-#case ${target} in
-# )
-# if test "x$enable_obsolete" != xyes; then
-# echo "*** Configuration ${target} is obsolete." >&2
-# echo "*** Specify --enable-obsolete to build it anyway." >&2
-# echo "*** Support will be REMOVED in the next major release of GCC," >&2
-# echo "*** unless a maintainer comes forward." >&2
-# exit 1
-# fi;;
-#esac
+case ${target} in
+# Avoid cases below matching.
+ alpha*-*-linux* \
+ | arm*-wince-pe* \
+ | arm*-*-netbsdelf* \
+ | i[34567]86-*-netbsdelf* \
+ | powerpc*-*-linux* \
+ | vax-*-netbsdelf*) ;;
+ arc-* \
+ | alpha*-*-gnu* \
+ | arm*-*-netbsd* \
+ | arm-*-pe* \
+ | crx-* \
+ | i[34567]86-*-interix3* \
+ | i[34567]86-*-netbsd* \
+ | i[34567]86-*-pe \
+ | m68hc11-*-* \
+ | m6811-*-* \
+ | m68hc12-*-* \
+ | m6812-*-* \
+ | m68k-*-uclinuxoldabi* \
+ | mcore-*-pe* \
+ | powerpc*-*-gnu* \
+ | score-* \
+ | sh*-*-symbianelf* \
+ | vax-*-netbsd* \
+ )
+ if test "x$enable_obsolete" != xyes; then
+ echo "*** Configuration ${target} is obsolete." >&2
+ echo "*** Specify --enable-obsolete to build it anyway." >&2
+ echo "*** Support will be REMOVED in the next major release of GCC," >&2
+ echo "*** unless a maintainer comes forward." >&2
+ exit 1
+ fi;;
+esac