Public SourceMage Discussion List

[Ladislav Hagara <ladislav.hagara AT unob.cz>]

>>> Added UP_TRIGGERS at commit 6c41be7c17699747644fb272bbee869883807e2f
>>
>>
>> This doesn't work. :-(
>> Dependencies are missing. This re-casts only several basic spells, we
>> need much more.
>>
>> Now I'm playing with this UP_TRIGGERS
>>
>> ---
>>   for libX in $(ls /usr/lib/libX*.so \
>>                    /usr/lib/lib*-x11-*.so \
>>                    /usr/lib/lib*xcb*.so \
>>                    /usr/lib/lib*evas*.so \
>>                    /usr/lib/lib*pango*.so); do
>>     if readelf -d 2> /dev/null $libX \
>>       | grep -q -P 'NEEDED\)\s*Shared library: \[libpthread-stubs.so.0';
>> then
>>       up_trigger $(gaze from $libX | cut -f 1 -d-) cast_self
>>     fi
>>   done
>> ---
>>
>> It is much better but still problem with other libs or even binary
>> files. Now I will try to check all libs*.so and binary, similar as in
>> libpng's UP_TRIGGERS.
>>
> 
> 
> I have been playing with this UP_TRIGGERS:
> 
> if spell_ok $SPELL; then
>   local OLD_SPELL_VERSION="$(installed_version $SPELL)"
>   if [[ "${VERSION}" != "${OLD_SPELL_VERSION}" ]]; then
>     message "This is an ABI incompatible update of libpthread-stubs..."
>     message "Determining which spells need to be recast, this may take a
> while."
> 
>     for other_spell in $(gaze installed | cut -d: -f1); do
>       if gaze install $other_spell \
>          | xargs file -e apptype -e ascii -e compress -e tar \
>          | grep '\<ELF\>.*\<dynamically linked\>' \
>          | cut -d: -f1 \
>          | xargs readelf -d 2> /dev/null \
>          | grep -q -P 'NEEDED\)\s*Shared library:
> \[libpthread-stubs.so.0'; then
>         up_trigger $other_spell cast_self
>       fi
>     done
>   fi
> fi
> 
> 
> It is great that it finds all broken spells. Problem is with sequence
> order in generated sorcery queue. Most of spells fails or is postponed
> because some important library is located somewhere on the end of that
> queue.
> 
> 
> I think that another problem is with *.la files in /usr/lib. On my box
> there is over 700 .la files in /usr/lib and subdirectories contained
> /usr/lib/libpthread-stubs.la. The errors during cast looks like:
> 
> /usr/bin/grep: /usr/lib/libpthread-stubs.la: No such file or directory
> /bin/sed: can't read /usr/lib/libpthread-stubs.la: No such file or directory
> libtool: link: `/usr/lib/libpthread-stubs.la' is not a valid libtool archive
> make[3]: *** [libelementary.la] Error 1
> 
> Of course, if spell is successfully recasted then its .la files are fixed.


Any idea how to fix this?
Imho, we can integrate all changes (instead of libphread-stubs) into
test grimoire to prevent users to update spells in test grimoire. All
spells works with both libphread-stubs versions, 0.2 and 0.3.

-- 
Ladislav Hagara