From: Timothy Hunter <TimHunter@...>
Date: 2007-04-09T08:10:09+09:00
Subject: Re: Hacking mkmf.rb

Timothy Hunter wrote:
> Second, mkmf.rb wants to put all its feature symbols 
> (-DHAVE_SOMETHING) on the gcc command line but RMagick may have 
> upwards of 100 such symbols and I'm afraid that that many will exceed 
> some system's limit on the maximum length of a command's arguments. 
> I'd rather put these symbols in a config.h file.
I've just found the create_header method in mkmf.rb. This looks like it 
does everything I need.