-dir> ...
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# [IGNORE_FILES <file> ...]
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# [SCANGOBJ <library> [<link-libraries> ...]]
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# [{SGML | XML} [<mkdb-output-dir> [<mkdb-options>]]
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# [HTML <html-output-dir> <backend-options>]]
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# )
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#
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# The function creates a target named <module-name>_gtkdocize
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# which will build the documentation as specified by parameters.
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#
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# ALL - always build the target
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# MODULE - the name of the module
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# CMAKE_PROJECT_NAME by default
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# WORKING_DIR - path to the working directory
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# CMAKE_CURRENT_BINARY_DIR by default
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# SOURCE_DIRS - documentation sources
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# IGNORE_FILES - ignore these files in the process
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# SCANGOBJ - build an object hierarchy scanner
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# SGML - make SGML output in the spec. directory
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# XML - make XML output in the spec. directory
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# HTML - make HTML output in the spec. directory
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# (requires either SGML or XML)
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#
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# Also creates these virtual symbolic outputs if appropriate:
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# <module-name>_gtkdocize_scan
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# <module-name>_gtkdocize_scan_rebuild_types
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# <module-name>_gtkdocize_scan_rebuild_sections
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# <module-name>_gtkdocize_scan_gobject
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# <module-name>_gtkdocize_mkdb
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# <module-name>_gtkdocize_mkhtml
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#
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#
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#=============================================================================
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# Copyright Přemysl Janouch 2010 - 2011
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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# OF SUCH DAMAGE.
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#=============================================================================
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# TODO
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# ====
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# - Since it doesn't work without the full Unix environment,
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# it might be actually proper to use pkg-config
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#
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# - <module-name>_gtkdocize_fixxref
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# - gtkdoc-rebase
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# - Content files (included by the main SGML file)
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#
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find_program (GTK_DOC_SCAN_EXECUTABLE "gtkdoc-scan")
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find_program (GTK_DOC_SCANGOBJ_EXECUTABLE "gtkdoc-scangobj")
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find_program (GTK_DOC_MKTMPL_EXECUTABLE "gtkdoc-mktmpl")
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find_program (GTK_DOC_MKDB_EXECUTABLE "gtkdoc-mkdb")
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find_program (GTK_DOC_MKHTML_EXECUTABLE "gtkdoc-mkhtml")
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find_program (GTK_DOC_FIXXREF_EXECUTABLE "gtkdoc-fixxref")
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mark_as_advanced (GTK_DOC_SCAN_EXECUTABLE GTK_DOC_SCANGOBJ_EXECUTABLE
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GTK_DOC_MKTMPL_EXECUTABLE GTK_DOC_MKDB_EXECUTABLE
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GTK_DOC_MKHTML_EXECUTABLE GTK_DOC_FIXXREF_EXECUTABLE)
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include (FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS (GTK_DOC DEFAULT_MSG GTK_DOC_SCAN_EXECUTABLE)
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include (ProcessArguments)
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function (GTK_DOC_RUN)
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# Parse arguments given to this function
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set (__names ALL MODULE WORKING_DIR SOURCE_DIRS IGNORE_FILES)
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set (__need NO NO NO YES NO)
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set (__want 0 1 1 1 1)
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set (__more NO NO NO YES YES)
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set (__skip 0 0 0 0 0)
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list (APPEND __names SCANGOBJ SGML XML HTML)
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list (APPEND __need NO NO NO NO)
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list (APPEND __want 1 0 0 1)
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list (APPEND __more YES YES YES YES)
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list (APPEND __skip 0 1 0 0)
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set (__argv ${ARGV})
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PROCESS_ARGUMENTS (__argv __names __need __want __more __skip "_opt_")
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# Further process the arguments
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if (_opt_all)
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set (_all ALL)
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else (_opt_all)
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set (_all)
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endif (_opt_all)
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if (_opt_module)
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set (_module_name ${_opt_module_param})
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else (_opt_module)
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set (_module_name ${CMAKE_PROJECT_NAME})
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endif (_opt_module)
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if (_opt_working_dir)
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set (_working_dir ${_opt_working_dir_param})
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else (_opt_working_dir)
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set (_working_dir ${CMAKE_CURRENT_BINARY_DIR})
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endif (_opt_working_dir)
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set (_source_dirs)
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foreach (_dir ${_opt_source_dirs_param})
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list (APPEND _source_dirs "--source-dir" "${_dir}")
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endforeach (_dir)
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set (_ignores)
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if (_opt_ignore_files)
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foreach (_file ${_opt_ignore_files_param})
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set (_ignores "${_ignores} ${_file}")
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endforeach (_file)
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string (STRIP "${_ignores}" _ignores)
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endif (_opt_ignore_files)
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if (_opt_sgml)
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set (_mkdb_format "sgml")
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set (_mkdb_options "${_opt_sgml_param}")
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elseif (_opt_xml)
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set (_mkdb_format "xml")
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set (_mkdb_options "${_opt_xml_param}")
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else (_opt_sgml)
