RE: building with -m64

["Howard Chu" <hyc@highlandsun.com>]

> -----Original Message-----
> From: owner-openldap-devel@OpenLDAP.org
> [mailto:owner-openldap-devel@OpenLDAP.org]On Behalf Of Kurt D. Zeilenga

> At 05:27 PM 3/30/2004, Howard Chu wrote:
> >I don't know which "latest" libtool to look at but there are
> enough problems
> >with the current one that I think we should investigate an upgrade.
>
> I'm not sure upgrading to the "latest" libtool will actually fix
> much.  I see no evidence that it fixes the .la problem (searching
> /lib instead of /lib64).
>
> The main problem with upgrading libtool is that it will require
> upgrade configure.in (and openldap.m4) to latest autoconf.  That's
> a major chore.

OK.

> >re: passing -m64 - I recall I used a wrapper shell script
> for gcc when
> >building on Ultrasparc. Getting libtool to do anything sane
> by itself is just
> >... annoying...
>
> I just had to do two things:
>
> To get it to link the shared libraries correctly:
>         s%-shared%-m64 -shared%
>
> To get it to ignore .la files in {/usr,}/lib (when linking slapd):
>         s%/lib%/lib64%

I didn't need to do this last step on Solaris since the Sun linker already
chooses the right system lib directories itself. (Also it uses /lib/64; i.e.,
the 64 bit libraries are always in a subdirectory of the usual 32 bit paths.)

> >  -- Howard Chu
> >  Chief Architect, Symas Corp.       Director, Highland Sun
> >  http://www.symas.com               http://highlandsun.com/hyc
> >  Symas: Premier OpenSource Development and Support
> >
> >> -----Original Message-----
> >> From: owner-openldap-devel@OpenLDAP.org
> >> [mailto:owner-openldap-devel@OpenLDAP.org]On Behalf Of Kurt
> >> D. Zeilenga
> >> Sent: Tuesday, March 30, 2004 4:24 PM
> >> To: openldap-devel@OpenLDAP.org
> >> Subject: building with -m64
> >>
> >>
> >> So, I had to build OpenLDAP on a PPC64 system today.
> >> Not too bad.  Aside from CFLAGS=-m64, I had to hack
> >> libtool to pass -m64 with -shared when building
> >> shared libraries and hack libtool to look in
> >> {,/usr}/lib64 instead of {,/usr}/lib for .la files.
> >>
> >> Now I have to consider whether it best to hack our
> >> version of libtool (which should be relatively
> >> easy) or attempt to upgrade to the latest libtool
> >> (which I know will be a real chore, given autoconf
> >> files will also need to be upgraded).
> >>
> >> Kurt
> >>
> >>
>
>