Latest update.

include/openssl/lhash.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -210,6 +210,31 @@ DEFINE_LHASH_OF(OPENSSL_CSTRING);
 #  pragma warning (pop)
 # endif
 
+/*
+ * If called without higher optimization (min. -xO3) the Oracle Developer
+ * Studio compiler generates code for the defined (static inline) functions
+ * above.
+ * This would later lead to the linker complaining about missing symbols when
+ * this header file is included but the resulting object is not linked against
+ * the Crypto library (openssl#6912).
+ */
+# ifdef __SUNPRO_C
+#  pragma weak OPENSSL_LH_new
+#  pragma weak OPENSSL_LH_free
+#  pragma weak OPENSSL_LH_insert
+#  pragma weak OPENSSL_LH_delete
+#  pragma weak OPENSSL_LH_retrieve
+#  pragma weak OPENSSL_LH_error
+#  pragma weak OPENSSL_LH_num_items
+#  pragma weak OPENSSL_LH_node_stats_bio
+#  pragma weak OPENSSL_LH_node_usage_stats_bio
+#  pragma weak OPENSSL_LH_stats_bio
+#  pragma weak OPENSSL_LH_get_down_load
+#  pragma weak OPENSSL_LH_set_down_load
+#  pragma weak OPENSSL_LH_doall
+#  pragma weak OPENSSL_LH_doall_arg
+# endif /* __SUNPRO_C */
+
 #ifdef  __cplusplus
 }
 #endif