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set (_mkdb_format OFF)
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endif (_opt_sgml)
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if (_mkdb_format)
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set (_mkdb_driver ${_working_dir}/${_module_name}-docs.${_mkdb_format})
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list (LENGTH _mkdb_options _length)
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if (${_length} GREATER 0)
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list (GET _mkdb_options 0 _mkdb_output_dir)
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list (REMOVE_AT _mkdb_options 0)
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else (${_length} GREATER 0)
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set (_mkdb_output_dir ${_working_dir}/${_mkdb_format})
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endif (${_length} GREATER 0)
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endif (_mkdb_format)
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# The basic target name
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set (_target_name ${_module_name}_gtkdocize)
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# Scan the source files
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set (_scan_target_base
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# These files are created if they don't exist
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# ${_working_dir}/${_module_name}.types
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# ${_working_dir}/${_module_name}-sections.txt
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# ${_working_dir}/${_module_name}-overrides.txt
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${_working_dir}/${_module_name}-decl.txt
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${_working_dir}/${_module_name}-decl-list.txt
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COMMAND ${GTK_DOC_SCAN_EXECUTABLE}
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--module=${_module_name}
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${_source_dirs} "--ignore-headers=${_ignores}"
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--output-dir=${_working_dir})
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add_custom_command (
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OUTPUT ${_target_name}_scan
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${_scan_target_base}
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COMMENT "Calling gtkdoc-scan" VERBATIM)
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# Special target to force rebuild of ${_module_name}.types
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add_custom_command (
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OUTPUT ${_target_name}_scan_rebuild_types
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${_scan_target_base} --rebuild-types
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COMMENT "Calling gtkdoc-scan to rebuild types" VERBATIM)
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add_custom_target (${_target_name}_rebuild_types
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DEPENDS ${_target_name}_scan_rebuild_types)
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# Special target to force rebuild of ${_module_name}-sections.txt
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add_custom_command (
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OUTPUT ${_target_name}_scan_rebuild_sections
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${_scan_target_base} --rebuild-sections
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COMMENT "Calling gtkdoc-scan to rebuild sections" VERBATIM)
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add_custom_target (${_target_name}_rebuild_sections
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DEPENDS ${_target_name}_scan_rebuild_sections)
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set_source_files_properties (
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${_target_name}_scan
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${_target_name}_scan_rebuild_types
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${_target_name}_scan_rebuild_sections
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PROPERTIES SYMBOLIC TRUE)
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set (_top_output ${_target_name}_scan)
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# Scan the object hierarchy
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# This is a terrible hack, but there's no other way around.
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if (_opt_scangobj)
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# Put all include directories into CFLAGS
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set (_cflags)
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get_directory_property (_include_dirs INCLUDE_DIRECTORIES)
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foreach (_dir ${_include_dirs})
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set (_cflags "${_cflags} -I${_dir}")
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endforeach (_dir)
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# Put all libraries to LDFLAGS
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set (_ldflags "-L${CMAKE_CURRENT_BINARY_DIR}")
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set (_lib_depends)
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set (_lib_dir_used)
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foreach (_lib ${_opt_scangobj_param} ${CMAKE_STANDARD_LIBRARIES})
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get_filename_component (_lib_dir ${_lib} PATH)
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get_filename_component (_lib_name ${_lib} NAME)
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if (TARGET ${_lib_name})
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get_target_property (_lib_output_name ${_lib_name} OUTPUT_NAME)
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if (_lib_output_name)
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set (_lib_name ${_lib_output_name})
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endif (_lib_output_name)
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list (APPEND _lib_depends ${_lib_name})
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else (TARGET ${_lib_name})
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list (FIND _lib_dir_used "${_lib_dir}" _lib_dir_found)
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if (_lib_dir AND _lib_dir_found EQUAL "-1")
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set (_ldflags "${_ldflags} -L${_lib_dir}")
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list (APPEND _lib_dir_used ${_lib_dir})
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endif (_lib_dir AND _lib_dir_found EQUAL "-1")
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string (REGEX REPLACE "^${CMAKE_SHARED_LIBRARY_PREFIX}" ""
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_lib_name "${_lib_name}")
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string (REGEX REPLACE "${CMAKE_SHARED_LIBRARY_SUFFIX}\$" ""
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_lib_name "${_lib_name}")
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endif (TARGET ${_lib_name})
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set (_ldflags "${_ldflags} -l${_lib_name}")
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endforeach (_lib)
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add_custom_command (
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OUTPUT ${_target_name}_scan_gobject
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${_working_dir}/${_module_name}.signals
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${_working_dir}/${_module_name}.hierarchy
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${_working_dir}/${_module_name}.interfaces
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${_working_dir}/${_module_name}.prerequisites
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${_working_dir}/${_module_name}.args
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COMMAND "CC=${CMAKE_C_COMPILER}" "CFLAGS=${_cflags}"
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"LD=${CMAKE_C_COMPILER}" "LDFLAGS=${_ldflags}"
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"RUN=" ${GTK_DOC_SCANGOBJ_EXECUTABLE}
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--module=${_module_name} --output-dir=${_working_dir}
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DEPENDS ${_top_output} ${_lib_depends}
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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COMMENT "Calling gtkdoc-scangobj")
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set_source_files_properties (${_target_name}_scan_gobject
