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Posted to dev@subversion.apache.org by Philip Martin <ph...@codematters.co.uk> on 2003/08/11 16:22:51 UTC

Re: lt-svnversion consistenly linked against wrong libs (was: Re: svnversion_tests.py: lt-svnversion uses wrong libraries)

Erik Hülsmann <e....@gmx.net> writes:

> The problem:
> the program subversion/svnversion/.libs/lt-svnversion is linked against (some - not all) libsvn_* libraries in the /usr/local/lib directory instead of the ones in the build tree.
>
> The following output demonstrates the problem I describe:
>
> After building (using 'make') and executing 'subversion/svnversion/svnversion' (to let libtool do its job), I get the following output when running:
>
>  $ ldd subversion/svnversion/.libs/lt-svnversion | grep -v '.libs/' | grep 'libsvn_'
>         libsvn_ra_svn-1.so.0 => /usr/local/lib/libsvn_ra_svn-1.so.0 (0x402fd000)
>         libsvn_delta-1.so.0 => /usr/local/lib/libsvn_delta-1.so.0 (0x40306000)
>         libsvn_diff-1.so.0 => /usr/local/lib/libsvn_diff-1.so.0 (0x4030d000)
>         libsvn_subr-1.so.0 => /usr/local/lib/libsvn_subr-1.so.0 (0x40312000)
>
> This problem only occurs to svnversion; not to any of the other svn programs in the tree.

Try running

LD_DEBUG=libs subversion/svnversion/svnversion

to get some debug output from the shared library loader.

Examining the RPATH embedded in the executable and the libraries may
help, use objdump:

objdump -x subversion/svnversion/.libs/lt-svnversion | grep RPATH
objdump -x subversion/libsvn_client/.libs/libsvn_client-1.so | grep RPATH

-- 
Philip Martin

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Re: lt-svnversion consistenly linked against wrong libs

Posted by Erik Hülsmann <e....@gmx.net>.
>>Erik H�lsmann <e....@gmx.net> writes:
>>
>>> [ snip ]
>>>
>>>>I think the problem is the -L/usr/local/lib that comes before -lssl.
>>>>
>>>>Have a look in the libtool file
>>>> /home/erik/svn/subversion/libsvn_ra_dav/libsvn_ra_dav-1.la
>>>>Is the -L/usr/local/lib there?
>>>
>>> Yes, there is, but libssl.so.2 is located in /lib and libssl.so in
>>> /usr/lib so there is no reason for the command to be there.
>>
>>I don't think it's ssl, I suspect it is the way neon links to libxml,
>>try
>>
>>  grep NEON_LIBS Makefile
>>
> # grep NEON_LIBS Makefile
>NEON_LIBS = $(abs_builddir)/neon/src/libneon.la -L/usr/local/lib  -lssl -lcrypto -lz -L/usr/local/lib -lxml2 -lz -lm
>
BTW:

 # locate xml2.so
/usr/lib/libxml2.so.2
/usr/lib/libxml2.so.2.4.23
/usr/local/lib/libxml2.so.2.4.23
/usr/local/lib/libxml2.so.2
/usr/local/lib/libxml2.so

So then eliminating /usr/local/lib/libxml2* should eliminate my problems? It would not be my favorate solution though, since the problem in the build script remains.

bye,

Erik.

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Re: lt-svnversion consistenly linked against wrong libs

Posted by Erik Hülsmann <e....@gmx.net>.
Hi Philip!

Thanks for your continued help!

[ snip ]
>> So what now?!
>
>So the problem is that
>
>  neon-config --libs
>
>includes -L/usr/local/lib which causes problems for subsequent
>Subversion libraries.

 # neon-config --libs
-L/usr/local/lib -lneon -lssl -lcrypto -lz -L/usr/local/lib -lxml2 -lz -lm

So I guess you're right.

>It's odd that svn doesn't have the same problem, I suspect some
>reordering within the the gen-make system.  If you edit build.conf and
>compare the [svn] and [svnversion] sections they have different libs
>lines.  You could try replacing the svnversion line with that from
>svn, then run ./gen-make.py in the source directory, run config.nice
>in the build directory, make clean and and finally make.

I saw your other post about the $(NEON_LIBS), so I decided to do that.
I think I will be running the above test too, but I am running the rebuild 
now and will report back to the list when I come back from work; this evening.

bye,


Erik.

