From: Mathieu Schroeter <mathieu@schroetersa.ch>
Subject: -lrt is needed with libvalhalla-test for linking with clock_gettime
Origin: upstream, http://hg.geexbox.org/libvalhalla/rev/1069
Bug-Debian: http://bugs.debian.org/601022
Last-Update: 2011-02-25
--- a/configure
+++ b/configure
@@ -1003,6 +1003,7 @@
     fi
   else
     add_pkgconfig_libs -lrt
+    add_ldflags -lrt
   fi
 fi