deleted file mode 100755
--- a/lib/gen-uio
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/bin/sh
-
-fail=0
-cat <<\EOF || fail=1
-#ifndef UNLOCKED_IO_H
-# define UNLOCKED_IO_H 1
-
-# ifndef USE_UNLOCKED_IO
-#  define USE_UNLOCKED_IO 1
-# endif
-
-# if USE_UNLOCKED_IO
-
-/* These are wrappers for functions/macros from GNU libc.
-   The standard I/O functions are thread-safe.  These *_unlocked ones are
-   more efficient but not thread-safe.  That they're not thread-safe is
-   fine since all of the applications in this package are single threaded.  */
-
-EOF
-
-for f in $@; do
-  u=`echo $f|tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
-  cat <<EOF || fail=1
-#  if HAVE_${u}_UNLOCKED
-#   undef $f
-EOF
-  case $f in
-    getchar)
-      params=;;
-    putchar | clearerr | feof | ferror | fflush | getc )
-      params=x;;
-    putc | fputc | fputs )
-      params=x,y;;
-    fgets )
-      params=x,y,z;;
-    fread | fwrite )
-      params=w,x,y,z;;
-    *)
-      echo $0: missing case for $f 2>&1; fail=1;;
-  esac
-  cat <<EOF || fail=1
-#   define $f($params) ${f}_unlocked ($params)
-#  endif
-EOF
-done
-
-cat <<\EOF || fail=1
-
-# endif /* USE_UNLOCKED_IO */
-#endif /* UNLOCKED_IO_H */
-EOF
-
-(exit $fail); exit