From: Wim Vander Schelden <wim.vanderschelden@...>
Date: 2006-12-29T07:39:45+09:00
Subject: Re: Ruby extension issue

Eric Hodel wrote:
> On Dec 28, 2006, at 13:45, Wim Vander Schelden wrote:
>
>> I was able to fix the problem by changing my extconf.rb to:
>>
>>    require 'mkmf'
>>
>>    dir_config('gamer')
>>    have_library("SDL", "SDL_Init")
>>    have_header("SDL/SDL.h")
>>    pkg_config("sdl")
>>    create_makefile('gamer')
>>
>> However, I don't know *WHY* it works. The pkg_config seems to be the 
>> crucial line.
>> I just went through other people's extconf.rb files and guessed the 
>> "sdl" value.
>> Any help would be appreciated, since there seems to be no 
>> documentation about
>> pkg_config...
>
> $ ruby extconf.rb
> checking for SDL_Init() in -lSDL... no
> checking for SDL/SDL.h... no
> creating Makefile
> $
>
> You should never call create_makefile makefile when required libraries 
> and headers can't be found.
>
> --Eric Hodel - drbrain@segment7.net - http://blog.segment7.net
>
> I LIT YOUR GEM ON FIRE!
>
>
>
Ok thanks :) Could you also explain what these methods do exactly?

Wim

-- 
Wim Vander Schelden
Bachelor Computer Science, University Ghent

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