Merge pull request #88025 from shana/fix-incremental-builds

SCons: Fix incremental builds breaking when querying the dependency tree from a SCsub

SConstruct

@@ -152,7 +152,7 @@ env_base["x86_libtheora_opt_gcc"] = False
 env_base["x86_libtheora_opt_vc"] = False
 
 # avoid issues when building with different versions of python out of the same directory
-env_base.SConsignFile(".sconsign{0}.dblite".format(pickle.HIGHEST_PROTOCOL))
+env_base.SConsignFile(File("#.sconsign{0}.dblite".format(pickle.HIGHEST_PROTOCOL)).abspath)
 
 # Build options