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logdiag/cmake/FindGtkDoc.cmake
Přemysl Janouch b230b69539 Initial commit
2010-09-13 19:24:53 +02:00

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# - Finding gtk-doc and building documentation
# This module provides the following function:
#
# GTK_DOC_RUN (
# [ALL]
# [MODULE <module-name>]
# [WORKING_DIR <working-dir>]
# SOURCE_DIRS <source-dir> ...
# [IGNORE_FILES <file> ...]
# [{SGML | XML} [<mkdb-output-dir> [<mkdb-options>]]
# [HTML <html-output-dir> <backend-options>]]
# )
#
# The function creates a target named <module-name>_gtkdocize
# which will build the documentation as specified by parameters.
#
# ALL - always build the target
# MODULE - the name of the module
# CMAKE_PROJECT_NAME by default
# WORKING_DIR - path to the working directory
# CMAKE_CURRENT_BINARY_DIR by default
# SOURCE_DIRS - documentation sources
# IGNORE_FILES - ignore these files in the process
# SGML - make SGML output in the spec. directory
# XML - make XML output in the spec. directory
# HTML - make HTML output in the spec. directory
# (requires either SGML or XML)
#
# Also creates these virtual symbolic outputs if appropriate:
# <module-name>_gtkdocize_scan
# <module-name>_gtkdocize_scan_rebuild_types
# <module-name>_gtkdocize_scan_rebuild_sections
# <module-name>_gtkdocize_mkdb
# <module-name>_gtkdocize_mkhtml
#
#
#=============================================================================
# Copyright Přemysl Janouch 2010
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
#=============================================================================
# Useful resources
# ================
#
# /usr/share/cmake-2.8/Modules/readme.txt
#
# Autotools stack
# - /usr/share/aclocal/gtk-doc.m4
# - /usr/share/gtk-doc/data/gtk-doc{.notmpl}.make
#
# gtk+-2.0, glib-2.0, totem, ... packages -- docs subdir etc.
#
# Python wrapper -- useful resource
# - http://bjourne.webfactional.com/browser/gtkimageview/gtkdoc.py
#
# Overview of the process
# - http://library.gnome.org
# /devel/gtk-doc-manual/stable/howdoesgtkdocwork.html.en
#
# Documenting
# - http://live.gnome.org/DocumentationProject/GtkDoc
# - http://library.gnome.org
# /devel/gtk-doc-manual/stable/documenting_syntax.html.en
# - http://library.gnome.org
# /devel/gtk-doc-manual/stable/metafiles.html.en
#
# TODO
# ====
# - Since it doesn't work without the full Unix environment,
# it might be actually proper to use pkg-config
#
# - <module-name>_gtkdocize_scangobj
# - <module-name>_gtkdocize_mktmpl
# - <module-name>_gtkdocize_fixxref
# - Content files (included by the main SGML file)
#
find_program (GTK_DOC_SCAN_EXECUTABLE "gtkdoc-scan")
find_program (GTK_DOC_SCANGOBJ_EXECUTABLE "gtkdoc-scangobj")
find_program (GTK_DOC_MKTMPL_EXECUTABLE "gtkdoc-mktmpl")
find_program (GTK_DOC_MKDB_EXECUTABLE "gtkdoc-mkdb")
find_program (GTK_DOC_MKHTML_EXECUTABLE "gtkdoc-mkhtml")
find_program (GTK_DOC_FIXXREF_EXECUTABLE "gtkdoc-fixxref")
set (GTK_DOC_FOUND TRUE)
if (NOT GTK_DOC_SCAN_EXECUTABLE)
set (GTK_DOC_FOUND FALSE)
endif (NOT GTK_DOC_SCAN_EXECUTABLE)
if (GtkDoc_FIND_REQUIRED AND NOT GTK_DOC_FOUND)
message (FATAL_ERROR "gtk-doc NOT found")
endif (GtkDoc_FIND_REQUIRED AND NOT GTK_DOC_FOUND)
include (ProcessArguments)
function (GTK_DOC_RUN)
