Squashed 'tools/' changes from 3e8a2cb..dacf7e0

dacf7e0 Merge commit '94626228c9cbd85f12b4bd940d0c558aabdd1705'
9462622 Squashed 'libmakefile/' changes from 23f6a23..7bf892c

git-subtree-dir: tools
git-subtree-split: dacf7e0175d9cc8e5ce609b7f9bf16f3c16fe993

libmakefile/Makefile.lib

@@ -44,6 +44,7 @@
 #   20180228 - rename distdir to dist.dir
 #   20180718 - fix @.cmd
 #   20180723 - use file_cflags-y if exists
+#   20180807 - fix circular dependency with complex makefile setup
 
 #
 # Example
@@ -704,7 +705,7 @@ define target-defaults_base
     $($1_objects_m):   .$1/%.o: .$1/%.d $(MAKEFILE_LIST)
     $($1_objects_e):   $(MAKEFILE_LIST)
 
-    $(target-depends): $(filter-out $($1_depends), $($1_depends-y))
+    $(target-depends): $(filter-out $(target-builds) $($1_depends), $($1_depends-y))
 
     $1: .$1/$1 $(MAKEFILE_LIST)
 	$(do_cp)