-# getline.m4 serial 15
+# getline.m4 serial 18
-dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006 Free Software
-dnl Foundation, Inc.
+dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2007 Free
+dnl Software Foundation, Inc.
dnl
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.
-AC_PREREQ(2.52)
+AC_PREREQ([2.59])
dnl See if there's a working, system-supplied version of the getline function.
dnl We can't just do AC_REPLACE_FUNCS(getline) because some systems
dnl to do with the function we need.
AC_DEFUN([gl_FUNC_GETLINE],
[
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+
dnl Persuade glibc <stdio.h> to declare getline().
- AC_REQUIRE([AC_GNU_SOURCE])
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
- AC_CHECK_DECLS([getline])
+ AC_CHECK_DECLS_ONCE([getline])
gl_getline_needs_run_time_check=no
AC_CHECK_FUNC(getline,
)])
fi
+ if test $ac_cv_have_decl_getline = no; then
+ HAVE_DECL_GETLINE=0
+ fi
+
if test $am_cv_func_working_getline = no; then
- dnl We must choose a different name for our function, since on ELF systems
- dnl a broken getline() in libc.so would override our getline() in
- dnl libgettextlib.so.
- AC_DEFINE([getline], [gnu_getline],
- [Define to a replacement function name for getline().])
- AC_LIBOBJ(getline)
+ REPLACE_GETLINE=1
+ AC_LIBOBJ([getline])
gl_PREREQ_GETLINE
fi