Arfrever Frehtes Taifersar Arahesis wrote:
> 2009-06-22 12:43:04 Branko Čibej napisał(a):
>
>> Arfrever Frehtes Taifersar Arahesis wrote:
>>
>>> 2009-06-21 23:25:15 Greg Stein napisał(a):
>>>
>>>
>>>> On Sun, Jun 21, 2009 at 03:40, Arfrever Frehtes Taifersar
>>>> Arahesis<Arfrever.FTA_at_gmail.com> wrote:
>>>>
>>>>
>>>>> ...
>>>>>
>>>>>
>>>>>> If expat was being found just fine before r38120
>>>>>>
>>>>>>
>>>>> It was being found only because APR-Util was accidentally linked against Expat
>>>>> and apu-1-config was providing path to Expat directory which was used during
>>>>> building of APR-Util.
>>>>>
>>>>>
>>>> That is NOT an "accident". That is entirely by design.
>>>>
>>>>
>>> So the design is broken.
>>> Even libaprutil-1.so isn't linked against libraries printed by
>>> `apu-1-config --libs`, so linking against these libraries would slow down
>>> Subversion at run-time (ld.so would have to load attitional libraries).
>>>
>>> $ apu-1-config --libs
>>> -lldap -llber -llber -ldb-4.7 -lgdbm -lexpat
>>> $ scanelf -qF '%F: %n' /usr/lib64/libaprutil-1.so
>>> /usr/lib64/libaprutil-1.so: libexpat.so.1,libapr-1.so.0,libcrypt.so.1,libpthread.so.0,libc.so.6
>>>
>>>
>> Everyting that apu-1-config prints comes from the APR-util link command
>> line ... so, maybe there's a -Wl,--as-needed in there somewhere.
>>
>
> libaprutil-1.so dynamically loads modules (when they are needed) placed
> in $(libdir)/apr-util-1 which are linked against appropriate libraries.
>
> $ scanelf -qF '%F: %n' /usr/lib64/apr-util-1/*-1.so
> /usr/lib64/apr-util-1/apr_crypto_nss-1.so: libnspr4.so.7,libnss3.so.12,libpthread.so.0,libc.so.6
> /usr/lib64/apr-util-1/apr_crypto_openssl-1.so: libcrypto.so.0.9.8,libpthread.so.0,libc.so.6
> /usr/lib64/apr-util-1/apr_dbd_odbc-1.so: libodbc.so.1,libpthread.so.0,libc.so.6
> /usr/lib64/apr-util-1/apr_dbd_sqlite3-1.so: libsqlite3.so.0,libpthread.so.0,libc.so.6
> /usr/lib64/apr-util-1/apr_dbm_db-1.so: libdb-4.7.so,libpthread.so.0,libc.so.6
> /usr/lib64/apr-util-1/apr_dbm_gdbm-1.so: libgdbm.so.3,libpthread.so.0,libc.so.6
> /usr/lib64/apr-util-1/apr_ldap-1.so: libldap-2.4.so.2,libpthread.so.0,libc.so.6
>
> Subversion doesn't use any APR-Util function which would cause loading of these modules.
>
But even if it did, that wouldn't require Subversion to link those
modules directly, right? How does that affect the way we look for expat?
-- Brane
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http://subversion.tigris.org/ds/viewMessage.do?dsForumId=462&dsMessageId=2364229
Received on 2009-06-22 20:10:01 CEST