I’ll make use of your code and reimplement the function using AC_SEARCH_LIBS. I’l post another patch soon.
Thank you for your help Daniele On May 9, 2014, at 5:23 PM, Ben Pfaff <b...@nicira.com> wrote: > On Fri, May 09, 2014 at 04:56:57PM -0700, Daniele Di Proietto wrote: >> libintel_dpdk.a refuses to link with libopenvswitch unless -ldl is used >> >> Signed-off-by: Daniele Di Proietto <ddiproie...@vmware.com> >> --- >> This could probably be fixed also by using -Wl,-whole-archive >> Besides, it looks like a workaround, so if anyone has a better >> solution, that'd be great > > It's a little weird that DPDK needs an explicit .a on the link command > line. Any reason we can't just require the user to add the right -L to > bring in the .a file's directory, then do: > > AC_SEARCH_LIBS([...some dpdk function...], [intel_dpdk]) > > instead of the hard-coded path. > > And if -ldl is needed sometimes, then you could just iterate: > > found=false > save_LIBS=$LIBS > for extras in "" "-ldl "; do > LIBS="$extras$save_LIBS" > AC_SEARCH_LIBS([...some dpdk function...], [intel_dpdk], [found=:]) > if $found; then > LIBS="-lintel_dpdk $extras$LIBS" > break > fi > done > if $found; then :; else > AC_MSG_FAILURE([are you sure dpdk is installed?]) > fi > > (Above not actually tested) _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
