From 82482c7c1f6b365baa452faa03d1b46b293d1903 Mon Sep 17 00:00:00 2001
From: Enji Cooper <ngie@FreeBSD.org>
Date: Tue, 25 Jul 2017 16:11:36 +0000
Subject: [PATCH] Mask issues with duplicate definitions for __fnstcw,
 __fldenv, and __fldcw on i386 by ignoring -Wmacro-redefined.

This is a bandaid until the code is fixed and will be reverted before MFC.
---
 lib/msun/tests/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/msun/tests/Makefile b/lib/msun/tests/Makefile
index 949b0a5b7aad..121c106c1e8e 100644
--- a/lib/msun/tests/Makefile
+++ b/lib/msun/tests/Makefile
@@ -84,6 +84,10 @@ SRCS.ilogb2_test=	ilogb_test.c
 
 LIBADD+=	m
 
+.if ${MACHINE_CPUARCH} == "i386"
+# XXX: __fldcw macro mismatch between fenv.h and ieeefp.h .
+CWARNFLAGS.clang+=	-Wno-error=macro-redefined
+.endif
 WARNS?=		1
 
 # Copied from lib/msun/Makefile