Re: [gentoo-user] Re: Updating libpng: another libtool cockup?

[Michael Mol <mikemol@gmail.com>]

On Mon, Sep 19, 2011 at 10:20 AM, Allan Gottlieb <gottlieb@nyu.edu> wrote:
> On Mon, Sep 19 2011, Alan McKinnon wrote:
>>> > revdep-rebuild checks everything, revdep-rebuild --library
>>> > checks just some things.
>>> >
>>> > ebuilds sometimes issue messages to check just the libraries known
>>> > to have been updated, but a full revdep-rebuild after an update
>>> > will catch those anyway.
>>>
>>> Until recently I skipped the "--library" step exactly because I knew
>>> revdep-rebuild will find and fix the broken packages after I delete
>>> the old library.  So, why bother with the --library step, right?
>>>
>>> However.  A few weeks ago I got caught when I deleted one of those
>>> obsolete libraries and only then did I find out that gcc is one of
>>> the packages that depend on it :(
>>>
>>> I don't skip the --library step any more.
>>
>> That's odd behaviour, I wonder what caused the difference.
>>
>> Surely revdep-rebuild itself can't do this different just because you
>> specified a library to compare? I wonder if that lib was maybe in the
>> revdep-rebuild exclude list.
>>
>> I'd be interested to track it down for reference, do you remember the
>> library involved?
>
> It occurs exactly in the case we are discussing libpng
>
> ajglap gottlieb # revdep-rebuild; revdep-rebuild --library '/usr/lib64/libpng14.so.14'
>  * Configuring search environment for revdep-rebuild
>
>  * Checking reverse dependencies
>  * Packages containing binaries and libraries broken by a package update
>  * will be emerged.
>
>  * Collecting system binaries and libraries
>  * Generated new 1_files.rr
>  * Collecting complete LD_LIBRARY_PATH
>  * Generated new 2_ldpath.rr
>  * Checking dynamic linking consistency
> [ 100% ]
>
>  * Dynamic linking on your system is consistent... All done.
>  * Configuring search environment for revdep-rebuild
>
>  * Checking reverse dependencies
>  * Packages containing binaries and libraries using /usr/lib64/libpng14.so.14
>  * will be emerged.
>
>  * Collecting system binaries and libraries
>  * Generated new 1_files.rr
>  * Checking dynamic linking
> [ 8% ]  *   found /usr/bin/dia
> [ 46% ]  *   found /usr/lib64/dia/libaadl_objects.so
>  *   found /usr/lib64/dia/libart_filter.so
>  *   found /usr/lib64/dia/libcairo_filter.so
>  *   found /usr/lib64/dia/libcgm_filter.so
>  *   found /usr/lib64/dia/libchronogram_objects.so
>  *   found /usr/lib64/dia/libcustom_lines_objects.so
>  *   found /usr/lib64/dia/libcustom_objects.so
>  *   found /usr/lib64/dia/libdb_objects.so
>  *   found /usr/lib64/dia/libdia.so
>  *   found /usr/lib64/dia/libdxf_filter.so
>  *   found /usr/lib64/dia/liber_objects.so
>  *   found /usr/lib64/dia/libflowchart_objects.so
>  *   found /usr/lib64/dia/libfs_objects.so
>  *   found /usr/lib64/dia/libgrafcet_objects.so
>  *   found /usr/lib64/dia/libhpgl_filter.so
>  *   found /usr/lib64/dia/libistar_objects.so
>  *   found /usr/lib64/dia/libjackson_objects.so
>  *   found /usr/lib64/dia/libkaos_objects.so
>  *   found /usr/lib64/dia/libmetapost_filter.so
>  *   found /usr/lib64/dia/libmisc_objects.so
>  *   found /usr/lib64/dia/libnetwork_objects.so
>  *   found /usr/lib64/dia/libpgf_filter.so
>  *   found /usr/lib64/dia/libpixbuf_filter.so
>  *   found /usr/lib64/dia/libpostscript_filter.so
>  *   found /usr/lib64/dia/libpstricks_filter.so
>  *   found /usr/lib64/dia/libpython_plugin.so
> ^C *   ...terminated. Removing incomplete 3_broken.rr 3_errors.rr.

Is there no automated way to catch these? --library expects an
argument; how do I know which libraries to feed it?

-- 
:wq