maint: update copyright

[gnulib.git] / m4 / getpass.m4

diff --git a/m4/getpass.m4 b/m4/getpass.m4
index c6ec427..cf545a6 100644 (file)
--- a/m4/getpass.m4
+++ b/m4/getpass.m4
@@ -1,5 +1,5 @@
-# getpass.m4 serial 12
-dnl Copyright (C) 2002-2003, 2005-2006, 2009-2011 Free Software Foundation,
+# getpass.m4 serial 14
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2014 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,
@@ -11,10 +11,12 @@ AC_DEFUN([gl_FUNC_GETPASS],
   dnl Persuade Solaris <unistd.h> and <stdlib.h> to declare getpass().
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
 
-  AC_REPLACE_FUNCS([getpass])
+  AC_CHECK_FUNCS([getpass])
   AC_CHECK_DECLS_ONCE([getpass])
-  if test $ac_cv_func_getpass = no; then
-    gl_PREREQ_GETPASS
+  if test $ac_cv_func_getpass = yes; then
+    HAVE_GETPASS=1
+  else
+    HAVE_GETPASS=0
   fi
 ])
 
@@ -27,13 +29,15 @@ 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])
-  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
-  dnl compiled into a shared library.
-  AC_DEFINE([getpass], [gnu_getpass],
-    [Define to a replacement function name for getpass().])
+  REPLACE_GETPASS=1
+
+  if test $REPLACE_GETPASS = 1; then
+    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
+    dnl compiled into a shared library.
+    AC_DEFINE([getpass], [gnu_getpass],
+      [Define to a replacement function name for getpass().])
+  fi
 ])
 
 # Prerequisites of lib/getpass.c.
@@ -41,10 +45,10 @@ AC_DEFUN([gl_PREREQ_GETPASS], [
   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])
+    [[#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])