diff -ur a/configure.ac b/configure.ac
--- a/configure.ac	2007-01-05 13:58:04 +0000
+++ b/configure.ac	2007-08-16 09:17:29 +0100
@@ -2249,6 +2249,10 @@
   zsh_cv_sys_elf=yes,
   zsh_cv_sys_elf=no,
   zsh_cv_sys_elf=yes)])
+  
+  # We use [0-9]* in case statements, so need to change quoting
+  changequote(, )
+
   DL_EXT="${DL_EXT=so}"
   if test x$zsh_cv_sys_elf = xyes; then
     case "$host" in
@@ -2352,6 +2356,10 @@
       esac
     ;;
   esac
+
+  # Done with our shell code, so restore autotools quoting
+  changequote([, ])
+  
   AC_CACHE_CHECK(if your dlsym() needs a leading underscore,
    zsh_cv_func_dlsym_needs_underscore,
    [echo failed >conftestval && cat >conftest.c <<EOM