fltk/documentation/CMakeLists.txt

261 lines
6.9 KiB
CMake

#
# CMakeLists.txt to build docs for the FLTK project using CMake (www.cmake.org)
#
# Copyright 1998-2023 by Bill Spitzak and others.
#
# This library is free software. Distribution and use rights are outlined in
# the file "COPYING" which should have been included with this file. If this
# file is missing or damaged, see the license at:
#
# https://www.fltk.org/COPYING.php
#
# Please see the following page on how to report bugs and issues:
#
# https://www.fltk.org/bugs.php
#
set(DOCS)
set(GENERATE_DOCS FALSE)
set(GIT_REVISION "")
set(YEAR "")
set(CURRENT_DATE "")
if(FLTK_BUILD_HTML_DOCS OR FLTK_BUILD_PDF_DOCS)
set(GENERATE_DOCS TRUE)
endif()
if(FLTK_INCLUDE_DRIVER_DOCS)
set(DRIVER_DOCS "DriverDev")
else()
set(DRIVER_DOCS "")
endif()
#------------------------------------------------
# generate files used for both HTML and PDF docs
#------------------------------------------------
if(GENERATE_DOCS)
# create required variables
execute_process(COMMAND date "+%Y"
OUTPUT_VARIABLE YEAR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
# note: current locale is used for abbreviated month
execute_process(COMMAND date "+%b %d, %Y"
OUTPUT_VARIABLE CURRENT_DATE
OUTPUT_STRIP_TRAILING_WHITESPACE
)
# find git revision
# FIXME: This must also work with tarballs where git is not available.
# For now we just ignore errors and set GIT_REVISION = "unknown".
# In the future tarball/zip generation should create a file
# that contains the git revision.
execute_process(COMMAND
git rev-parse --short=10 HEAD
OUTPUT_VARIABLE GIT_REVISION
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${FLTK_SOURCE_DIR}
ERROR_QUIET
)
# set to "'unknown'" if git is not available
if(GIT_REVISION STREQUAL "")
set(GIT_REVISION "'unknown'")
endif()
# Find "short" doxygen version if it was built from Git
# Note: this is still needed in CMake 3.12.0 but later CMake versions
# (notably 3.25) remove the Git revision in 'DOXYGEN_VERSION'.
# Todo: Find the "first good" CMake version and remove this redundant
# code once we require this as our minimal version and replace the
# variable DOXYGEN_VERSION_SHORT with DOXYGEN_VERSION below.
if(DOXYGEN_FOUND)
# strip trailing git revision if doxygen was built from source
string(REGEX REPLACE " .*$" "" DOXYGEN_VERSION_SHORT ${DOXYGEN_VERSION})
endif(DOXYGEN_FOUND)
# configure copyright.dox (includes current year)
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/copyright.dox.in
${CMAKE_CURRENT_BINARY_DIR}/copyright.dox
@ONLY
)
# configure generated.dox (includes date and versions)
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/generated.dox.in
${CMAKE_CURRENT_BINARY_DIR}/generated.dox
@ONLY
)
if(0) # debug
fl_debug_var(YEAR)
fl_debug_var(CURRENT_DATE)
fl_debug_var(GIT_REVISION)
fl_debug_var(DOXYGEN_FOUND)
fl_debug_var(DOXYGEN_EXECUTABLE)
fl_debug_var(DOXYGEN_VERSION)
fl_debug_var(DOXYGEN_VERSION_SHORT)
endif()
endif(GENERATE_DOCS)
#--------------------------
# build html documentation
#--------------------------
if(FLTK_BUILD_HTML_DOCS)
list(APPEND DOCS html)
# generate Doxygen file "Doxyfile"
set(GENERATE_HTML YES)
set(GENERATE_LATEX NO)
set(LATEX_HEADER "")
set(DOXYFILE "Doxyfile")
set(LOGFILE "${CMAKE_CURRENT_BINARY_DIR}/${DOXYFILE}_error.log")
# configure Doxygen input file for HTML docs (Doxyfile.in)
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in
${CMAKE_CURRENT_BINARY_DIR}/${DOXYFILE}.in
@ONLY
)
# convert Doxyfile to used doxygen version
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${DOXYFILE}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/convert_doxyfile
${DOXYGEN_EXECUTABLE}
${DOXYFILE}.in
${DOXYFILE}
${LOGFILE}
BYPRODUCTS ${LOGFILE}
COMMENT "Converting ${DOXYFILE} to doxygen version ${DOXYGEN_VERSION_SHORT}" VERBATIM
)
# generate HTML documentation
add_custom_target(html
COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYFILE}
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${DOXYFILE}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating HTML documentation" VERBATIM
)
endif(FLTK_BUILD_HTML_DOCS)
#--------------------------
# build pdf documentation
#--------------------------
if(FLTK_BUILD_PDF_DOCS)
list(APPEND DOCS pdf)
# generate Doxygen input file "Doxybook"
set(GENERATE_HTML NO)
set(GENERATE_LATEX YES)
set(LATEX_HEADER "${CMAKE_CURRENT_BINARY_DIR}/fltk-book.tex")
set(DOXYFILE "Doxybook")
set(LOGFILE "${CMAKE_CURRENT_BINARY_DIR}/${DOXYFILE}_error.log")
# configure Doxygen input file for PDF docs (Doxybook.in)
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in
${CMAKE_CURRENT_BINARY_DIR}/${DOXYFILE}.in
@ONLY
)
# convert Doxybook to current doxygen version
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${DOXYFILE}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/convert_doxyfile
${DOXYGEN_EXECUTABLE}
${DOXYFILE}.in
${DOXYFILE}
${LOGFILE}
BYPRODUCTS ${LOGFILE}
COMMENT "Converting ${DOXYFILE} to doxygen version ${DOXYGEN_VERSION_SHORT}" VERBATIM
)
# generate LaTeX title fltk-title.tex
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/src/fltk-title.tex.in
${CMAKE_CURRENT_BINARY_DIR}/fltk-title.tex
@ONLY
)
# generate fltk.pdf
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/fltk.pdf
COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/make_header
${DOXYGEN_EXECUTABLE}
${CMAKE_CURRENT_BINARY_DIR}/fltk-title.tex
${CMAKE_CURRENT_BINARY_DIR}/fltk-book.tex
COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYFILE}
COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/make_pdf
COMMAND cp -f latex/refman.pdf fltk.pdf
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${DOXYFILE}
${CMAKE_CURRENT_BINARY_DIR}/fltk-title.tex
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating PDF documentation" VERBATIM
)
# add target 'pdf'
add_custom_target(pdf
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/fltk.pdf
)
endif(FLTK_BUILD_PDF_DOCS)
#----------------------------------
# add target 'docs' for all docs
#----------------------------------
if(DOCS)
add_custom_target(docs
DEPENDS ${DOCS}
)
endif(DOCS)
#----------------------------------
# install html + pdf documentation
#----------------------------------
if(FLTK_INSTALL_HTML_DOCS AND FLTK_BUILD_HTML_DOCS)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html
DESTINATION ${FLTK_DATADIR}/doc/fltk
)
endif(FLTK_INSTALL_HTML_DOCS AND FLTK_BUILD_HTML_DOCS)
if(FLTK_INSTALL_PDF_DOCS AND FLTK_BUILD_PDF_DOCS)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/fltk.pdf
DESTINATION ${FLTK_DATADIR}/doc/fltk/
)
endif(FLTK_INSTALL_PDF_DOCS AND FLTK_BUILD_PDF_DOCS)