From 04bb278e03b7a36b5a5682c77355c68aee632e78 Mon Sep 17 00:00:00 2001
From: Michał Górny <mgorny@gentoo.org>
Date: Thu, 16 Feb 2017 14:36:42 +0100
Subject: sys-libs/compiler-rt: Prefer building using clang

Add a USE=clang flag to prefer building using installed clang, to work
around limited/broken support for '#pragma redefine_extname' which
results in incomplete runtime being emitted when building using GCC.
---
 sys-libs/compiler-rt/metadata.xml | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sys-libs/compiler-rt/metadata.xml')

diff --git a/sys-libs/compiler-rt/metadata.xml b/sys-libs/compiler-rt/metadata.xml
index 89c4bdb96049..3b996021381a 100644
--- a/sys-libs/compiler-rt/metadata.xml
+++ b/sys-libs/compiler-rt/metadata.xml
@@ -4,4 +4,8 @@
 	<maintainer type="project">
 		<email>llvm@gentoo.org</email>
 	</maintainer>
+	<use>
+		<flag name='clang'>Force building using installed clang (rather
+			than the default CC/CXX).</flag>
+	</use>
 </pkgmetadata>
-- 
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