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Re: lt-svnversion consistenly linked against wrong libs

Posted by Philip Martin <ph...@codematters.co.uk>.
Philip Martin <ph...@codematters.co.uk> writes:

> reordering within the the gen-make system.  If you edit build.conf and
> compare the [svn] and [svnversion] sections they have different libs
> lines.  You could try replacing the svnversion line with that from
> svn, then run ./gen-make.py in the source directory, run config.nice
> in the build directory, make clean and and finally make.

Ooops, no need to rerun configure.  Just run ./gen-make.py in the
source directory, make clean and make.

-- 
Philip Martin

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Re: lt-svnversion consistenly linked against wrong libs

Posted by Philip Martin <ph...@codematters.co.uk>.
Erik Hülsmann <e....@gmx.net> writes:

>  # grep NEON_LIBS Makefile
> NEON_LIBS = $(abs_builddir)/neon/src/libneon.la -L/usr/local/lib  -lssl -lcrypto -lz -L/usr/local/lib -lxml2 -lz -lm
>
> So what now?!

So the problem is that

  neon-config --libs

includes -L/usr/local/lib which causes problems for subsequent
Subversion libraries.

It's odd that svn doesn't have the same problem, I suspect some
reordering within the the gen-make system.  If you edit build.conf and
compare the [svn] and [svnversion] sections they have different libs
lines.  You could try replacing the svnversion line with that from
svn, then run ./gen-make.py in the source directory, run config.nice
in the build directory, make clean and and finally make.

-- 
Philip Martin

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Re: lt-svnversion consistenly linked against wrong libs

Posted by Erik Hülsmann <e....@gmx.net>.
>Erik H�lsmann <e....@gmx.net> writes:
>
>> [ snip ]
>>
>>>I think the problem is the -L/usr/local/lib that comes before -lssl.
>>>
>>>Have a look in the libtool file
>>> /home/erik/svn/subversion/libsvn_ra_dav/libsvn_ra_dav-1.la
>>>Is the -L/usr/local/lib there?
>>
>> Yes, there is, but libssl.so.2 is located in /lib and libssl.so in
>> /usr/lib so there is no reason for the command to be there.
>
>I don't think it's ssl, I suspect it is the way neon links to libxml,
>try
>
>  grep NEON_LIBS Makefile
>
 # grep NEON_LIBS Makefile
NEON_LIBS = $(abs_builddir)/neon/src/libneon.la -L/usr/local/lib  -lssl -lcrypto -lz -L/usr/local/lib -lxml2 -lz -lm

So what now?!

bye,

Erik.

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Re: lt-svnversion consistenly linked against wrong libs

Posted by Philip Martin <ph...@codematters.co.uk>.
Erik Hülsmann <e....@gmx.net> writes:

> [ snip ]
>
>>I think the problem is the -L/usr/local/lib that comes before -lssl.
>>
>>Have a look in the libtool file
>> /home/erik/svn/subversion/libsvn_ra_dav/libsvn_ra_dav-1.la
>>Is the -L/usr/local/lib there?
>
> Yes, there is, but libssl.so.2 is located in /lib and libssl.so in
> /usr/lib so there is no reason for the command to be there.

I don't think it's ssl, I suspect it is the way neon links to libxml,
try

  grep NEON_LIBS Makefile

-- 
Philip Martin

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Re: lt-svnversion consistenly linked against wrong libs (was: Re: svnversion_tests.py: lt-svnversion uses wrong libraries)

Posted by Erik Hülsmann <e....@gmx.net>.
[ snip ]

>I think the problem is the -L/usr/local/lib that comes before -lssl.
>
>Have a look in the libtool file
> /home/erik/svn/subversion/libsvn_ra_dav/libsvn_ra_dav-1.la
>Is the -L/usr/local/lib there?

Yes, there is, but libssl.so.2 is located in /lib and libssl.so in
/usr/lib so there is no reason for the command to be there. How
do I make sure that the -L/usr/local/lib does not appear in that
file anymore!?

bye,


Erik.


