sparc: add swrast to dri drivers
diff --git a/configure.ac b/configure.ac
index f5cf33c..a054330 100644
--- a/configure.ac
+++ b/configure.ac
@@ -648,7 +648,7 @@
         sparc*)
             # Build only the drivers for cards that exist on sparc`
             if test "x$DRI_DIRS" = x; then
-                DRI_DIRS="mach64 r128 r200 r300 radeon ffb"
+                DRI_DIRS="mach64 r128 r200 r300 radeon ffb swrast"
             fi
             ;;
         esac