diff -up mesa-20090723/configure.ac.mach64 mesa-20090723/configure.ac
--- mesa-20090723/configure.ac.mach64	2009-07-23 12:11:01.000000000 +1000
+++ mesa-20090723/configure.ac	2009-07-23 12:11:22.000000000 +1000
@@ -713,7 +713,7 @@ if test "$mesa_driver" = dri; then
             # because there is no x86-64 system where they could *ever*
             # be used.
             if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="i915 i965 mach64 mga r128 r200 r300 r600 radeon \
+                DRI_DIRS="i915 i965 mga r128 r200 r300 r600 radeon \
                     savage tdfx unichrome swrast"
             fi
             ;;
@@ -721,13 +721,13 @@ if test "$mesa_driver" = dri; then
             # Build only the drivers for cards that exist on PowerPC.
             # At some point MGA will be added, but not yet.
             if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="mach64 r128 r200 r300 r600 radeon tdfx swrast"
+                DRI_DIRS="r128 r200 r300 r600 radeon tdfx swrast"
             fi
             ;;
         sparc*)
             # Build only the drivers for cards that exist on sparc`
             if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="mach64 r128 r200 r300 r600 radeon ffb swrast"
+                DRI_DIRS="r128 r200 r300 r600 radeon ffb swrast"
             fi
             ;;
         esac
@@ -746,7 +746,7 @@ if test "$mesa_driver" = dri; then
         # ffb and gamma are missing because they have not been converted
         # to use the new interface.
         if test "x$DRI_DIRS" = "xyes"; then
-            DRI_DIRS="i810 i915 i965 mach64 mga r128 r200 r300 r600 radeon tdfx \
+            DRI_DIRS="i810 i915 i965 mga r128 r200 r300 r600 radeon tdfx \
                 unichrome savage sis swrast"
         fi
         ;;
@@ -765,7 +765,7 @@ if test "$mesa_driver" = dri; then
 
     # default drivers
     if test "x$DRI_DIRS" = "xyes"; then
-        DRI_DIRS="i810 i915 i965 mach64 mga r128 r200 r300 r600 radeon s3v \
+        DRI_DIRS="i810 i915 i965 mga r128 r200 r300 r600 radeon s3v \
             savage sis tdfx trident unichrome ffb swrast"
     fi