From 0868e9c92ca3a26e2b64cb13ee3bcdb8e39da979 Mon Sep 17 00:00:00 2001
From: "Gary E. Miller" <gem@rellim.com>
Date: Tue, 16 Aug 2016 12:58:25 -0700
Subject: If you specify XOPEN version, you must specify POSIX version.

This fixes 32-bit Gentoo on RasPi.

All regression tests pass.
---
 driver_tsip.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'driver_tsip.c')

diff --git a/driver_tsip.c b/driver_tsip.c
index c87a1064..34a53e83 100644
--- a/driver_tsip.c
+++ b/driver_tsip.c
@@ -16,6 +16,8 @@
 /* if we insist on C99, then we need this to get M_LN2 from math.h */
 /* 500 mean X/Open 1995 */
 #define _XOPEN_SOURCE 500
+/* round() needs  _POSIX_C_SOURCE >= 200112L */
+#define  _POSIX_C_SOURCE 200112L
 
 #include <sys/time.h>		/* for select() */
 #include <string.h>
-- 
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