--- configure.orig	2012-07-10 17:30:46.000000000 +0200
+++ configure	2012-09-01 13:27:22.000000000 +0200
@@ -9017,9 +9017,34 @@
         DEFINES="$DEFINES -DPTHREADS -DUSE_EXTERNAL_DXTN_LIB=1"
         DEFINES="$DEFINES -DIN_DRI_DRIVER -DHAVE_ALIAS"
 
-        if test "x$DRI_DIRS" = "xyes"; then
-            DRI_DIRS="i915 i965 nouveau r200 radeon swrast"
-        fi
+        case "$host_cpu" in
+        x86_64)
+            # i810 is missing because there is no x86-64 system where it
+            # could *ever* be used.
+            if test "x$DRI_DIRS" = "xyes"; then
+                DRI_DIRS="i915 i965 nouveau r200 radeon swrast"
+            fi
+            ;;
+        i*86)
+            if test "x$DRI_DIRS" = "xyes"; then
+                DRI_DIRS="i915 i965 nouveau r200 radeon swrast"
+            fi
+            ;;
+        powerpc*)
+            # Build only the drivers for cards that exist on PowerPC.
+            # At some point MGA will be added, but not yet.
+            if test "x$DRI_DIRS" = "xyes"; then
+                DRI_DIRS="r200 radeon swrast"
+            fi
+            ;;
+        sparc*)
+            # Build only the drivers for cards that exist on SPARC.
+            if test "x$DRI_DIRS" = "xyes"; then
+                DRI_DIRS="r200 radeon swrast"
+            fi
+            ;;
+        esac
+
         ;;
     gnu*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"