From ca87eb4db4cabf3c46f9a599eaded138598f69a9 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 16 Dec 2016 20:18:34 +0300
Subject: Define BUTL_CXX17_UNCAUGHT_EXCEPTIONS for _LIBCPP_VERSION >= 1200

---
 butl/config | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'butl')

diff --git a/butl/config b/butl/config
index 71ebd23..02209c5 100644
--- a/butl/config
+++ b/butl/config
@@ -31,10 +31,10 @@
 #if defined(_MSC_VER)
 #  define BUTL_CXX17_UNCAUGHT_EXCEPTIONS
 //
-// Clang's libc++ seems to have it for a while so we assume it's there (it
-// doesn't define a feature test macros).
+// Clang's libc++ seems to have it for a while (but not before 1200) so we
+// assume it's there from 1200 (it doesn't define a feature test macros).
 //
-#elif defined(_LIBCPP_VERSION)
+#elif _LIBCPP_VERSION >= 1200
 #  define BUTL_CXX17_UNCAUGHT_EXCEPTIONS
 //
 // GCC libstdc++ has it since GCC 6 and it defines the feature test macro.
-- 
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