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PROPERTIES SYMBOLIC TRUE)
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set (_top_output ${_target_name}_scan_gobject)
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endif (_opt_scangobj)
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# Create XML or SGML files
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if (_mkdb_format)
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add_custom_command (
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OUTPUT ${_target_name}_mkdb
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${_mkdb_output_dir}
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${_working_dir}/sgml.stamp
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${_working_dir}/${_module_name}-undeclared.txt
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${_working_dir}/${_module_name}-undocumented.txt
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${_working_dir}/${_module_name}-unused.txt
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# --outputallsymbols --outputsymbolswithoutsince
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# ${_working_dir}/${_module_name}-symbols.txt
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# ${_working_dir}/${_module_name}-nosince.txt
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COMMAND ${CMAKE_COMMAND} -E remove_directory ${_mkdb_output_dir}
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COMMAND ${GTK_DOC_MKDB_EXECUTABLE}
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--module=${_module_name}
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${_source_dirs} "--ignore-files=${_ignores}"
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--output-format=${_mkdb_format}
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--output-dir=${_mkdb_output_dir}
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${_mkdb_options} --main-sgml-file=${_mkdb_driver}
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DEPENDS ${_top_output}
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WORKING_DIRECTORY ${_working_dir}
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COMMENT "Calling gtkdoc-mkdb" VERBATIM)
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set_source_files_properties (${_target_name}_mkdb
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PROPERTIES SYMBOLIC TRUE)
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set (_top_output ${_target_name}_mkdb)
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endif (_mkdb_format)
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# Create HTML documentation
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if (_opt_html)
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if (NOT _mkdb_format)
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message (FATAL_ERROR "Given HTML but neither XML nor SGML")
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endif (NOT _mkdb_format)
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list (GET _opt_html_param 0 _html_output_dir)
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list (REMOVE_AT _opt_html_param 0)
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add_custom_command (
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OUTPUT ${_target_name}_mkhtml
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${_html_output_dir}/../html.stamp
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# We probably don't want this to be removed either
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# ${_html_output_dir}
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COMMAND ${CMAKE_COMMAND} -E remove_directory ${_html_output_dir}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${_html_output_dir}
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COMMAND ${CMAKE_COMMAND} -E chdir ${_html_output_dir}
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${GTK_DOC_MKHTML_EXECUTABLE}
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${_module_name} ${_mkdb_driver} ${_opt_html_param}
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DEPENDS ${_top_output}
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COMMENT "Calling gtkdoc-mkhtml" VERBATIM)
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set_source_files_properties (${_target_name}_mkhtml
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PROPERTIES SYMBOLIC TRUE)
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set (_top_output ${_target_name}_mkhtml)
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endif (_opt_html)
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# gtkdoc-fixxref
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# ? copy ${_html_output_dir} to CMAKE_BINARY_DIR,
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# run gtkdoc-fixxref in there and install the directory
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# -> FIXXREF <output-dir> [INSTALL]
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#
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#? set (_fixxref_dir ${CMAKE_CURRENT_BINARY_DIR}/html-fixxref)
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# add_custom_command (
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# OUTPUT ${_target_name}_fixxref
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#? ${_fixxref_dir}
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#? COMMAND ${CMAKE_COMMAND} -E remove_directory ${_fixxref_dir}
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#? COMMAND ${CMAKE_COMMAND} -E copy_directory
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#? ${_html_output_dir} ${_fixxref_dir}
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# COMMAND ${GTK_DOC_FIXXREF_EXECUTABLE}
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# --module=${_module_name}
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# --module-dir=${_html_output_dir}
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#? --module-dir=${_fixxref_dir}
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# DEPENDS ${_html_output_dir}
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# WORKING_DIRECTORY ${_working_dir}
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# COMMENT "Calling gtkdoc-fixxref" VERBATIM)
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#? install (DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html-fixxref/
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#? DESTINATION share/gtk-doc/html/${_module_name})
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#& COMPONENT docs) -- see CPack component install
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# gtkdoc-rebase -- how to do this?
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#
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# Probably omit this because source tarball cannot be hooked
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# to do some action before.
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# -> Custom dist target?
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# add_custom_target(dist COMMAND ${CMAKE_MAKE_PROGRAM} package_source)
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# -> ${_html_output_dir} could contain online links by default,
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# then it could be copied to binary dir and rebased to relative
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# * Looks like a very good idea, can work even without gtk-doc
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# -> Or it can be first xreffed in the binary dir and then
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# converted to online links in ${_html_output_dir}
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# * Which one of those should be installed?
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# The one in the binary directory or should the
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# ${_html_output_dir} be rebased?
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# * A rebasing custom command may create the binary directory
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# if it doesn't exist
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#
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# When creating the source tarball for distribution,
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# gtkdoc-rebase turns all external links into web-links.
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# When installing distributed (pregenerated) docs the same
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# application will try to turn links back to local links
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# (where those docs are installed).
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add_custom_target (${_target_name} ${_all}
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DEPENDS ${_top_output})
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endfunction (GTK_DOC_RUN)
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