# Parse arguments given to this function
set (__names ALL MODULE WORKING_DIR)
set (__need NO NO NO)
set (__want 0 1 1)
set (__more NO NO NO)
set (__skip 0 0 0)
list (APPEND __names SOURCE_DIRS IGNORE_FILES SGML XML HTML)
list (APPEND __need YES NO NO NO NO)
list (APPEND __want 1 1 0 0 1)
list (APPEND __more YES YES YES YES YES)
list (APPEND __skip 0 0 1 0 0)
set (__argv ${ARGV})
PROCESS_ARGUMENTS (__argv __names __need __want __more __skip "_opt_")
# Further process the arguments
if (_opt_all)
set (_all ALL)
else (_opt_all)
set (_all)
endif (_opt_all)
if (_opt_module)
set (_module_name ${_opt_module_param})
else (_opt_module)
set (_module_name ${CMAKE_PROJECT_NAME})
endif (_opt_module)
if (_opt_working_dir)
set (_working_dir ${_opt_working_dir_param})
else (_opt_working_dir)
set (_working_dir ${CMAKE_CURRENT_BINARY_DIR})
endif (_opt_working_dir)
set (_source_dirs)
foreach (_dir ${_opt_source_dirs_param})
list (APPEND _source_dirs "--source-dir" "${_dir}")
endforeach (_dir ${_opt_source_dirs_param})
set (_ignores)
if (_opt_ignore_files)
foreach (_file ${_opt_ignore_files_param})
set (_ignores "${_ignores} ${_file}")
endforeach (_file ${_opt_ignore_files_param})
string (STRIP "${_ignores}" _ignores)
endif (_opt_ignore_files)
if (_opt_sgml)
set (_mkdb_format "sgml")
set (_mkdb_options "${_opt_sgml_param}")
elseif (_opt_xml)
set (_mkdb_format "xml")
set (_mkdb_options "${_opt_xml_param}")
else (_opt_sgml)
set (_mkdb_format OFF)
endif (_opt_sgml)
if (_mkdb_format)
set (_mkdb_driver ${_working_dir}/${_module_name}-docs.${_mkdb_format})
list (LENGTH _mkdb_options _length)
if (${_length} GREATER 0)
list (GET _mkdb_options 0 _mkdb_output_dir)
list (REMOVE_AT _mkdb_options 0)
else (${_length} GREATER 0)
set (_mkdb_output_dir ${_working_dir}/${_mkdb_format})
endif (${_length} GREATER 0)
endif (_mkdb_format)
# The basic target name
set (_target_name ${_module_name}_gtkdocize)
# Scan the source files
set (_scan_target_base
# These files are created if they don't exist
# ${_working_dir}/${_module_name}.types
# ${_working_dir}/${_module_name}-sections.txt
# ${_working_dir}/${_module_name}-overrides.txt
${_working_dir}/${_module_name}-decl.txt
${_working_dir}/${_module_name}-decl-list.txt
COMMAND ${GTK_DOC_SCAN_EXECUTABLE}
--module=${_module_name}
${_source_dirs} "--ignore-headers=${_ignores}"
--output-dir=${_working_dir})
add_custom_command (
OUTPUT ${_target_name}_scan
${_scan_target_base}
COMMENT "Calling gtkdoc-scan" VERBATIM)
# Special target to force rebuild of ${_module_name}.types
add_custom_command (
OUTPUT ${_target_name}_scan_rebuild_types
${_scan_target_base} --rebuild-types
COMMENT "Calling gtkdoc-scan to rebuild types" VERBATIM)
add_custom_target (${_target_name}_rebuild_types
DEPENDS ${_target_name}_scan_rebuild_types)
# Special target to force rebuild of ${_module_name}-sections.txt
add_custom_command (
OUTPUT ${_target_name}_scan_rebuild_sections
${_scan_target_base} --rebuild-sections
COMMENT "Calling gtkdoc-scan to rebuild sections" VERBATIM)
add_custom_target (${_target_name}_rebuild_sections
DEPENDS ${_target_name}_scan_rebuild_sections)
set_source_files_properties (
${_target_name}_scan
${_target_name}_scan_rebuild_types
${_target_name}_scan_rebuild_sections
PROPERTIES SYMBOLIC TRUE)
