COMP: otbParserX : headers inclusion directives missing

CMake/FindMuParserX.cmake

 # - Find MuParserX
 # Find the native MuParser includes and library
 #
-#   MUPARSER_FOUND       - True if MuParser found.
-#   MUPARSER_INCLUDE_DIR - where to find tinyxml.h, etc.
-#   MUPARSER_LIBRARIES   - List of libraries when using MuParser.
+#   MUPARSERX_FOUND       - True if MuParser found.
+#   MUPARSERX_INCLUDE_DIR - where to find tinyxml.h, etc.
+#   MUPARSERX_LIBRARIES   - List of libraries when using MuParser.
 #
 
 if( MUPARSERX_INCLUDE_DIR )
@@ -18,7 +18,7 @@ find_library( MUPARSERX_LIBRARIES
               NAMES muparserx
               PATH_SUFFIXES muparserx )
 
-# handle the QUIETLY and REQUIRED arguments and set MUPARSER_FOUND to TRUE if
+# handle the QUIETLY and REQUIRED arguments and set MUPARSERX_FOUND to TRUE if
 # all listed variables are TRUE
 include( FindPackageHandleStandardArgs )
 FIND_PACKAGE_HANDLE_STANDARD_ARGS( MuParserX DEFAULT_MSG MUPARSERX_LIBRARIES MUPARSERX_INCLUDE_DIR )

CMake/otbIncludeDirectories.cmake

@@ -301,6 +301,15 @@ else()
                 Utilities/otbmuparser)
 endif()
 
+#For MuParserX header file
+if(OTB_USE_EXTERNAL_MUPARSERX)
+        set(OTB_INCLUDE_ABSOLUE_DIRS ${OTB_INCLUDE_ABSOLUE_DIRS}
+                ${MUPARSERX_INCLUDE_DIR})
+else()
+        set(OTB_INCLUDE_RELATIVE_DIRS ${OTB_INCLUDE_RELATIVE_DIRS}
+                Utilities/otbmuparserx)
+endif()
+
 #For LibKML header file
 if(OTB_USE_EXTERNAL_LIBKML)
         set(OTB_INCLUDE_ABSOLUE_DIRS ${OTB_INCLUDE_ABSOLUE_DIRS}