ENH: support building application externally, based on an install tree (build...

ENH: support building application externally, based on an install tree (build tree not supported yet)

CMake/OTBWrapperMacros.cmake

-include(OTBParseArguments)
+
+# When used externally, OTBParseArguments is included explicitely in UseOTB.cmake
+# Otherwise, let's include it here
+if (NOT COMMAND OTB_PARSE_ARGUMENTS)
+  include(OTBParseArguments)
+endif()
 
 macro(OTB_CREATE_APPLICATION)
   OTB_PARSE_ARGUMENTS(

CMake/UseOTB.cmake.in

@@ -266,3 +266,7 @@ IF(OTB_USE_PQXX)
         INCLUDE_DIRECTORIES(${PQXX_INCLUDE_DIR})
         
 ENDIF(OTB_USE_PQXX)
+
+INCLUDE(${OTB_LIBRARY_DIRS}/OTBParseArguments.cmake)
+INCLUDE(${OTB_LIBRARY_DIRS}/OTBWrapperMacros.cmake)
+