Re: [Powertop] [PATCH] Fix trying to use libnl-2.0 when only libnl-3.0 is installed

On 5/12/2012 1:46 PM, Kok, Auke-jan H wrote:
> 
> 
> On Sat, May 12, 2012 at 8:50 AM, Vinicius Costa Gomes <vcgomes(a)gmail.com
> <mailto:vcgomes(a)gmail.com>> wrote:
> 
>     From: Vinicius Costa Gomes <vinicius.gomes(a)openbossa.org
>     <mailto:vinicius.gomes(a)openbossa.org>>
> 
>     When using libnl-3.0 we need to link with libnl-genl also, if not, we
>     get a lot of undefined symbols.
>     ---
>      configure.ac <http://configure.ac> |    2 +-
>      1 file changed, 1 insertion(+), 1 deletion(-)
> 
>     diff --git a/configure.ac <http://configure.ac> b/configure.ac
>     <http://configure.ac>
>     index 2d56684..3579b6e 100644
>     --- a/configure.ac <http://configure.ac>
>     +++ b/configure.ac <http://configure.ac>
>     @@ -56,7 +56,7 @@ PKG_CHECK_MODULES([LIBZ], [zlib],[],[
> 
>      has_libnl_ver=0
>      PKG_CHECK_MODULES([LIBNL], [libnl-1], [has_libnl_ver=1], [
>     -       AC_SEARCH_LIBS([nl_socket_alloc], [nl], [has_libnl_ver=2], [
>     +       AC_SEARCH_LIBS([nl_socket_alloc], [libnl-2.0],
>     [has_libnl_ver=2], [
> 
> 
> are you sure you want the linker to check for -llibnl-2.0? that means
> it's going to try to find a "liblibnl-2.0.so <http://liblibnl-2.0.so>"
> (note the double "lib" here).
> 
> Auke

this autoconf stuff is giving me a headache

maybe we should ask the libnl guys if they have some snippet that they
recommend.... after all I doubt we're the only ones dealing with their
library.