Re: [PATCH] build-many-glibcs.py: Add x86_64-linux-gnu-minimal configuration

[Florian Weimer via Libc-alpha <libc-alpha@sourceware.org>]

* Siddhesh Poyarekar:

> On 7/23/21 2:56 PM, Florian Weimer via Libc-alpha wrote:
>> This configuration exercises various --disable-* configure options.
>> It is expected to catch -Werror failures that only affect these
>> configurations.
>> ---
>>   scripts/build-many-glibcs.py | 9 +++++++++
>>   1 file changed, 9 insertions(+)
>> diff --git a/scripts/build-many-glibcs.py
>> b/scripts/build-many-glibcs.py
>> index 6643bb6e92..6539ab76cb 100755
>> --- a/scripts/build-many-glibcs.py
>> +++ b/scripts/build-many-glibcs.py
>> @@ -425,6 +425,15 @@ class Context(object):
>>                                   {'arch': 'i686', 'ccopts': '-m32 -march=i686'}],
>>                           extra_glibcs=[{'variant': 'disable-multi-arch',
>>                                          'cfg': ['--disable-multi-arch']},
>> +                                      {'variant': 'minimal',
>> +                                       'cfg': ['--disable-multi-arch',
>> +                                               '--disable-profile',
>> +                                               '--disable-timezone-tools',
>> +                                               '--disable-mathvec',
>> +                                               '--enable-tunables=no',
>
> There is a --disable-tunables too which works the same and looks
> prettier in that context ;)

It's not documented, but I can use it still.

>> +                                               '--disable-crypt',
>> +                                               '--disable-build-nscd',
>> +                                               '--disable-nscd']},
>
> The INSTALL lists --disable-scv and --disable-experimental-malloc
> too. As an aside, maybe we should graduate tcache from being
> 'experimental' to being more permanent in 2.35 and then make this
> option nop.

--disable-scv isn't about minimization.  I forgot that
--disable-experimental-malloc controls tcache.

I'm going to send an updated patch.

Thanks,
Florian