--- a/include/schily/sha2.h  2016-06-05 00:48:16.547308184 -0500
+++ b/include/schily/sha2.h  2016-06-05 00:49:29.304314626 -0500
@@ -104,10 +104,14 @@
 
 #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 *));