diff --git a/make/defs.mk b/make/defs.mk
index 2f12390b..741b4585 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -256,7 +256,8 @@ AR                    ?= ar
 endif
 
 # makefile helpers
-FIND_SUBDIRS           = $(filter-out . .. ./nomake ./CVS $(addprefix ./,$(IGNORE_SUBDIRS)), $(patsubst %/,%,$(dir $(shell find . -maxdepth 2 -mindepth 2 -iname Makefile))))
+FIND_SUBDIRS           = $(filter-out . .. nomake CVS $(IGNORE_SUBDIRS),\
+	$(patsubst ./%,%,$(patsubst %/,%,$(dir $(shell find . -maxdepth 2 -mindepth 2 -iname Makefile)))))
 SUBDIRS_TO_ITERATE     = $(filter-out $(IGNORE_SUBDIRS),$(SUBDIRS))
 
 # compiler and linker
@@ -273,6 +274,7 @@ ifneq ($(GCC_VERSION),4.1.0)
 ifneq ($(GCC_VERSION),4.5.1)
 BUILD_CFLAGS          += -std=gnu99
 BUILD_CPPFLAGS        += -std=c++11
+#BUILD_CPPFLAGS        += -Wsuggest-override
 endif
 endif