Index: xserver-xorg-video-psb-0.32.1/configure.ac
===================================================================
--- xserver-xorg-video-psb-0.32.1.orig/configure.ac
+++ xserver-xorg-video-psb-0.32.1/configure.ac
@@ -94,7 +94,7 @@ AC_MSG_RESULT([$DRI])
 
 AM_CONDITIONAL(DRI, test x$DRI = xyes)
 if test "$DRI" = yes; then
-        PKG_CHECK_MODULES(DRI, [libdrm-poulsbo >= 2.0 xf86driproto])
+        PKG_CHECK_MODULES(DRI, [libdrm_poulsbo >= 2.0 xf86driproto])
         AC_DEFINE(XF86DRI,1,[Enable DRI driver support])
         AC_DEFINE(XF86DRI_DEVEL,1,[Enable developmental DRI driver support])
 fi