From: Simon Josefsson <simon@josefsson.org>
Date: Tue, 7 Mar 2006 13:33:04 +0000 (+0000)
Subject: Add, forgotten in last commit.
X-Git-Tag: cvs-readonly~2500
X-Git-Url: http://erislabs.org.uk/gitweb/?a=commitdiff_plain;h=0293f1a78c205d9fa4fe48ecf60e831b40efea75;p=gnulib.git

Add, forgotten in last commit.
---

diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4
new file mode 100644
index 000000000..86ac50fa6
--- /dev/null
+++ b/m4/unistd_h.m4
@@ -0,0 +1,18 @@
+# unistd_h.m4 serial 1
+dnl Copyright (C) 2006 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.
+
+dnl Written by Simon Josefsson
+
+AC_DEFUN([gl_UNISTD],
+[
+  dnl Prerequisites of lib/unistd.h.
+  AC_CHECK_HEADERS([unistd.h], [
+    UNISTD_H=''
+  ], [
+    UNISTD_H='unistd.h'
+  ])
+  AC_SUBST(UNISTD_H)
+])