add a cmake module for finding the epub library

svn path=/trunk/playground/graphics/okular/epub/; revision=774654

cmake/FindEPub.cmake

@@ -0,0 +1,35 @@
+# - Find EPub
+# Find the EPub library.
+#
+# This module defines
+#  EPUB_FOUND - whether the EPub library was found
+#  EPUB_LIBRARIES - the EPub library
+#  EPUB_INCLUDE_DIR - the include path of the EPub library
+
+# Copyright (c) 2008, Pino Toscano, <pino@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+if (EPUB_INCLUDE_DIR AND EPUB_LIBRARIES)
+
+  # Already in cache
+  set (EPUB_FOUND TRUE)
+
+else (EPUB_INCLUDE_DIR AND EPUB_LIBRARIES)
+
+  find_library (EPUB_LIBRARIES
+    NAMES epub
+  )
+
+  find_path (EPUB_INCLUDE_DIR
+    NAMES epub.h
+  )
+
+  include (FindPackageHandleStandardArgs)
+  find_package_handle_standard_args (EPub DEFAULT_MSG EPUB_LIBRARIES EPUB_INCLUDE_DIR)
+
+endif (EPUB_INCLUDE_DIR AND EPUB_LIBRARIES)
+
+mark_as_advanced(EPUB_INCLUDE_DIR EPUB_LIBRARIES)