1 files changed, 59 insertions, 0 deletions
diff --git a/find-modules/FindDocBookXML.cmake b/find-modules/FindDocBookXML.cmake
new file mode 100644
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--- /dev/null
+++ b/find-modules/FindDocBookXML.cmake
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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)
+
+#maintain backwards compatibility
+set(DOCBOOKXML_FOUND ${DocBookXML_FOUND})
+set(DOCBOOKXML_CURRENTDTD_DIR ${DocBookXML_CURRENTDTD_DIR})
+set(DOCBOOKXML_CURRENTDTD_VERSION ${DocBookXML_CURRENTDTD_VERSION})
+
+mark_as_advanced (DocBookXML_CURRENTDTD_DIR DocBookXML_CURRENTDTD_VERSION)