Blame cmake/FindDocBookXSL.cmake

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# Try to find DocBook XSL stylesheet
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# Once done, it will define:
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#
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# DOCBOOKXSL_FOUND - system has the required DocBook XML DTDs
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# DOCBOOKXSL_DIR - the directory containing the stylesheets
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# used to process DocBook XML
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# Copyright (c) 2010, Luigi Toscano, <luigi.toscano@tiscali.it>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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set (STYLESHEET_PATH_LIST
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    share/xml/docbook/stylesheet/docbook-xsl
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    share/xml/docbook/xsl-stylesheets
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    share/sgml/docbook/xsl-stylesheets
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    share/xml/docbook/stylesheet/nwalsh/current
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    share/xml/docbook/stylesheet/nwalsh
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    share/xsl/docbook
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    share/xsl/docbook-xsl
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)
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find_path (DOCBOOKXSL_DIR lib/lib.xsl
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   PATHS ${CMAKE_SYSTEM_PREFIX_PATH}
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   PATH_SUFFIXES ${STYLESHEET_PATH_LIST}
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)
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if (NOT DOCBOOKXSL_DIR)
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   # hacks for systems that put the version in the stylesheet dirs
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   set (STYLESHEET_PATH_LIST)
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   foreach (STYLESHEET_PREFIX_ITER ${CMAKE_SYSTEM_PREFIX_PATH})
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      file(GLOB STYLESHEET_SUFFIX_ITER RELATIVE ${STYLESHEET_PREFIX_ITER}
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           ${STYLESHEET_PREFIX_ITER}/share/xml/docbook/xsl-stylesheets-*
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      )
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      if (STYLESHEET_SUFFIX_ITER)
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         list (APPEND STYLESHEET_PATH_LIST ${STYLESHEET_SUFFIX_ITER})
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      endif ()
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   endforeach ()
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   find_path (DOCBOOKXSL_DIR VERSION
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      PATHS ${CMAKE_SYSTEM_PREFIX_PATH}
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      PATH_SUFFIXES ${STYLESHEET_PATH_LIST}
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   )
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endif (NOT DOCBOOKXSL_DIR)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args (DocBookXSL
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                                   "Could NOT find DocBook XSL stylesheets"
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                                   DOCBOOKXSL_DIR)
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mark_as_advanced (DOCBOOKXSL_DIR)