buildsys: Move rdma libs to per object

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170907084230.26493-1-famz@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
diff --git a/configure b/configure
index 9ffebee..84cdb2b 100755
--- a/configure
+++ b/configure
@@ -2800,7 +2800,6 @@
   rdma_libs="-lrdmacm -libverbs"
   if compile_prog "" "$rdma_libs" ; then
     rdma="yes"
-    libs_softmmu="$libs_softmmu $rdma_libs"
   else
     if test "$rdma" = "yes" ; then
         error_exit \
@@ -5988,6 +5987,7 @@
 
 if test "$rdma" = "yes" ; then
   echo "CONFIG_RDMA=y" >> $config_host_mak
+  echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
 fi
 
 if test "$have_rtnetlink" = "yes" ; then