Document limits on static and dynamic linking for HPE NonStop platforms.
Documentation is necessary as static and dynamic linking cause SIGSEGV
during atexit() processing on the platform.
Fixes: 19951
@@ -44,6 +44,20 @@ instead of `nsx` in the set above.
You cannot build for TNS/E for FIPS, so you must specify the `no-fips`
option to `./Configure`.
+Linking and Loading Considerations
+----------------------------------
+
+Because of how the NonStop Common Runtime Environment (CRE) works, there are
+restrictions on how programs can link and load with OpenSSL libraries.
+On current NonStop platforms, programs cannot both statically link OpenSSL
+libraries and dynamically load OpenSSL shared libraries concurrently. If this
+is done, there is a high probability of encountering a SIGSEGV condition
+relating to `atexit()` processing when a shared library is unloaded and when
+the program terminates. This limitation applies to all OpenSSL shared library
+components.
+
+A resolution to this situation is under investigation.
+
About Prefix and OpenSSLDir
---------------------------
