New Configure option no-<cipher> (rsa, idea, rc5, ...).
diff --git a/crypto/bf/bftest.c b/crypto/bf/bftest.c
index 091c808..80182c0 100644
--- a/crypto/bf/bftest.c
+++ b/crypto/bf/bftest.c
@@ -62,6 +62,14 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+
+#ifdef NO_BF
+int main(int argc, char *argv[])
+{
+    printf("No BF support\n");
+    return(0);
+}
+#else
 #include <openssl/blowfish.h>
 
 char *bf_key[2]={
@@ -511,3 +519,4 @@
 
 	return(err);
 	}
+#endif