# gtkdoc-scangobj
#
# gtkdoc-scangobj builds and runs an inspection program. You must
# tell it how to do that by running it
#
# CC=.. CFLAGS=.. LD=.. LDFLAGS=.. RUN=.. gtkdoc-scangobj
#
# where the variables contain the right compiler, linker and their flags
# to build a program using your library. See the source of
# gtkdoc-scangobj around line containing `Compiling scanner' if you want
# to know how exactly are the variables used.
# gtkdoc-mktmpl
#
# See: cd /usr/share/gtk-doc/data/
# && diff -u gtk-doc.make gtk-doc.notmpl.make
#
# add_custom_command (
# OUTPUT ${_working_dir}/${_module_name}-unused.txt
# ${_working_dir}/tmpl.stamp
## This file is updated with unused templates
## ${_tmpl_dir}/${_module_name}-unused.sgml
## The directory is created if it didn't exist
## ${_tmpl_dir}
# COMMAND ${GTK_DOC_MKTMPL_EXECUTABLE}
# --module=${_module_name}
# --output-dir=${_tmpl_dir}
# WORKING_DIRECTORY ${_working_dir}
# COMMENT "Calling gtkdoc-mktmpl" VERBATIM)
# Create XML or SGML files
if (_mkdb_format)
add_custom_command (
OUTPUT ${_target_name}_mkdb
${_mkdb_output_dir}
${_working_dir}/sgml.stamp
${_working_dir}/${_module_name}-undeclared.txt
${_working_dir}/${_module_name}-undocumented.txt
${_working_dir}/${_module_name}-unused.txt
# --outputallsymbols --outputsymbolswithoutsince
# ${_working_dir}/${_module_name}-symbols.txt
# ${_working_dir}/${_module_name}-nosince.txt
COMMAND ${GTK_DOC_MKDB_EXECUTABLE}
--module=${_module_name}
${_source_dirs} "--ignore-files=${_ignores}"
--output-format=${_mkdb_format}
--output-dir=${_mkdb_output_dir}
${_mkdb_options} --main-sgml-file=${_mkdb_driver}
DEPENDS ${_target_name}_scan
WORKING_DIRECTORY ${_working_dir}
COMMENT "Calling gtkdoc-mkdb" VERBATIM)
set_source_files_properties (${_target_name}_mkdb
PROPERTIES SYMBOLIC TRUE)
set (_top_output ${_target_name}_mkdb)
else (_mkdb_format)
set (_top_output ${_target_name}_scan)
endif (_mkdb_format)
# Create HTML documentation
if (_opt_html)
if (NOT _mkdb_format)
message (FATAL_ERROR "Given HTML but neither XML nor SGML")
endif (NOT _mkdb_format)
list (GET _opt_html_param 0 _html_output_dir)
list (REMOVE_AT _opt_html_param 0)
add_custom_command (
OUTPUT ${_target_name}_mkhtml
${_html_output_dir}/../html.stamp
# We probably don't want this to be removed either
# ${_html_output_dir}
COMMAND ${CMAKE_COMMAND} -E make_directory ${_html_output_dir}
COMMAND ${CMAKE_COMMAND} -E chdir ${_html_output_dir}
${GTK_DOC_MKHTML_EXECUTABLE}
${_module_name} ${_mkdb_driver} ${_opt_html_param}
DEPENDS ${_target_name}_mkdb
COMMENT "Calling gtkdoc-mkhtml" VERBATIM)
set_source_files_properties (${_target_name}_mkhtml
PROPERTIES SYMBOLIC TRUE)
set (_top_output ${_target_name}_mkhtml)
endif (_opt_html)
# gtkdoc-fixxref
# ? copy ${_html_output_dir} to CMAKE_BINARY_DIR,
# run gtkdoc-fixxref in there and install the directory
# -> FIXXREF <output-dir> [INSTALL]
#
#? set (_fixxref_dir ${CMAKE_CURRENT_BINARY_DIR}/html-fixxref)
# add_custom_command (
# OUTPUT ${_target_name}_fixxref
#? ${_fixxref_dir}
#? COMMAND ${CMAKE_COMMAND} -E remove_directory ${_fixxref_dir}
#? COMMAND ${CMAKE_COMMAND} -E copy_directory
#? ${_html_output_dir} ${_fixxref_dir}
# COMMAND ${GTK_DOC_FIXXREF_EXECUTABLE}
# --module=${_module_name}
# --module-dir=${_html_output_dir}
#? --module-dir=${_fixxref_dir}
# DEPENDS ${_html_output_dir}
# WORKING_DIRECTORY ${_working_dir}
# COMMENT "Calling gtkdoc-fixxref" VERBATIM)
#? install (DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html-fixxref/
#? DESTINATION share/gtk-doc/html/${_module_name})
#& COMPONENT docs) -- see CPack component install
# gtkdoc-rebase -- how to do this?
#
# Probably omit this because source tarball cannot be hooked
# to do some action before.
# -> Custom dist target?
# add_custom_target(dist COMMAND ${CMAKE_MAKE_PROGRAM} package_source)
# -> ${_html_output_dir} could contain online links by default,
# then it could be copied to binary dir and rebased to relative
# * Looks like a very good idea, can work even without gtk-doc
# -> Or it can be first xreffed in the binary dir and then
# converted to online links in ${_html_output_dir}
# * Which one of those should be installed?
# The one in the binary directory or should the
# ${_html_output_dir} be rebased?
# * A rebasing custom command may create the binary directory
# if it doesn't exist
#
# When creating the source tarball for distribution,
# gtkdoc-rebase turns all external links into web-links.
# When installing distributed (pregenerated) docs the same
# application will try to turn links back to local links
# (where those docs are installed).
add_custom_target (${_target_name} ${_all}
DEPENDS ${_top_output})
endfunction (GTK_DOC_RUN)
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