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# Try to find DocBook XSL stylesheet
# Once done, it will define:
#
# DocBookXSL_FOUND - system has the required DocBook XML DTDs
# DocBookXSL_DIR - the directory containing the stylesheets
# used to process DocBook XML
# SPDX-FileCopyrightText: 2010 Luigi Toscano <luigi.toscano@tiscali.it>
#
# SPDX-License-Identifier: BSD-3-Clause
include(FeatureSummary)
set_package_properties(DocBookXSL PROPERTIES DESCRIPTION "DocBook XSL"
URL "http://docbook.sourceforge.net/release/xsl/current/"
)
set (STYLESHEET_PATH_LIST
${CMAKE_INSTALL_DATAROOTDIR}/xml/docbook/stylesheet/docbook-xsl
${CMAKE_INSTALL_DATAROOTDIR}/xml/docbook/xsl-stylesheets
${CMAKE_INSTALL_DATAROOTDIR}/sgml/docbook/xsl-stylesheets
${CMAKE_INSTALL_DATAROOTDIR}/xml/docbook/stylesheet/nwalsh/current
${CMAKE_INSTALL_DATAROOTDIR}/xml/docbook/stylesheet/nwalsh
${CMAKE_INSTALL_DATAROOTDIR}/xsl/docbook
${CMAKE_INSTALL_DATAROOTDIR}/xsl/docbook-xsl
# for building on Mac with docbook-xsl installed by homebrew
opt/docbook-xsl/docbook-xsl
# for building with Nix package manager
xml/xsl/docbook
)
find_path (DocBookXSL_DIR lib/lib.xsl
PATHS ${CMAKE_SYSTEM_PREFIX_PATH}
PATH_SUFFIXES ${STYLESHEET_PATH_LIST}
)
if (NOT DocBookXSL_DIR)
# hacks for systems that put the version in the stylesheet dirs
set (STYLESHEET_PATH_LIST)
foreach (STYLESHEET_PREFIX_ITER ${CMAKE_SYSTEM_PREFIX_PATH})
file(GLOB STYLESHEET_SUFFIX_ITER RELATIVE ${STYLESHEET_PREFIX_ITER}
${STYLESHEET_PREFIX_ITER}/share/xml/docbook/xsl-stylesheets-*
)
if (STYLESHEET_SUFFIX_ITER)
list (APPEND STYLESHEET_PATH_LIST ${STYLESHEET_SUFFIX_ITER})
endif ()
endforeach ()
find_path (DocBookXSL_DIR VERSION
PATHS ${CMAKE_SYSTEM_PREFIX_PATH}
PATH_SUFFIXES ${STYLESHEET_PATH_LIST}
)
endif ()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args (DocBookXSL
REQUIRED_VARS DocBookXSL_DIR
FOUND_VAR DocBookXSL_FOUND)
#maintain backwards compatibility
set(DOCBOOKXSL_FOUND ${DocBookXSL_FOUND})
set(DOCBOOKXSL_DIR ${DocBookXSL_DIR})
mark_as_advanced (DocBookXSL_DIR)
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