From 8977237f8ad5015a8cd6c0fdea9214a84bb73cb0 Mon Sep 17 00:00:00 2001
From: Vinnie Falco <vinnie.falco@gmail.com>
Date: Wed, 9 Aug 2017 16:29:06 -0700
Subject: [PATCH] Use #error in config.hpp

---
 CHANGELOG.md                   | 1 +
 include/boost/beast/config.hpp | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 884b670b..d3454f6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 Version 104:
 
 * Remove unused include
+* Use #error in config.hpp
 
 --------------------------------------------------------------------------------
 
diff --git a/include/boost/beast/config.hpp b/include/boost/beast/config.hpp
index 07abf2f9..b6d86acb 100644
--- a/include/boost/beast/config.hpp
+++ b/include/boost/beast/config.hpp
@@ -26,12 +26,12 @@
 
 #if defined(BOOST_MSVC)
 # if BOOST_MSVC_FULL_VER < 190024210
-   static_assert(false, "Beast requires C++11: Visual Studio 2015 Update 3 or later needed");
+#  error Beast requires C++11: Visual Studio 2015 Update 3 or later needed
 # endif
 
 #elif defined(BOOST_GCC)
 # if(BOOST_GCC < 40801)
-    static_assert(false, "Beast requires C++11: gcc version 4.8 or later needed");
+#  error Beast requires C++11: gcc version 4.8 or later needed
 # endif
 
 #else
@@ -40,7 +40,7 @@
     defined(BOOST_NO_CXX11_HDR_TUPLE) || \
     defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) || \
     defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
-    static_assert(false, "Beast requires C++11: a conforming compiler is needed");
+#  error Beast requires C++11: a conforming compiler is needed
 # endif
 
 #endif