tde_import: Reducing the noise, more common listing of the result.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

modules/TDEMacros.cmake

@@ -872,19 +872,23 @@ endfunction( )
 
 
 macro( tde_import _library )
-  message( STATUS "checking for '${_library}'" )
-  string( TOUPPER "BUILD_${_library}" _build )
-  if( ${_build} )
-    message( STATUS "  ok, activated for build" )
-  else()
-    if( EXISTS "${TDE_CMAKE_DIR}/${_library}.cmake" )
-      include( "${TDE_CMAKE_DIR}/${_library}.cmake" )
-    elseif( EXISTS "${TQT_CMAKE_DIR}/${_library}.cmake" )
-      include( "${TQT_CMAKE_DIR}/${_library}.cmake" )
+  if( NOT DEFINED TDE_IMPORT_${_library} )
+    message( STATUS "Checking for '${_library}'" )
+    string( TOUPPER "BUILD_${_library}" _build )
+    if( ${_build} )
+      message( STATUS "Checking for '${_library}' - ok, activated for build" )
+      set( TDE_IMPORT_${_library} "build" CACHE INTERNAL "Library ${_library} activated for build" )
     else()
-      tde_message_fatal( "'${_library}' is required, but is not installed nor selected for build" )
+      if( EXISTS "${TDE_CMAKE_DIR}/${_library}.cmake" )
+        include( "${TDE_CMAKE_DIR}/${_library}.cmake" )
+      elseif( EXISTS "${TQT_CMAKE_DIR}/${_library}.cmake" )
+        include( "${TQT_CMAKE_DIR}/${_library}.cmake" )
+      else()
+        tde_message_fatal( "'${_library}' is required, but is not installed nor selected for build" )
+      endif()
+      message( STATUS "Checking for '${_library}' - ok, found import file" )
+      set( TDE_IMPORT_${_library} "import" CACHE INTERNAL "Library ${_library} imported" )
     endif()
-    message( STATUS "  ok, found import file" )
   endif()
 endmacro()