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Re: lt-svnversion consistenly linked against wrong libs (was: Re: svnversion_tests.py: lt-svnversion uses wrong libraries)

Posted by Philip Martin <ph...@codematters.co.uk>.
Erik Hülsmann <e....@gmx.net> writes:

> cd subversion/svnversion && /bin/sh /home/erik/svn/libtool  --mode=link gcc  -O2 -pipe   -pthread  -DNEON_ZLIB -DNEON_SSL   -rpath /usr/local/lib -o svnversion main.o ../../subversion/libsvn_client/libsvn_client-1.la ../../subversion/libsvn_ra_svn/libsvn_ra_svn-1.la ../../subversion/libsvn_delta/libsvn_delta-1.la ../../subversion/libsvn_diff/libsvn_diff-1.la ../../subversion/libsvn_subr/libsvn_subr-1.la /home/erik/svn/apr-util/libaprutil-0.la -lgdbm -ldb-4.0 -lexpat /home/erik/svn/apr/libapr-0.la -lrt -lm -lcrypt -lnsl  -ldl -lz
> gcc -O2 -pipe -pthread -DNEON_ZLIB -DNEON_SSL -o .libs/svnversion main.o  ../../subversion/libsvn_client/.libs/libsvn_client-1.so /home/erik/svn/subversion/libsvn_wc/.libs/libsvn_wc-1.so /home/erik/svn/subversion/libsvn_ra/.libs/libsvn_ra-1.so /home/erik/svn/subversion/libsvn_ra_local/.libs/libsvn_ra_local-1.so /home/erik/svn/subversion/libsvn_repos/.libs/libsvn_repos-1.so /home/erik/svn/subversion/libsvn_fs/.libs/libsvn_fs-1.so -ldb /home/erik/svn/subversion/libsvn_ra_dav/.libs/libsvn_ra_dav-1.so /home/erik/svn/neon/src/.libs/libneon.so -L/usr/local/lib -lssl -lcrypto /usr/local/lib/libxml2.so /home/erik/svn/subversion/libsvn_ra_svn/.libs/libsvn_ra_svn-1.so /home/erik/svn/subversion/libsvn_diff/.libs/libsvn_diff-1.so ../../subversion/libsvn_ra_svn/.libs/libsvn_ra_svn-1.so /home/erik/svn/subversion/libsvn_delta/.libs/libsvn_delta-1.so ../../subversion/libsvn_delta/.libs/libsvn_delta-1.so ../../subversion/libsvn_diff/.libs/libsvn_diff-1.so /home/erik/svn/subversion/libsvn_subr/.libs/libsvn_subr-1.so ../../subversion/libsvn_subr/.libs/libsvn_subr-1.so /home/erik/svn/apr-util/.libs/libaprutil-0.so /usr/lib/libgdbm.so /usr/lib/libdb-4.0.so /usr/lib/libexpat.so /home/erik/svn/apr/.libs/libapr-0.so -lrt -lm -lcrypt -lnsl -ldl -lz -Wl,--rpath -Wl,/usr/local/lib -Wl,--rpath -Wl,/usr/local/apr/lib
> creating svnversion

I think the problem is the -L/usr/local/lib that comes before -lssl.

Have a look in the libtool file

 /home/erik/svn/subversion/libsvn_ra_dav/libsvn_ra_dav-1.la

Is the -L/usr/local/lib there?

-- 
Philip Martin

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Re: lt-svnversion consistenly linked against wrong libs (was: Re: svnversion_tests.py: lt-svnversion uses wrong libraries)

Posted by Erik Hülsmann <e....@gmx.net>.
>Erik H�lsmann <e....@gmx.net> writes:
>
>> The problem:
>> the program subversion/svnversion/.libs/lt-svnversion is linked against (some - not all) libsvn_* libraries in the /usr/local/lib directory instead of the ones in the build tree.
>>
>> The following output demonstrates the problem I describe:
>>
>> After building (using 'make') and executing 'subversion/svnversion/svnversion' (to let libtool do its job), I get the following output when running:
>>
>>  $ ldd subversion/svnversion/.libs/lt-svnversion | grep -v '.libs/' | grep 'libsvn_'
>>         libsvn_ra_svn-1.so.0 => /usr/local/lib/libsvn_ra_svn-1.so.0 (0x402fd000)
>>         libsvn_delta-1.so.0 => /usr/local/lib/libsvn_delta-1.so.0 (0x40306000)
>>         libsvn_diff-1.so.0 => /usr/local/lib/libsvn_diff-1.so.0 (0x4030d000)
>>         libsvn_subr-1.so.0 => /usr/local/lib/libsvn_subr-1.so.0 (0x40312000)
>>
>> This problem only occurs to svnversion; not to any of the other svn programs in the tree.
>Try running
>
>LD_DEBUG=libs subversion/svnversion/svnversion
>
>to get some debug output from the shared library loader.

The information from the shared library loader indicates the effects
to be expected from the output of the objdump command below.

