remove trailing blank

[gnulib.git] / m4 / getpass.m4

diff --git a/m4/getpass.m4 b/m4/getpass.m4
index 1a349c7..4449bc5 100644 (file)
--- a/m4/getpass.m4
+++ b/m4/getpass.m4
@@ -1,4 +1,4 @@
-# getpass.m4 serial 2
+# getpass.m4 serial 3
 dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
@@ -19,6 +19,7 @@ AC_DEFUN([gl_FUNC_GETPASS],
 # arbitrary length (not just 8 bytes as on HP-UX).
 AC_DEFUN([gl_FUNC_GETPASS_GNU],
 [
+  dnl TODO: Detect when GNU getpass() is already found in glibc.
   AC_LIBOBJ(getpass)
   gl_PREREQ_GETPASS
   dnl We must choose a different name for our function, since on ELF systems
@@ -30,6 +31,6 @@ AC_DEFUN([gl_FUNC_GETPASS_GNU],
 
 # Prerequisites of lib/getpass.c.
 AC_DEFUN([gl_PREREQ_GETPASS], [
+  AC_CHECK_HEADERS_ONCE(stdio_ext.h)
   :
 ])
-