Re: About libdir for 64-bit

[Ralf Corsepius]

On 07/17/2013 11:53 AM, Thomas Jahns wrote:
> Hello,
>
> On 07/16/13 11:23, Sergio Belkin wrote:
> > I have a configure.ac with following:
> >
> > AS_CASE([$host], [x86_64*|sparc64*|s390x*|ppc64*], [libdir=$prefix/lib64],
> > [libdir=$prefix/lib])
>
> how does this work for users having -m32 (gcc) or -q32 (xlc) set in their
> compiler flags?

It does not work at all, because this approach does not take into 
account GCC's search path depends on the compiler flags being used.

> > I'done it in order to make easy the install of package and choose the
> > libdir according to arch. But I've found that I can't override if I run
> > ./configure llibdir=/whatever and even distros like Debian put libraries in
> > /usr/lib//x86_64-linux-gnu
> >
> > is there a way to fix it?
>
> I couldn't propose anything.
No surprize ;)

libdir is an input-parameter to configure, which is supposed to point to 
an arbitrary user specified directory.

If one wants to install into a directory GCC and ldd search for 
libraries, you can not avoid to explicitly specify one (There are 
several ones).


Ralf