--- include/schily/sha2.h.orig	2010-08-27 10:41:30.000000000 +0000
+++ include/schily/sha2.h	2017-09-02 03:02:37.000000000 +0000
@@ -104,10 +104,12 @@
 
 #ifdef	HAVE_LONGLONG
 extern void SHA384Init		__PR((SHA2_CTX *));
+#ifndef HAVE_PRAGMA_WEAK
 extern void SHA384Transform	__PR((UInt64_t state[8],
 					const UInt8_t [SHA384_BLOCK_LENGTH]));
 extern void SHA384Update	__PR((SHA2_CTX *, const UInt8_t *, size_t));
 extern void SHA384Pad		__PR((SHA2_CTX *));
+#endif
 extern void SHA384Final		__PR((UInt8_t [SHA384_DIGEST_LENGTH],
 					SHA2_CTX *));
 extern char *SHA384End		__PR((SHA2_CTX *, char *));