Re: [s6] debian packaging

From: Buck Evan <buck_at_yelp.com>
Date: Wed, 12 Aug 2015 10:20:12 -0700

I think the Right fix is to add -lskarnet to the requirments of execline.so
and s6.so similar to what I've done.
I was likely overzealous when I changed the .a requirements and should back
that bit out.

On Wed, Aug 12, 2015 at 10:18 AM, Buck Evan <buck_at_yelp.com> wrote:

> Removing the s6 patch gives essentially the same issue:
>
> dpkg-shlibdeps: warning: symbol open_write used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol byte_chr used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol openreadnclose used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol uint16_pack_big used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol fd_close used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol fd_write used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol open_create used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol stralloc_catb used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol open_read used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: symbol openwritenclose_suffix_internal used by
> debian/s6/usr/lib/x86_64-linux-gnu/libs6.so.2.2.0.0 found in none of the
> libraries
> dpkg-shlibdeps: warning: 43 other similar warnings have been skipped (use
> -v to see them all)
>
>
> This is the compilation line for libs6.so:
>
> exec gcc -o libs6.so -std=c99 -fomit-frame-pointer -fno-exceptions
> -fno-unwind-tables -fno-asynchronous-unwind-tables -Wa,--noexecstack
> -fno-stack-protector -pipe
> -Wall -fPIC -Wl,--hash-style=both -L/usr/lib/skalibs -L/usr/lib/execline
> -L/usr/lib/x86_64-linux-gnu -shared -Wl,-soname,libs6.so.2
> src/libs6/ftrigr1_zero.lo src
> /libs6/ftrigr_check.lo src/libs6/ftrigr_end.lo src/libs6/ftrigr_start.lo
> src/libs6/ftrigr_startf.lo src/libs6/ftrigr_subscribe.lo
> src/libs6/ftrigr_unsubscribe.lo s
> rc/libs6/ftrigr_update.lo src/libs6/ftrigr_wait_and.lo
> src/libs6/ftrigr_wait_or.lo src/libs6/ftrigr_zero.lo
> src/libs6/ftrigw_clean.lo src/libs6/ftrigw_fifodir_make
> .lo src/libs6/ftrigw_notify.lo src/libs6/ftrigw_notifyb.lo
> src/libs6/ftrigw_notifyb_nosig.lo src/libs6/s6_accessrules_backend_cdb.lo
> src/libs6/s6_accessrules_backe
> nd_fs.lo src/libs6/s6_accessrules_keycheck_ip4.lo
> src/libs6/s6_accessrules_keycheck_ip6.lo
> src/libs6/s6_accessrules_keycheck_reversedns.lo src/libs6/s6_accessrules
> _keycheck_uidgid.lo src/libs6/s6_accessrules_params_free.lo
> src/libs6/s6_accessrules_uidgid_cdb.lo
> src/libs6/s6_accessrules_uidgid_fs.lo src/libs6/s6_supervise_loc
> k.lo src/libs6/s6_supervise_lock_mode.lo src/libs6/s6_svc_write.lo
> src/libs6/s6_svc_writectl.lo src/libs6/s6_svstatus_pack.lo
> src/libs6/s6_svstatus_read.lo src/lib
> s6/s6_svstatus_unpack.lo src/libs6/s6_svstatus_write.lo
> src/libs6/s6lock_acquire.lo src/libs6/s6lock_check.lo
> src/libs6/s6lock_end.lo src/libs6/s6lock_release.lo s
> rc/libs6/s6lock_start.lo src/libs6/s6lock_startf.lo
> src/libs6/s6lock_update.lo src/libs6/s6lock_wait_and.lo
> src/libs6/s6lock_wait_or.lo src/libs6/s6lock_zero.lo sr
> c/libs6/s6_fdholder_delete.lo src/libs6/s6_fdholder_delete_async.lo
> src/libs6/s6_fdholder_getdump.lo src/libs6/s6_fdholder_list.lo
> src/libs6/s6_fdholder_list_async
> .lo src/libs6/s6_fdholder_list_cb.lo src/libs6/s6_fdholder_retrieve.lo
> src/libs6/s6_fdholder_retrieve_async.lo
> src/libs6/s6_fdholder_retrieve_cb.lo src/libs6/s6_fd
> holder_setdump.lo src/libs6/s6_fdholder_store.lo
> src/libs6/s6_fdholder_store_async.lo
>
> On Wed, Aug 12, 2015 at 10:14 AM, Buck Evan <buck_at_yelp.com> wrote:
>
>> This is the compilation line for libexecline.so
>>
>> exec gcc -o libexecline.so -std=c99 -fomit-frame-pointer -fno-exceptions
>> -fno-unwind-tables -fno-asynchronous-unwind-tables -Wa,--noexecstack
>> -fno-stack-protector
>> -pipe -Wall -fPIC -Wl,--hash-style=both -L/usr/lib/skalibs
>> -L/usr/lib/x86_64-linux-gnu -shared -Wl,-soname,libexecline.so.2
>> src/libexecline/el_execsequence.lo sr
>> c/libexecline/el_getstrict.lo src/libexecline/el_parse.lo
>> src/libexecline/el_parse_from_buffer.lo
>> src/libexecline/el_parse_from_string.lo src/libexecline/el_popenv
>> .lo src/libexecline/el_pushenv.lo src/libexecline/el_semicolon.lo
>> src/libexecline/el_spawn0.lo src/libexecline/el_spawn1.lo
>> src/libexecline/el_substandrun.lo src/l
