Fixes following problem building glibc-2.3.3 with gcc-4.0:

checking version of i686-unknown-linux-gnu-gcc ... 4.0.0, bad
checking for gnumake... no
checking for gmake... gmake
checking version of gmake... 3.79.1, ok
checking for gnumsgfmt... no
checking for gmsgfmt... no
checking for msgfmt... msgfmt
checking version of msgfmt... 0.11.4, ok
checking for makeinfo... makeinfo
checking version of makeinfo... 4.3, ok
checking for sed... sed
checking version of sed... 4.0.5, ok
checking for autoconf... autoconf
checking whether autoconf works... yes
configure: error:
*** These critical programs are missing or too old: gcc

--- glibc-2.3.3/configure.old	Mon Mar 14 12:01:10 2005
+++ glibc-2.3.3/configure	Mon Mar 14 12:02:03 2005
@@ -3899,7 +3899,7 @@
   ac_prog_version=`$CC -v 2>&1 | sed -n 's/^.*version \([egcygnustpi-]*[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
-    3.[2-9]*)
+    3.[2-9]*|4.[01]*)
        ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;