ALG:=serpent
CONFIG_YES:=$(CONFIG_IKE_ALG_SERPENT)
DIR_SERPENT:=$(LIBCRYPTO)/libserpent
ALG_DIRS-$(CONFIG_YES) := $(ALG_DIRS-$(CONFIG_YES)) $(DIR_SERPENT)
ALG_LIBS-$(CONFIG_YES) := $(ALG_LIBS-$(CONFIG_YES)) $(DIR_SERPENT)/libserpent.a
ALG_SRCS-$(CONFIG_YES) := $(ALG_SRCS-$(CONFIG_YES)) ike_alg_$(ALG).c
ALG_OBJS-$(CONFIG_YES) := $(ALG_OBJS-$(CONFIG_YES)) ike_alg_$(ALG).o

$(DIR_SERPENT)/libserpent.a:
	make -C $(DIR_SERPENT) CFLAGS="$(CFLAGS)" libserpent.a

ike_alg_$(ALG).o: ike_alg_$(ALG).c
	$(CC) -I $(LIBCRYPTO) -I$(DIR_SERPENT) $(COPTS) $(ALLFLAGS) -c $<