X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgetpass.m4;h=cb80a65c528b3d5ea9ff08c13c17c82faaf645c6;hb=b4e5a5f11bd67ce5435b5ecf43b7fb6a81ba62a0;hp=29c9d6eefd75ac9379f1af54ba5645f8c6f9acaa;hpb=64d6ea0ae39513d02468ab04d43e3459a5a0f4ca;p=gnulib.git

diff --git a/m4/getpass.m4 b/m4/getpass.m4
index 29c9d6eef..cb80a65c5 100644
--- a/m4/getpass.m4
+++ b/m4/getpass.m4
@@ -1,15 +1,15 @@
-# 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
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# getpass.m4 serial 11
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2010 Free Software Foundation,
+dnl 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.
 
 # Provide a getpass() function if the system doesn't have it.
 AC_DEFUN([gl_FUNC_GETPASS],
 [
-  AC_REPLACE_FUNCS(getpass)
+  AC_REPLACE_FUNCS([getpass])
+  AC_CHECK_DECLS_ONCE([getpass])
   if test $ac_cv_func_getpass = no; then
     gl_PREREQ_GETPASS
   fi
@@ -19,8 +19,9 @@ AC_DEFUN([gl_FUNC_GETPASS],
 # arbitrary length (not just 8 bytes as on HP-UX).
 AC_DEFUN([gl_FUNC_GETPASS_GNU],
 [
+  AC_CHECK_DECLS_ONCE([getpass])
   dnl TODO: Detect when GNU getpass() is already found in glibc.
-  AC_LIBOBJ(getpass)
+  AC_LIBOBJ([getpass])
   gl_PREREQ_GETPASS
   dnl We must choose a different name for our function, since on ELF systems
   dnl an unusable getpass() in libc.so would override our getpass() if it is
@@ -31,7 +32,17 @@ AC_DEFUN([gl_FUNC_GETPASS_GNU],
 
 # Prerequisites of lib/getpass.c.
 AC_DEFUN([gl_PREREQ_GETPASS], [
-  AC_CHECK_HEADERS_ONCE(stdio_ext.h)
+  AC_CHECK_HEADERS_ONCE([stdio_ext.h termios.h])
+  AC_CHECK_FUNCS_ONCE([__fsetlocking tcgetattr tcsetattr])
+  AC_CHECK_DECLS([__fsetlocking],,,
+    [#include <stdio.h>
+     #if HAVE_STDIO_EXT_H
+      #include <stdio_ext.h>
+     #endif])
+  AC_CHECK_DECLS_ONCE([fflush_unlocked])
+  AC_CHECK_DECLS_ONCE([flockfile])
+  AC_CHECK_DECLS_ONCE([fputs_unlocked])
+  AC_CHECK_DECLS_ONCE([funlockfile])
+  AC_CHECK_DECLS_ONCE([putc_unlocked])
   :
 ])
-