-# readlink.m4 serial 2
-dnl Copyright (C) 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.
+# readlink.m4 serial 4
+dnl Copyright (C) 2003, 2007 Free Software Foundation, 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.
AC_DEFUN([gl_FUNC_READLINK],
[
- AC_CHECK_FUNCS(readlink)
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([readlink])
if test $ac_cv_func_readlink = no; then
+ HAVE_READLINK=0
AC_LIBOBJ(readlink)
gl_PREREQ_READLINK
fi
])
+# Like gl_FUNC_READLINK, except prepare for separate compilation (no AC_LIBOBJ).
+AC_DEFUN([gl_FUNC_READLINK_SEPARATE],
+[
+ AC_CHECK_FUNCS_ONCE([readlink])
+ gl_PREREQ_READLINK
+])
+
# Prerequisites of lib/readlink.c.
AC_DEFUN([gl_PREREQ_READLINK],
[