From 023f45be010eb0d6841e7c6bb7167050cd57bd32 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Sun, 30 Sep 2018 01:34:50 +0300
Subject: [PATCH] Remove constexpr from begin/end on g++ 4.6 as it doesn't like
 it

---
 include/boost/range/begin.hpp | 12 ++++++++++--
 include/boost/range/end.hpp   | 12 ++++++++++--
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/include/boost/range/begin.hpp b/include/boost/range/begin.hpp
index 0d7d3db1c..4f53d4688 100644
--- a/include/boost/range/begin.hpp
+++ b/include/boost/range/begin.hpp
@@ -22,6 +22,8 @@
 #else
 
 #include <boost/range/iterator.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
 
 namespace boost
 {
@@ -94,7 +96,10 @@ namespace range_adl_barrier
 {
 
 template< class T >
-BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type begin( T& r )
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+BOOST_CONSTEXPR
+#endif
+inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type begin( T& r )
 {
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
     using namespace range_detail;
@@ -103,7 +108,10 @@ BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type begin( T&
 }
 
 template< class T >
-BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<const T>::type begin( const T& r )
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+BOOST_CONSTEXPR
+#endif
+inline BOOST_DEDUCED_TYPENAME range_iterator<const T>::type begin( const T& r )
 {
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
     using namespace range_detail;
diff --git a/include/boost/range/end.hpp b/include/boost/range/end.hpp
index 588495cee..eab4fa9f5 100644
--- a/include/boost/range/end.hpp
+++ b/include/boost/range/end.hpp
@@ -24,6 +24,8 @@
 #include <boost/range/detail/implementation_help.hpp>
 #include <boost/range/iterator.hpp>
 #include <boost/range/const_iterator.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
 
 namespace boost
 {
@@ -88,7 +90,10 @@ namespace range_adl_barrier
 {
 
 template< class T >
-BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type end( T& r )
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+BOOST_CONSTEXPR
+#endif
+inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type end( T& r )
 {
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
     using namespace range_detail;
@@ -97,7 +102,10 @@ BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type end( T& r
 }
 
 template< class T >
-BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<const T>::type end( const T& r )
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+BOOST_CONSTEXPR
+#endif
+inline BOOST_DEDUCED_TYPENAME range_iterator<const T>::type end( const T& r )
 {
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
     using namespace range_detail;