add configuration template system

test/Makefile

@@ -1,6 +1,10 @@
 CONFIG_SLAB_CANARY := true
 CONFIG_EXTENDED_SIZE_CLASSES := true
 
+ifneq ($(VARIANT),)
+    $(error testing non-default variants not yet supported)
+endif
+
 ifeq (,$(filter $(CONFIG_SLAB_CANARY),true false))
     $(error CONFIG_SLAB_CANARY must be true or false)
 endif

test/simple-memory-corruption/Makefile

@@ -13,7 +13,7 @@ CPPFLAGS += -D_GNU_SOURCE \
 
 LDLIBS := -lhardened_malloc
 
-LDFLAGS := -Wl,-L$(dir)../../,-R,$(dir)../../
+LDFLAGS := -Wl,-L$(dir)../../out,-R,$(dir)../../out
 
 EXECUTABLES := \
     double_free_large \