build: declare some CMake variables as advanced

Type: make
Change-Id: I780c1c81a50cb92bc89c05856efd8ef88479c0ab
Signed-off-by: Damjan Marion <damarion@cisco.com>

src/cmake/library.cmake

@@ -136,3 +136,12 @@ macro(add_vpp_test_library lib)
     #  )
   endforeach()
 endmacro()
+
+macro(vpp_find_library var)
+  find_library(${var} ${ARGN})
+  mark_as_advanced(${var})
+endmacro()
+macro(vpp_find_path var)
+  find_path(${var} ${ARGN})
+  mark_as_advanced(${var})
+endmacro()

src/cmake/plugin.cmake

@@ -115,6 +115,7 @@ endmacro()
 
 macro(vpp_plugin_find_library plugin var name)
   find_library(${var} NAMES ${name} ${ARGN})
+  mark_as_advanced(${var})
 if (NOT ${var})
   message(WARNING "-- ${name} library not found - ${plugin} plugin disabled")
   return()