From: Ryan Davis <ryand-ruby@...>
Date: 2011-03-26T03:44:15+09:00
Subject: Re: mkmf have_func usage



On Mar 25, 2011, at 8:19, Iain Barnett <iainspeed@gmail.com> wrote:

> conftest.c: In function ‘t’:
> conftest.c:7: error: too few arguments to function ‘libiconv_open’
> checked program was:
> /* begin */
> 1: #include "ruby.h"
> 2: 
> 3: #include </Library/Frameworks/Libiconv.framework/Versions/1.13.1/include/iconv.h>
> 4: 
> 5: /*top*/
> 6: int main() {return 0;}
> 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.