From: "Iñaki Baz Castillo" <ibc@...>
Date: 2012-05-08T02:53:02+09:00
Subject: Re: [C exten] mkmf: how to include .c and .h files within a subdirectory?

2012/5/7 Kubo Takehiro <kubo@jiubao.org>:
> On Mon, May 7, 2012 at 7:58 AM, Iñaki Baz Castillo <ibc@aliax.net> wrote:
>> Hi, having the following file tree under my ext/ directory:
>>
>> my_ext/
>>   extconf.rb
>>   my_ext.c
>>   utils/
>>      utils.c
>>      utils.h
>>
>> How to say in extconf.rb that files under utils/ subdirectory must
>> also be compiled?
>
> Though, IMO, there is no official way, here is a hack.
> ----------------------------------
> require 'mkmf'
>
> # set all object files to $objs before create_makefile.
> $objs = ["my_ext.o", "utils/utils.o"]
>
> create_makefile("my_ext")
>
> # to clean up object files under util subdirectory.
> open('Makefile', 'a') do |f|
>  f.write <<EOS
>
> CLEANOBJS := $(CLEANOBJS) utils/*.#{CONFIG["OBJEXT"]}
> EOS
> end
> ----------------------------------
>
> I have tested this with ruby 1.9.3p194 on linux.
> But it doesn't work for rubinius.


Thanks a lot. Very useful information.

-- 
Iñaki Baz Castillo
<ibc@aliax.net>