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From 9684a815e1cbe854383c3c511e1d84d43c46ec94 Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Fri, 21 Aug 2020 07:00:17 +0000
Subject: [PATCH 20/30] libstdc++: futex: add time64 compatibility

---
 libstdc++-v3/src/c++11/futex.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libstdc++-v3/src/c++11/futex.cc b/libstdc++-v3/src/c++11/futex.cc
index c9de11a7ec7..7be702dbeda 100644
--- a/libstdc++-v3/src/c++11/futex.cc
+++ b/libstdc++-v3/src/c++11/futex.cc
@@ -61,7 +61,15 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	struct timeval tv;
 	gettimeofday (&tv, NULL);
 	// Convert the absolute timeout value to a relative timeout
+#if defined(SYS_futex_time64)
+	struct
+	  {
+	    long tv_sec;
+	    long tv_nsec;
+	  } rt;
+#else
 	struct timespec rt;
+#endif
 	rt.tv_sec = __s.count() - tv.tv_sec;
 	rt.tv_nsec = __ns.count() - tv.tv_usec * 1000;
 	if (rt.tv_nsec < 0)
-- 
2.27.0