diff --git a/Makefile.base b/Makefile.base
index 5174119c09..6f6984153f 100644
--- a/Makefile.base
+++ b/Makefile.base
@@ -67,10 +67,12 @@ $(BINDIR)/$(MODULE)/:
 
 $(BINDIR)/$(MODULE).a $(OBJ): | $(BINDIR)/$(MODULE)/
 
+relpath = $(shell realpath --relative-to=$(abspath .) $(1))
+
 $(BINDIR)/$(MODULE).a: $(OBJ) | $(DIRS:%=ALL--%)
 	@# Recreate archive to cleanup deleted/non selected source files objects
 	$(Q)$(RM) $@
-	$(Q)$(AR) $(ARFLAGS) $@ $^
+	$(Q)$(AR) $(ARFLAGS) $(foreach f,$@ $^,$(call relpath,$f))
 
 CXXFLAGS = $(filter-out $(CXXUWFLAGS), $(CFLAGS)) $(CXXEXFLAGS)
 CCASFLAGS = $(filter-out $(CCASUWFLAGS), $(CFLAGS)) $(CCASEXFLAGS)
diff --git a/makefiles/cflags.inc.mk b/makefiles/cflags.inc.mk
index 4f1b163963..2f7cf22e95 100644
--- a/makefiles/cflags.inc.mk
+++ b/makefiles/cflags.inc.mk
@@ -65,5 +65,5 @@ CFLAGS += $(filter-out $(OPTIONAL_CFLAGS_BLACKLIST),$(OPTIONAL_CFLAGS))
 # Default ARFLAGS for platforms which do not specify it.
 # Note: make by default provides ARFLAGS=rv which we want to override
 ifeq ($(origin ARFLAGS),default)
-  ARFLAGS = rcs
+  ARFLAGS = rcTs
 endif