[zeromq-dev] patch for aix support

[Pavol Malosek]

Hello George

Thanks for the patch, I have commited it into the trunk (rev. 747), can you 
please give it a try?

> I probably need to spend some more time on the configure.in ... what
> is your preference on compiler usage eg. should it look for a native
> compiler first, then use gnu?   Or is it acceptable to have the user
> override to a native compiler with environment variables?

Setting proper CC and CXX env. variables is perfectly ok for us.

> Also, on
> the AIX platform, one can build either 32 or 64 bit binaries/libs ..
> is there a specific way you guys want this done?

If it is possible 64bit versions should be build.
Maybe some environment variable AIX_32 can be taken into
the account for forcing to build 32bits bins & libs?

malo