>> ibexecline/el_substandrun_str.lo src/libexecline/el_substitute.lo
>> src/libexecline/el_transform.lo src/libexecline/el_vardupl.lo
>> src/libexecline/exlsn_define.lo src
>> /libexecline/exlsn_elglob.lo src/libexecline/exlsn_import.lo
>> src/libexecline/exlsn_multidefine.lo src/libexecline/exlsn_exlp.lo
>> src/libexecline/exlsn_main.lo src/l
>> ibexecline/exlsn_free.lo src/libexecline/exlp.lo
>>
>> I don't see -lskarnet.
>>
>> On Wed, Aug 12, 2015 at 10:12 AM, Buck Evan <buck_at_yelp.com> wrote:
>>
>>> Removing the execline patch results in:
>>>
>>>
>>> dh_shlibdeps -O--parallel -O--autodest
>>> dpkg-shlibdeps: warning: symbol waitpid_nointr used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol PROG used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol stralloc_catb used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol env_get2 used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol env_string used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol byte_chr used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol pathexec0_run used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol str_start used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol stralloc_free used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: symbol uint320_scan_base used by
>>> debian/execline/usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0 found in
>>> none of the libraries
>>> dpkg-shlibdeps: warning: 18 other similar warnings have been skipped
>>> (use -v to see them all)
>>>
>>>
>>>
>>> The manpage
>>> <http://manpages.ubuntu.com/manpages/jaunty/man1/dpkg-shlibdeps.1.html>
>>> says:
>>>
>>> *symbol* *sym* *used* *by* *binary* *found* *in* *none* *of* *the* *libraries.*
>>> The indicated symbol has not been found in the libraries linked
>>> with the binary. The *binary* is most likely a library and it
>>> needs to be linked with an additional library during the build
>>> process (option *-l**library* of the linker).
>>>
>>>
>>>
>>> It's true that the execline.so doesn't link to skalibs.so even though it requires its symbols:
>>>
>>>
>>> $ ldd /usr/lib/x86_64-linux-gnu/libexecline.so.2.1.3.0
>>> linux-vdso.so.1 (0x00007ffff2dfe000)
>>> libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007ff5dcf8c000)
>>> /lib64/ld-linux-x86-64.so.2 (0x00007ff5dd53f000)
>>>
>>>
>>>
>>>
>>>
>>> On Wed, Aug 12, 2015 at 3:05 AM, Laurent Bercot <ska-skaware_at_skarnet.org
>>> > wrote:
>>>
>>>>
>>>> (Please follow-up this part of the thread to the skaware mailing-list.)
>>>>
>>>> On 12/08/2015 08:37, Buck Evan wrote:
>>>>
>>>>> -
>>>>>
>>>>> https://github.com/bukzor/s6-packaging/blob/dockerize/execline/debian/patches/02_link_against_libskarnet.patch
>>>>> -
>>>>>
>>>>> https://github.com/bukzor/s6-packaging/blob/dockerize/s6/debian/patches/75_dot_so_link_skarlib.patch
>>>>>
>>>>>
>>>>> Again this is because the build derps without them, but I forget the
>>>>> exact
>>>>> failure mode.
>>>>> I'll track down details upon request.
>>>>>
>>>>
>>>> The parts for binaries and static libraries are clearly invalid. If
>>>> something breaks while building those, then there's a problem with the
>>>> way the build is invoked, or the options to configure.
>>>> For static libraries, -lskarnet is nonsense. For binaries, -lskarnet
>>>> is already listed in the requirements ($^) and should be translated
>>>> to a .a or .so by vpath resolution, so it is incorrect to list it
>>>> again. Something is definitely wrong if the package builds with them
>>>> while it won't build without.
>>>>
>>>> I'm still unsure about the shared libraries parts. I don't think
>>>> it should be needed, but my test suite isn't up to par and I need to
>>>> update it to test the problematic cases and understand exactly what
>>>> is happening.
>>>>
>>>> In the meantime, please find the problem with your build and fix it.
>>>> Chances are you won't need the shared libraries patch either once
>>>> you've done that. :)
>>>>
>>>>
>>>> It seems likely to me that you'll want to figure out and fix these two
>>>>> issues given your response to the above patch.
>>>>> Is that right?
>>>>>
>>>>
>>>> Yes, and now you have work to do too. :P
>>>>
>>>> --
>>>> Laurent
>>>>
>>>>
>>>
>>
>
Received on Wed Aug 12 2015 - 17:20:12 UTC

This archive was generated by hypermail 2.3.0 : Sun May 09 2021 - 19:44:19 UTC