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Re: building 32bit and 64bit libs with the same name

From: Ralf Corsepius
Subject: Re: building 32bit and 64bit libs with the same name
Date: Tue, 08 Nov 2005 14:40:40 +0100

On Tue, 2005-11-08 at 14:10 +0100, Harald Dunkel wrote:
> Hi Ralf,
> Ralf Corsepius wrote:
> > On Tue, 2005-11-08 at 08:15 +0100, Harald Dunkel wrote:
> > 
> >>Hi folks,
> >>
> >>I would like to build 32bit and 64bit libraries within the
> >>same In the install directory tree the libs
> >>should get the same name, but the 64bit library is supposed
> >>to be installed in ${exec_prefix}/lib64, of course.
> >>
> >>Obviously automake can't distinguish libraries in the
> >>build directory using the destination directory name.
> >>What is your suggested way to handle this "in the
> >>Automake style"?
> > 
> > You either want to add multilib-support  (cf. AM_ENABLE_MULTILIB,
> > to your configuration or leave this case to the user (i.e.
> > let him build the package twice, with different CFLAGS and directories)
> > 
> Many thanx for the hint. I will try to make it work.
> Do you know whether this is in use somewhere,

Well it's not widely used, nevertheless, GCC and a couple of packages
related to it use it. I for one, am actively using automake multilibs
for RTEMS.

>  or
> this this too experimental yet?
Admitted, it's pretty immature and not easy to use, but it definitely is
usable or at least can be made usable.


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