From: Eero Saynatkari <ruby-ml@...>
Date: 2005-11-08T15:21:59+09:00
Subject: Re: Possible Array#pack issue on OS X?

Eric Hodel wrote:
> On Nov 7, 2005, at 6:32 PM, Daniel Berger wrote:
> 
>> Jeremy Kemper wrote:
>>
>>> On Nov 7, 2005, at 5:57 PM, Daniel Berger wrote:
>>>
>>>> [0x31].pack("v")
>>>
>>>
>>> ruby 1.8.2 (2004-12-25) [powerpc-darwin8.2.0]
>>>
>>> irb(main):001:0> [0x31].pack("v")
>>> => "1\000"
>>>
>>> jeremy
>>
>>
>> One email I've received says this:
>>
>> TiBook-5:~ xdefrang$ uname -a
>> Darwin TiBook-5.local 8.3.0 Darwin Kernel Version 8.3.0: Mon Oct  3
>> 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC Power Macintosh
>> powerpc
>>
>> result: "\0001"
>>
>> So, I'm quite confused.
> 
> 
> I cane get you both on the same machine:
> 
> $ uname -a
> Darwin kaa.jijo.segment7.net 8.3.0 Darwin Kernel Version 8.3.0: Mon  
> Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC Power  
> Macintosh powerpc
> $ ruby168 -ve 'p [0x31].pack("v")'
> ruby 1.6.8 (2002-12-24) [powerpc-darwin8.2.0]
> "1\000"
> 
> I built this Ruby by hand.
> 
> $ ruby182-orig -ve 'p [0x31].pack("v")'
> ruby 1.8.2 (2004-12-25) [powerpc-darwin8.0]
> "\0001"
> 
> This one came with Tiger, and I didn't install that gem patch.
> 
> $ ruby183 -ve 'p [0x31].pack("v")'
> ruby 1.8.3 (2005-09-21) [powerpc-darwin8.2.0]
> "1\000"
> 
> I built this Ruby by hand too.
> 
> I wonder if this has anything to do with it:
> 
> $ ruby182-orig -v -rrbconfig -e 'p Config::CONFIG["CFLAGS"]'
> ruby 1.8.2 (2004-12-25) [powerpc-darwin8.0]
> "-arch i386 -arch ppc -g -Os -pipe -fno-common -arch i386 -arch ppc - 
> pipe -pipe -fno-common"
> $ ruby183 -v -rrbconfig -e 'p Config::CONFIG["CFLAGS"]'
> ruby 1.8.3 (2005-09-21) [powerpc-darwin8.2.0]
> "-g -O2 -pipe -fno-common"
> 
> Does cross-compilation affect the endianness of ruby?

I would venture 'yes' if you are in fact cross-compiling it
on a different platform.

E