From 3368b91de9a3b975ab9353ab5927e5140332219f Mon Sep 17 00:00:00 2001
From: Karl Linden <karl.j.linden@gmail.com>
Date: Sun, 13 Dec 2015 10:05:10 +0100
Subject: [PATCH] Check for ppoll() in toplevel wscript.

---
 linux/wscript | 3 ---
 wscript       | 9 +++++++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/linux/wscript b/linux/wscript
index 4cca9e0b..a6682544 100644
--- a/linux/wscript
+++ b/linux/wscript
@@ -1,9 +1,6 @@
 #! /usr/bin/env python
 # encoding: utf-8
 
-def configure(conf):
-    conf.define('HAVE_PPOLL', 1 )
-
 def create_jack_driver_obj(bld, target, sources, uselib = None):
     driver = bld(features = ['c', 'cxx', 'cxxshlib', 'cshlib'])
     driver.env['cxxshlib_PATTERN'] = 'jack_%s.so'
diff --git a/wscript b/wscript
index 561373df..d2dccd5b 100644
--- a/wscript
+++ b/wscript
@@ -480,9 +480,14 @@ def configure(conf):
     # configure all auto options
     configure_auto_options(conf)
 
+    # Check for functions.
+    conf.check_cc(
+        function_name='ppoll',
+        header_name=['poll.h', 'signal.h'],
+        defines=['_GNU_SOURCE'],
+        mandatory=False)
+
     conf.recurse('common')
-    if conf.env['IS_LINUX']:
-        conf.recurse('linux')
     if Options.options.dbus:
         conf.recurse('dbus')
         if conf.env['BUILD_JACKDBUS'] != True: