From 011d8001e295ab428f3d73602d2e4fa0b248efc4 Mon Sep 17 00:00:00 2001
From: theraven <theraven@FreeBSD.org>
Date: Thu, 3 May 2012 17:44:07 +0000
Subject: Import new version of libc++.  Among other improvements, this comes
 with an <atomic> header that works with clang 3.1 (and, importantly, the
 pre-3.1 snapshot currently in head)

---
 contrib/libc++/src/stdexcept.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'contrib/libc++/src/stdexcept.cpp')

diff --git a/contrib/libc++/src/stdexcept.cpp b/contrib/libc++/src/stdexcept.cpp
index b516b0c..9fa4f59 100644
--- a/contrib/libc++/src/stdexcept.cpp
+++ b/contrib/libc++/src/stdexcept.cpp
@@ -15,7 +15,11 @@
 #include <cstdint>
 #include <cstddef>
 #include "system_error"
+
+// Use <cxxabi.h> to determine whether we're linking against libc++abi.
+#if __has_include(<cxxabi.h>)
 #include <cxxabi.h>
+#endif
 
 // Note:  optimize for size
 
-- 
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