From c130a785e4f6dbf222ac1e702837a2e3de89e691 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 6 Dec 2016 20:44:40 +0000
Subject: [PATCH] During the bootstrap phase, when building the minimal llvm
 library on PowerPC, add lib/Support/Atomic.cpp.  This is needed because
 upstream llvm revision r271821 disabled the use of std::call_once, which
 causes some fallback functions from Atomic.cpp to be used instead.

Reported by:	Mark Millard
PR:		214902
X-MFC-With:	309124
---
 lib/clang/libllvmminimal/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/clang/libllvmminimal/Makefile b/lib/clang/libllvmminimal/Makefile
index 7358d625b485..445e91e45cc4 100644
--- a/lib/clang/libllvmminimal/Makefile
+++ b/lib/clang/libllvmminimal/Makefile
@@ -7,6 +7,9 @@ INTERNALLIB=
 
 SRCDIR=		lib
 SRCS+=		Support/APInt.cpp
+.if ${MACHINE_ARCH:Mpowerpc*} != ""
+SRCS+=		Support/Atomic.cpp
+.endif
 SRCS+=		Support/CommandLine.cpp
 SRCS+=		Support/ConvertUTF.c
 SRCS+=		Support/ConvertUTFWrapper.cpp