IPO is set to FALSE if NVHPC < 23.11

Author: okBrian

CMakeLists.txt

@@ -217,6 +217,8 @@ if (CMAKE_BUILD_TYPE STREQUAL "Release")
     if (CMAKE_Fortran_COMPILER_ID STREQUAL "NVHPC")
         if (MFC_Unified)
             message(STATUS "IPO is not available with NVHPC using Unified Memory")
+        elseif(CMAKE_Fortran_COMPILER_VERSION VERSION_LESS "23.11")
+            message(STATUS "IPO is not supported in NVHPC Version < 23.11")
         else()
             message(STATUS "Performing IPO using -Mextract followed by -Minline")
             set(NVHPC_USE_TWO_PASS_IPO TRUE)