$(BUILD)/ec_curve25519.o: src/ec/ec_curve25519.c $(HEADERS)
$(CC) $(CFLAGS) -c -o $(BUILD)/ec_curve25519.o src/ec/ec_curve25519.c
$(BUILD)/ec_p256_m15.o: src/ec/ec_p256_m15.c $(HEADERS)
$(CC) $(CFLAGS) -c -o $(BUILD)/ec_p256_m15.o src/ec/ec_p256_m15.c
$(BUILD)/ec_curve25519.o: src/ec/ec_curve25519.c $(HEADERS)
$(CC) $(CFLAGS) -c -o $(BUILD)/ec_curve25519.o src/ec/ec_curve25519.c
$(BUILD)/ec_p256_m15.o: src/ec/ec_p256_m15.c $(HEADERS)
$(CC) $(CFLAGS) -c -o $(BUILD)/ec_p256_m15.o src/ec/ec_p256_m15.c