Re: hppa nptl switch
On Tue, Sep 1, 2009 at 2:08 AM, Aurelien Jarno<email@example.com> wrote:
> Frans Pop a écrit :
>> Carlos O'Donell wrote:
>>>> In practice it shouldn't be problem at all.
>>>> Debian should make sure that binary/library compiled
>>>> against NPTL-hppa-glibc will require NPTL-hppa-glibc
>>>> by proper Depends: line like "libc6 (>= 2.10)".
>>> Does every package have to do this? I'm not very familiar with all the
>>> packaging requirements.
>> It is something that should automatically get done correctly as long as
>> the libc-dev package defines the minimum version that way.
>> The mechanism that determines this is in /var/lib/dpkg/info/libc6.shlibs.
>> Currently this has lines like:
>> libc 6 libc6 (>= 2.9)
> No, as glibc uses symbols files, this file is actually not used.
> Nevertheless it is still possible to resolve all symbols to libc6 (>= 2.10).
Once an application is rebuilt against a new libc, what prevents the
user from downgrading libc and breaking the application?