From: Albert Schlef <albertschlef@...>
Date: 2011-03-28T08:21:33+09:00
Subject: Re: mkmf have_func usage

Ryan Davis wrote in post #989277:
> On Mar 25, 2011, at 8:19, Iain Barnett <iainspeed@gmail.com> wrote:
>
>> 7: int t() { iconv_open(); return 0; }
>> /* end */
>
> The error is here and is pretty clear whether it were C or ruby. It
> failed because it wasn't called with the right number of args.

That's not a very good answer. have_func() is supposed to tell you if a 
function exists; so it tries to link to that function. It can't pass 
args to the function because it doesn't have any knowledge about the 
function. The question is why "mkmf" fails to do this. I know that in C 
you don't have to specify correct (or any) arguments to a function (In 
C++ it's different).

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