From: Alex Young <alex@...>
Date: 2007-06-23T19:02:23+09:00
Subject: Re: Looking for minimalist ruby.

M. Edward (Ed) Borasky wrote:
> Andrew Thompson wrote:
>> Alex Young wrote:
>>> I get this:
>>>
>>> gcc -Os -fomit-frame-pointer  -DRUBY_EXPORT   -rdynamic
>>> -Wl,-export-dynamic -L.   main.o  libruby-static.a -ldl -lcrypt -lm   -o
>>> miniruby
>>> ./lib/fileutils.rb:1206: [BUG] Segmentation fault
>>> ruby 1.8.6 (2007-03-13) [i686-linux]
>>>
>>> make: *** [.rbconfig.time] Aborted
>>>
>>> when I use those options.
>> I think ruby *really* doesn't like to be built with optimizations. I 
>> believe the garbage collector in particular has problems with it.
>>
>> Andrew
>>
>>
> 
> This combination just compiled successfully on my Gentoo box:
> 
> 
> znmeb@DreamGate ~/ruby-test/ruby-1.8.6-p36 $ set|grep CFLAGS
> CFLAGS='-Os -march=athlon-tbird -fomit-frame-pointer'
> znmeb@DreamGate ~/ruby-test/ruby-1.8.6-p36 $ gcc --version
> gcc (GCC) 4.1.2 (Gentoo 4.1.2)
> Copyright (C) 2006 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> Ruby 1.8.6-p36, gcc 4.1.2 and CFLAGS='-Os -march=athlon-tbird
> -fomit-frame-pointer'
> 
> I doubt if the Athlon TBird piece is why mine worked and yours didn't.
> 
Me too.  Mine's an Ubuntu Dapper install on a P4, gcc version 4.0.3 
(Ubuntu 4.0.3-1ubuntu5).

Out of interest, what executable size do you get with that, before and 
after stripping?

-- 
Alex