README now makes clear that our support for solaris derived systems is "best effort".

README

@@ -7,6 +7,13 @@ documentation at http://redis.io
 Building Redis
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+Redis can be compiled and used on Linux, OSX, OpenBSD, NetBSD, FreeBSD.
+We support big endian and little endian architectures.
+
+It may compile on Solaris derived systems (for instance SmartOS) but our
+support for this platform is "best effort" and Redis is not guaranteed to
+work as well as in Linux, OSX, and *BSD there.
+
 It is as simple as:
 
     % make