From: Eric Wong <normalperson@...>
Date: 2016-08-01T20:27:10+00:00
Subject: [ruby-core:76647] Re: [Ruby trunk Bug#12645] ext/socket fails to link on some Solaris 10 versions

john@johnkeiser.com wrote:
> The socket extension in core Ruby does not link due to a
> missing `inet_ntop`, which was added during the Solaris 10
> series (10u7, I believe).
> 
> This patch gets it compiling again by creating a static
> inet_ntop (same as in getaddrbyname.c) on systems that do not
> have it. This definitely happens on 2.3.1 and definitely does
> not happen on 2.1.9. Not sure about 2.2.

That suggests we have a bug in the build system about detecting
and setting the correct flags for linkage and headers.

It's been many years since I touched Solaris, but I'm fairly
sure the function existed in 8, even if it's a different
signature as gnulib docs indicates:

https://bogomips.org/mirrors/gnulib.git/plain/doc/posix-functions/inet_ntop.texi

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