Move more declarations into <unistd.h>.

[gnulib.git] / m4 / readlink.m4

diff --git a/m4/readlink.m4 b/m4/readlink.m4
index b4a7f55..0834565 100644 (file)
--- a/m4/readlink.m4
+++ b/m4/readlink.m4
@@ -1,13 +1,15 @@
-# readlink.m4 serial 2
-dnl Copyright (C) 2003 Free Software Foundation, Inc.
+# readlink.m4 serial 3
+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_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_CHECK_FUNCS(readlink)
   if test $ac_cv_func_readlink = no; then
+    HAVE_READLINK=0
     AC_LIBOBJ(readlink)
     gl_PREREQ_READLINK
   fi