Re: [PATCH 03/14] relocatable: support UNIXROOT in relocate() on EMX

[KO Myung-Hun]

Ben Pfaff wrote:
> On Tue, Dec 09, 2014 at 02:51:51PM +0900, KO Myung-Hun wrote:
>> Ben Pfaff wrote:
>>> On Tue, Dec 09, 2014 at 10:40:48AM +0900, KO Myung-Hun wrote:
>>>> UNIXROOT is used to specify a drive of a root of FHS. So if a path is
>>>> started with '/', then it should be translated to "$UNIXROOT/".
>>>>
>>>> * lib/relocatable.c (relocate): Prepend $UNIXROOT to pathname if it is
>>>> started with '/' on EMX.
>>>
>>> As one of the maintainers of the relocatable modules, the code in this
>>> patch seems reasonable to me.  I don't know enough about OS/2 or EMX to
>>> know whether $UNIXROOT is a customary variable or whether this is a
>>> correct context for using it.  Can you assure me that you've thought
>>> about those?
>>
>> OS/2 file system is based on drives[A-Z]. '/' means a root of a current
>> drive. There are maximum 26 kinds of '/'.
>>
>> For examples, consider that xxx is installed into f:/usr/bin. If
>> executing xxx on drive e:, '/' of xxx is e:/ not f:/. In this case, xxx
>> fails to find its root.
>>
>> $UNIXROOT is used to overcome this problem. On OS/2, $UNIXROOT is used
>> to specify a drive of '/'. And all programs following FHS are installed
>> on a drive specified by $UNIXROOT. In the above, if UNIXROOT is set to
>> 'f:'. Then '/' is translated to 'f:/' as xxx expects.
>>
>> And see <http://trac.netlabs.org/libc/wiki/UnixPenthouseApartement>.
>>
>> Still not assured ?
> 
> Thank you for explaining.
> 
> I applied this to the gnulib repository.
> 

Thanks a lot for applying promptly.

-- 
KO Myung-Hun

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