From 2f6799a42360a995b665244b922ebd3b2275c839 Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@mit.edu>
Date: Tue, 28 Jul 2015 10:38:10 -0400
Subject: Replace my bounds-checked numeric conversion with Boost’s
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Boost provides numeric_cast, which is much better than what I was using for
safe numeric type conversion.  This does introduce a Boost dependency, but that
tends to be true of most nontrivial C++ programs, so it’s pretty reasonable.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 9140509..763b8e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,6 +24,10 @@ AC_CONFIG_HEADERS([config.h])
 AC_PROG_CXX([clang++])
 AX_CXX_COMPILE_STDCXX_11([noext], [mandatory])
 
+AX_BOOST_BASE([1.48.0],
+  [],
+  [AC_MSG_FAILURE([Boost is required])])
+
 AC_CHECK_HEADERS([urweb/urweb_cpp.h],
   [],
   [AC_MSG_FAILURE([Ur/Web headers are required])])
-- 
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