1 files changed, 7 insertions, 2 deletions

diff --git a/gl/m4/ftello.m4 b/gl/m4/ftello.m4
index 0eb8fa0d..35d30f98 100644
--- a/gl/m4/ftello.m4
+++ b/gl/m4/ftello.m4
@@ -1,9 +1,10 @@
 # ftello.m4
-# serial 16
-dnl Copyright (C) 2007-2024 Free Software Foundation, Inc.
+# serial 17
+dnl Copyright (C) 2007-2025 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_FTELLO],
 [
@@ -157,6 +158,10 @@ main (void)
 # Prerequisites of lib/ftello.c.
 AC_DEFUN([gl_PREREQ_FTELLO],
 [
+  if test $gl_cv_func_ftello != no; then
+    AC_DEFINE([HAVE_FTELLO], [1],
+      [Define to 1 if the system has the ftello function.])
+  fi
   dnl Native Windows has the function _ftelli64. mingw hides it, but mingw64
   dnl makes it usable again.
   AC_CHECK_FUNCS([_ftelli64])