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Antwort: Re: Issue with OpenLDAP shared libraries complie on AIX 6.1 using IBM xL Compiler

openldap-technical-bounces@openldap.org wrote on 05.11.2010 01:42:35:

> Peter Lambrechtsen <plambrechtsen@gmail.com>

> Gesendet von: openldap-technical-bounces@openldap.org

> 05.11.2010 01:53
> An

> Aaron Richton <richton@nbcs.rutgers.edu>

> Kopie

> openldap-technical@openldap.org

> Thema

> Re: Issue with OpenLDAP shared libraries complie on AIX 6.1 using
> IBM xL Compiler

> On Fri, Nov 5, 2010 at 12:22 PM, Aaron Richton <richton@nbcs.rutgers.edu
> > wrote:

> ITS # 6547.
> Knowing absolutely nothing about the platform, and assuming you're
> not comfortable doing your own autoconf regeneration, I'd just s/
> aix5/aix6/g in ./configure (i.e. edit the file) and see where you
> end up -- maybe it'll work, maybe it won't, but my guess is it would
> be an extremely crude starting point that might be usable after
> setting appropriate environment variables.

> Ok... I'm not 100% comfortable doing autoconf regenration.  but
> happy to run any tests where needed and reply with logs.

> If you're willing to help the Project validate new autoconf files,
> that would be really helpful (I'm guessing we're limited in access
> to AIX nowadays), and it would save you from having to do such
> disgusting things in future releases. You can follow up to the ITS
> via e-mail if that's an area of interest.

> Absoutely... I had hoped to use GNU GCC and the full GNU stack on
> AIX... but the gnu stack is poorly supported on AIX so I was forced
> to go down the IBM xL Path, which is a bit of a learning curve for me too.

> On Wed, 3 Nov 2010, Peter Lambrechtsen wrote:

> configure:8914: checking whether the cc_r -qlanglvl=extc89 linker (/
> usr/ccs/bin/ld) supports shared libraries
> configure:9790: result: no
> --- Any way to get a more verbose output from what it's trying to do??

> "bash -x ./configure"?

> Tried that, and my aix compile machine has no bash :( ... but ./
> configure seems to call itself and then becomes less verbose, the
> next time I had time to debug it I was planning to find out where
> configure was doing it and add a -x in there too.  And log all those
> results to a file.

> configure:10642: cc_r -qlanglvl=extc89 -o conftest -I/opt/openldap/
> include -I/opt/openldap/include -L/opt/openldap/lib conftest.c  >&5
> ld: 0711-317 ERROR: Undefined symbol: .shl_load

> -- I think this is the prolbem, shl_load, looks like I may need
> another include or figure out why it's complaining.

> I understand that "ERROR" is an eye opener, but please realize that
> autoconf basically just tries everything and uses anything that
> doesn't error out. If shl_load isn't The Right Thing on AIX, this is
> a non-issue.

> Cheers... I'll run through what the autoconf does for OpenSSL since
> that compiled fine on aix, and see what quirks it's doing that OpenLDAP isn't.
> Cheers
> Peter

I've compiled 2.4.23 on AIX 6.1 with the following settings:

export PATH=/usr/vacpp/bin:/usr/vac/bin:$PATH
export CC=cc
export CXX=xlC
export CONFIG_SHELL=/usr/bin/bash
export CONFIG_ENV_ARGS=/usr/bin/bash
export CFLAGS="-qmaxmem=16384 -DSYSV -D_AIX -D_AIX32 -D_AIX41 -D_AIX43 -D_AIX51 -D_AIX52 -D_AIX53 -D_AIX61 -D_ALL_SOURCE -DFUNCPROTO=15 -O -I/opt/freeware/include -g -I/opt/pware/Berkeley/latest/include -L/opt/pware/Berkeley/latest/lib"
export LIBS="-lpthread"
export F77=xlf
export FFLAGS="-qmaxmem=16384 -O -I/opt/freeware/include -I/opt/pware/Berkeley/latest/include"
export LD=ld
export LDFLAGS="-L/opt/freeware/lib -Wl,-bmaxdata:0x80000000 -L/opt/pware/Berkeley/latest/lib"
export LD_LIBRARY_PATH=/opt/pware/Berkeley/latest

./configure --prefix=/opt/pware/openldap/2.4.23 --with-openssl --with-shared=yes --enable-ppolicy --enable-unique --enable-ssl --enable-debug

I had to apply a patch which replaxced all occurrences of aix5 with aix 6 in aclocal.m4 , and in build/config.guess as well as contrib/ldapc++/config.guess the *:AIX:*:[45]) lines with *:AIX:*:[456]).
Worked a charm. Your paths will probably differ ... and I'm pretty sure bash was a must, but you can get it from http://www.perzl.org/aix/index.php?n=Main.Bash


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