About ANSI C compiler
---------------------
- An ANSI C compiled is needed among other things. This means that VAX C
- is not and will not be supported.
+ An ANSI C compiled is needed among other things. This means that
+ VAX C is not and will not be supported.
- We have only tested with DEC C (a.k.a HP VMS C / VSI C), compiling with
- a different ANSI C compiler may require some work.
+ We have only tested with DEC C (a.k.a HP VMS C / VSI C) and require
+ version 7.1 or later. Compiling with a different ANSI C compiler may
+ require some work.
+
+ Please avoid using C RTL feature logical names DECC$* when building
+ and testing OpenSSL. Most of all, they can be disruptive when
+ running the tests, as they affect the Perl interpreter.
About MMS and DCL