>Examining the RPATH embedded in the executable and the libraries may
>help, use objdump:
>
>objdump -x subversion/svnversion/.libs/lt-svnversion | grep RPATH
>objdump -x subversion/libsvn_client/.libs/libsvn_client-1.so | grep RPATH

the output of the objdump command is given below (actual output is one line!)

 # objdump -x subversion/svnversion/.libs/lt-svnversion | grep RPATH
 RPATH       /home/erik/svn/subversion/libsvn_client/.libs:
/home/erik/svn/subversion/libsvn_wc/.libs:
/home/erik/svn/subversion/libsvn_ra/.libs:
/home/erik/svn/subversion/libsvn_ra_local/.libs:
/home/erik/svn/subversion/libsvn_repos/.libs:
/home/erik/svn/subversion/libsvn_fs/.libs:
/home/erik/svn/subversion/libsvn_ra_dav/.libs:
/home/erik/svn/neon/src/.libs:
/usr/local/lib:
/home/erik/svn/subversion/libsvn_ra_svn/.libs:
/home/erik/svn/subversion/libsvn_diff/.libs:
/home/erik/svn/subversion/libsvn_delta/.libs:
/home/erik/svn/subversion/libsvn_subr/.libs:
/home/erik/svn/apr-util/.libs:
/home/erik/svn/apr/.libs:
/usr/local/apr/lib

To see if the libtool command also contains the /usr/local/lib in the middle
of the list of libsvn_* libraries, I executed the command:

 # make LTFLAGS=

which gave as output (3 lines actual output):

cd subversion/svnversion && /bin/sh /home/erik/svn/libtool  --mode=link gcc  -O2 -pipe   -pthread  -DNEON_ZLIB -DNEON_SSL   -rpath /usr/local/lib -o svnversion main.o ../../subversion/libsvn_client/libsvn_client-1.la ../../subversion/libsvn_ra_svn/libsvn_ra_svn-1.la ../../subversion/libsvn_delta/libsvn_delta-1.la ../../subversion/libsvn_diff/libsvn_diff-1.la ../../subversion/libsvn_subr/libsvn_subr-1.la /home/erik/svn/apr-util/libaprutil-0.la -lgdbm -ldb-4.0 -lexpat /home/erik/svn/apr/libapr-0.la -lrt -lm -lcrypt -lnsl  -ldl -lz
gcc -O2 -pipe -pthread -DNEON_ZLIB -DNEON_SSL -o .libs/svnversion main.o  ../../subversion/libsvn_client/.libs/libsvn_client-1.so /home/erik/svn/subversion/libsvn_wc/.libs/libsvn_wc-1.so /home/erik/svn/subversion/libsvn_ra/.libs/libsvn_ra-1.so /home/erik/svn/subversion/libsvn_ra_local/.libs/libsvn_ra_local-1.so /home/erik/svn/subversion/libsvn_repos/.libs/libsvn_repos-1.so /home/erik/svn/subversion/libsvn_fs/.libs/libsvn_fs-1.so -ldb /home/erik/svn/subversion/libsvn_ra_dav/.libs/libsvn_ra_dav-1.so /home/erik/svn/neon/src/.libs/libneon.so -L/usr/local/lib -lssl -lcrypto /usr/local/lib/libxml2.so /home/erik/svn/subversion/libsvn_ra_svn/.libs/libsvn_ra_svn-1.so /home/erik/svn/subversion/libsvn_diff/.libs/libsvn_diff-1.so ../../subversion/libsvn_ra_svn/.libs/libsvn_ra_svn-1.so /home/erik/svn/subversion/libsvn_delta/.libs/libsvn_delta-1.so ../../subversion/libsvn_delta/.libs/libsvn_delta-1.so ../../subversion/libsvn_diff/.libs/libsvn_diff-1.so /home/erik/svn/subversion/libsvn_subr
 /.libs/libsvn_subr-1.so ../../subversion/libsvn_subr/.libs/libsvn_subr-1.so /home/erik/svn/apr-util/.libs/libaprutil-0.so /usr/lib/libgdbm.so /usr/lib/libdb-4.0.so /usr/lib/libexpat.so /home/erik/svn/apr/.libs/libapr-0.so -lrt -lm -lcrypt -lnsl -ldl -lz -Wl,--rpath -Wl,/usr/local/lib -Wl,--rpath -Wl,/usr/local/apr/lib
creating svnversion


I have no idea what the output from libtool means with respect to resolving this problem though.

I figure this is a problem within the link stage of the program, maybe with the arguments from libtool for gcc?

Philip, do you know what my next step could be?


bye,


Erik.

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