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# Try to find DocBook XML DTDs
# Once done, it will define:
#
# DocBookXML_FOUND - system has the required DocBook XML DTDs
# DocBookXML_CURRENTDTD_VERSION - the version of currently used DocBook XML
# DTD
# DocBookXML_CURRENTDTD_DIR - the directory containing the definition of
# the currently used DocBook XML version
# Copyright (c) 2010, Luigi Toscano, <luigi.toscano@tiscali.it>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
set (DocBookXML_CURRENTDTD_VERSION "4.2"
CACHE INTERNAL "Required version of XML DTDs")
set (DTD_PATH_LIST
share/xml/docbook/schema/dtd/${DocBookXML_CURRENTDTD_VERSION}
share/xml/docbook/xml-dtd-${DocBookXML_CURRENTDTD_VERSION}
share/sgml/docbook/xml-dtd-${DocBookXML_CURRENTDTD_VERSION}
share/xml/docbook/${DocBookXML_CURRENTDTD_VERSION}
)
find_path (DocBookXML_CURRENTDTD_DIR docbookx.dtd
PATHS ${CMAKE_SYSTEM_PREFIX_PATH}
PATH_SUFFIXES ${DTD_PATH_LIST}
)
if (NOT DocBookXML_CURRENTDTD_DIR)
# hacks for systems that use the package version in the DTD dirs,
# e.g. Fedora, OpenSolaris
set (DTD_PATH_LIST)
foreach (DTD_PREFIX_ITER ${CMAKE_SYSTEM_PREFIX_PATH})
file(GLOB DTD_SUFFIX_ITER RELATIVE ${DTD_PREFIX_ITER}
${DTD_PREFIX_ITER}/share/sgml/docbook/xml-dtd-${DocBookXML_CURRENTDTD_VERSION}-*
)
if (DTD_SUFFIX_ITER)
list (APPEND DTD_PATH_LIST ${DTD_SUFFIX_ITER})
endif ()
endforeach ()
find_path (DocBookXML_CURRENTDTD_DIR docbookx.dtd
PATHS ${CMAKE_SYSTEM_PREFIX_PATH}
PATH_SUFFIXES ${DTD_PATH_LIST}
)
endif ()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args (DocBookXML
"Could NOT find DocBook XML DTDs (v${DocBookXML_CURRENTDTD_VERSION})"
DocBookXML_CURRENTDTD_DIR DocBookXML_CURRENTDTD_VERSION)
mark_as_advanced (DocBookXML_CURRENTDTD_DIR DocBookXML_CURRENTDTD_VERSION)
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