AR = $(CROSS_COMPILE)ar
RANLIB = $(CROSS_COMPILE)ranlib
-CFLAGS = -g -Wall -pipe -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
+CFLAGS += -g -Wall -pipe -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
WARNINGS = -Wstrict-prototypes -Wsign-compare -Wshadow \
-Wchar-subscripts -Wmissing-declarations -Wnested-externs \
-Wpointer-arith -Wcast-align -Wsign-compare -Wmissing-prototypes
CFLAGS += $(WARNINGS)
-LDFLAGS = -Wl,-warn-common
+LDFLAGS += -Wl,-warn-common
OPTFLAGS = -Os
CFLAGS += $(OPTFLAGS)