As part of the Web Stack initiative, We are adding a binary distribution of  Squid to Solaris, and would like to know the communities opinion on the compilation options used by a majority of users.
We have put together a comparison of compilation options in different binary distributions of squid here. There is also a Poll underway here to collect this information. If you are a user of Squid and Open Solaris, and you have a preference for the options to be used, Please come over and vote.