OPTIMIZATION += $(call check_gcc,-Os,-O2)
endif
-XWARNINGS = $(subst ",, $(strip $(WARNINGS))) -Wstrict-prototypes
-XARCH_CFLAGS = $(subst ",, $(strip $(ARCH_CFLAGS)))
-CFLAGS = $(XWARNINGS) $(OPTIMIZATION) $(XARCH_CFLAGS) -D_GNU_SOURCE
-HOST_CFLAGS += $(XWARNINGS) $(OPTIMIZATION) -D_GNU_SOURCE
+XWARNINGS := $(subst ",, $(strip $(WARNINGS))) -Wstrict-prototypes
+XARCH_CFLAGS := $(subst ",, $(strip $(ARCH_CFLAGS)))
+XCOMMON_CFLAGS := -D_GNU_SOURCE -I$(top_builddir)test
+CFLAGS := $(XWARNINGS) $(OPTIMIZATION) $(XCOMMON_CFLAGS) $(XARCH_CFLAGS)
+HOST_CFLAGS += $(XWARNINGS) $(OPTIMIZATION) $(XCOMMON_CFLAGS)
ifeq ($(DODEBUG),y)
CFLAGS += -g