CFLAGS += -std=gnu99 -Wall -Wextra
CFLAGS += -g
CFLAGS += -I.
+CFLAGS += -D_BSD_SOURCE
+CFLAGS += -D_DEFAULT_SOURCE
CFLAGS += -D_XOPEN_SOURCE=600
CFLAGS += $(WERROR_FLAGS)
+LDLIBS += -libverbs
# A few warnings cannot be avoided in external headers.
CFLAGS += -Wno-error=cast-qual