netdev - Re: [PATCH] configure: Add search path for 64bit library.

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Message-ID: <20120813082624.153167a8@nehalam.linuxnetplumber.net>
Date:	Mon, 13 Aug 2012 08:26:24 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	Li Wei <lw@...fujitsu.com>, <netdev@...r.kernel.org>
Subject: Re: [PATCH] configure: Add search path for 64bit library.

On Tue, 7 Aug 2012 19:15:58 +0100
Ben Hutchings <bhutchings@...arflare.com> wrote:

> The subject line doesn't say what this is for, but it looks like
> iproute2...
> 
> On Tue, 2012-08-07 at 12:22 +0800, Li Wei wrote:
> > Signed-off-by: Li Wei <lw@...fujitsu.com>
> > ---
> >  configure |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/configure b/configure
> > index 0f4444f..997759c 100755
> > --- a/configure
> > +++ b/configure
> > @@ -149,7 +149,7 @@ check_ipt()
> >  check_ipt_lib_dir()
> >  {
> >  	IPT_LIB_DIR=""
> > -	for dir in /lib /usr/lib /usr/local/lib
> > +	for dir in /lib /usr/lib /usr/local/lib /lib64 /usr/lib64 /usr/local/lib64
> >  	do
> >  		for file in $dir/{xtables,iptables}/lib*t_*so ; do
> >  			if [ -f $file ]; then
> 
> On a bi-arch system, surely the lib64 directories should be preferred to
> the lib directories?  And this still leaves multi-arch to be handled.
> 
> I think this should be done with pkg-config:
> 
>     pkg-config --variable=xtlibdir xtables
> 
> possibly with that directory list as a fallback if it's useful to
> support iptables library versions that didn't include xtables.pc.
> 
> Ben.
> 

Does every distro have pkg-config or does more logic need to be done here?
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