Allow the build to succeed even if <productname>PostgreSQL</>
has no support for strong random numbers on the platform.
A source of random numbers is needed for some authentication
- protocols, as well as some routines in <xref linkend="pgcrypto">
+ protocols, as well as some routines in the
+ <![%standalone-include[pgcrypto]]>
+ <![%standalone-ignore[<xref linkend="pgcrypto">]]>
module. --disable-strong-random disables functionality that
requires cryptographically strong random numbers, and substitutes
a weak pseudo-random-number-generator for the generation of