-#serial 5
+# getline.m4 serial 7
+dnl Copyright (C) 1998-2002 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.
+
+AC_PREREQ(2.52)
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 have a function by that name in -linet that doesn't have anything
dnl to do with the function we need.
AC_DEFUN([AM_FUNC_GETLINE],
-[dnl
+[
+ dnl Persuade glibc <stdio.h> to declare getline() and getdelim().
+ AC_REQUIRE([AC_GNU_SOURCE])
+
am_getline_needs_run_time_check=no
AC_CHECK_FUNC(getline,
dnl Found it in some library. Verify that it works.
[echo fooN |tr -d '\012'|tr N '\012' > conftest.data
AC_TRY_RUN([
# include <stdio.h>
-# include <sys/types.h>
+# include <stdlib.h>
# include <string.h>
int main ()
{ /* Based on a test program from Karl Heuer. */
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)
+ gl_PREREQ_GETLINE
fi
])
+
+# Prerequisites of lib/getline.c.
+AC_DEFUN([gl_PREREQ_GETLINE],
+[
+ AC_CHECK_FUNCS(getdelim)
+])