+LIBS = $(LIB_FILE)
+LIBS += -lz
+
+ifdef MOZILLA_SHA1
+ SHA1_HEADER="mozilla-sha1/sha1.h"
+ LIB_OBJS += mozilla-sha1/sha1.o
+else
+ifdef PPC_SHA1
+ SHA1_HEADER="ppc/sha1.h"
+ LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
+else
+ SHA1_HEADER=<openssl/sha.h>
+ LIBS += -lssl
+endif
+endif
+
+CFLAGS += '-DSHA1_HEADER=$(SHA1_HEADER)'
+