From: Eric Hodel <drbrain@...7.net>
Date: 2007-10-15T09:31:26+09:00
Subject: Re: Which OS X Tiger PPC C compiler is best to use for Ruby?

On Oct 14, 2007, at 16:40 , Mike Stok wrote:
> I have recently started picking up Ruby again on my OSX PowerPC  
> system.  I use MacPorts to build stuff like PostgreSQL and other  
> "system" components, and then like to build different versions of  
> Ruby under /usr/local/ruby-1.8.6-p111/... so that I can have  
> multiple versions.
>
> I had been using Apple's 4.0 gcc and getting occasional errors with  
> rdoc documentation installs terminating my build.  It seems that if  
> I do a gcc_select 3.3 before the build then everything proceeds  
> just fine to completion with  no problems.  This might explain some  
> of the comments like "Some readers also report seeing an RDoc  
> failure error. This one is actually nothing to worry about. Just re- 
> run the original command above, or don’t. Things should be fine  
> either way (really)." on http://hivelogic.com/narrative/articles/ 
> ruby_rails_lighttpd_mysql_tiger?status=301
>
> I have had a quick look around using common search engines, and I  
> haven't seen any list of recommended or known bad combinations of  
> gcc and ruby on OSX.  Does such a list exist?  Should I invest the  
> time in compiling MacPorts' gcc42?
>
> I realise that this may become moot when Leopard ships (and mabe if  
> I'm allowed to buy a spiffy new Intel based Mac.)

You just need to rebuild your ruby.  There's a bug with -fschedule- 
insns2, which is included with -O2.  I don't know where the bug lies,  
though.

CFLAGS=-fno-schedule-insns2 ./configure
make clean && make && sudo make install

--
Poor workers blame their tools. Good workers build better tools. The
best workers get their tools to do the work for them. -- Syndicate Wars