Re: [PATCH python-tests] gnu: python-2.7: Enable UCS-4 Unicode encoding.

[ludo@gnu.org (Ludovic Courtès)]

Marius Bakke <mbakke@fastmail.com> skribis:

> Danny Milosavljevic <dannym@scratchpost.org> writes:
>
>> * gnu/packages/python.scm (python-2.7)[arguments]: Modify.
>> ---
>>  gnu/packages/python.scm | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
>> index fd423d311..6caaeaaf8 100644
>> --- a/gnu/packages/python.scm
>> +++ b/gnu/packages/python.scm
>> @@ -170,6 +170,7 @@
>>         (list "--enable-shared"                    ;allow embedding
>>               "--with-system-ffi"                  ;build ctypes
>>               "--with-ensurepip=install"           ;install pip and setuptools
>> +             "--enable-unicode=ucs4"
>>               (string-append "LDFLAGS=-Wl,-rpath="
>>                              (assoc-ref %outputs "out") "/lib"))
>>  
>
> Hi Danny,
>
> Can you push this to 'core-updates' instead?
>
> It will cause a rebuild of more than 2000 packages on 'python-tests' and
> invalidate almost all substitutes, and I would like to merge it sooner
> rather than later.
>
> Otherwise LGTM. I checked some other distros and they seem to have this
> enabled. Thanks!

That means that strings are internally UCS-4-encoded, right?  What’s the
rationale, and what happens when this flag is omitted?

(I’m not objecting to the patch, just trying to educate myself.  :-))

Ludo’.