From 553c36edf0e39407a49732ca3558eca4eacb5f63 Mon Sep 17 00:00:00 2001
From: Martin Pieuchot <mpi@cvs.openbsd.org>
Date: Mon, 29 May 2017 21:19:31 +0000
Subject: Enable futex-based mutex and condvar.

ok everybody
---
 lib/librthread/Makefile | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/librthread/Makefile b/lib/librthread/Makefile
index 7eed6fedfca..9328326cc61 100644
--- a/lib/librthread/Makefile
+++ b/lib/librthread/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.43 2016/06/01 04:34:18 tedu Exp $
+#	$OpenBSD: Makefile,v 1.44 2017/05/29 21:19:30 mpi Exp $
 
 LIB=pthread
 LIBCSRCDIR=	${.CURDIR}/../libc
@@ -39,10 +39,17 @@ SRCS=	rthread.c \
 	rthread_sig.c \
 	rthread_stack.c \
 	rthread_spin_lock.c \
-	rthread_sync.c \
 	rthread_tls.c \
 	sched_prio.c
 
+.if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "i386"
+CFLAGS+= -DFUTEX
+SRCS+=	rthread_mutex.c \
+	rthread_cond.c
+.else
+SRCS+=	rthread_sync.c
+.endif
+
 OBJS+= _atomic_lock.o
 
 SRCDIR= ${.CURDIR}/../libpthread
-- 
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