From 49dfd1f535ea906b2da10acfd2810aebd42c7c4d Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Thu, 26 Mar 2020 18:15:53 +0000
Subject: [PATCH] Move C++03 deprecation warnings to separate file and only
 warn for headers that need it.

---
 include/boost/math/constants/constants.hpp    |  1 +
 .../math/cstdfloat/cstdfloat_complex_std.hpp  |  1 +
 .../math/distributions/hyperexponential.hpp   |  1 +
 include/boost/math/quadrature/trapezoidal.hpp |  1 +
 include/boost/math/quaternion.hpp             |  1 +
 .../detail/bernoulli_details.hpp              |  1 +
 .../detail/unchecked_factorial.hpp            |  1 +
 .../math/special_functions/lambert_w.hpp      |  1 +
 .../boost/math/special_functions/legendre.hpp |  1 +
 include/boost/math/tools/atomic.hpp           |  1 +
 include/boost/math/tools/config.hpp           | 19 ------------
 include/boost/math/tools/cxx03_warn.hpp       | 30 +++++++++++++++++++
 .../math/tools/detail/is_const_iterable.hpp   |  3 ++
 include/boost/math/tools/polynomial.hpp       |  1 +
 include/boost/math/tools/recurrence.hpp       |  1 +
 include/boost/math/tools/roots.hpp            |  1 +
 include/boost/math/tools/tuple.hpp            |  1 +
 17 files changed, 47 insertions(+), 19 deletions(-)
 create mode 100644 include/boost/math/tools/cxx03_warn.hpp

diff --git a/include/boost/math/constants/constants.hpp b/include/boost/math/constants/constants.hpp
index 15e055888..6b57e4746 100644
--- a/include/boost/math/constants/constants.hpp
+++ b/include/boost/math/constants/constants.hpp
@@ -8,6 +8,7 @@
 #define BOOST_MATH_CONSTANTS_CONSTANTS_INCLUDED
 
 #include <boost/math/tools/config.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 #include <boost/math/policies/policy.hpp>
 #include <boost/math/tools/precision.hpp>
 #include <boost/math/tools/convert_from_string.hpp>
diff --git a/include/boost/math/cstdfloat/cstdfloat_complex_std.hpp b/include/boost/math/cstdfloat/cstdfloat_complex_std.hpp
index e7765c58f..d5969975a 100644
--- a/include/boost/math/cstdfloat/cstdfloat_complex_std.hpp
+++ b/include/boost/math/cstdfloat/cstdfloat_complex_std.hpp
@@ -19,6 +19,7 @@
 
   #include <complex>
   #include <boost/math/constants/constants.hpp>
+  #include <boost/math/tools/cxx03_warn.hpp>
 
   namespace std
   {
diff --git a/include/boost/math/distributions/hyperexponential.hpp b/include/boost/math/distributions/hyperexponential.hpp
index 18cd048b8..2a3993a1f 100644
--- a/include/boost/math/distributions/hyperexponential.hpp
+++ b/include/boost/math/distributions/hyperexponential.hpp
@@ -17,6 +17,7 @@
 
 
 #include <boost/config.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 #include <boost/math/distributions/complement.hpp>
 #include <boost/math/distributions/detail/common_error_handling.hpp>
 #include <boost/math/distributions/exponential.hpp>
diff --git a/include/boost/math/quadrature/trapezoidal.hpp b/include/boost/math/quadrature/trapezoidal.hpp
index 55c0b4f9b..2fa5814c2 100644
--- a/include/boost/math/quadrature/trapezoidal.hpp
+++ b/include/boost/math/quadrature/trapezoidal.hpp
@@ -21,6 +21,7 @@
 #include <boost/math/constants/constants.hpp>
 #include <boost/math/special_functions/fpclassify.hpp>
 #include <boost/math/policies/error_handling.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 
 namespace boost{ namespace math{ namespace quadrature {
 
diff --git a/include/boost/math/quaternion.hpp b/include/boost/math/quaternion.hpp
index 85187fc2f..1ba53ac63 100644
--- a/include/boost/math/quaternion.hpp
+++ b/include/boost/math/quaternion.hpp
@@ -25,6 +25,7 @@
 
 #include <boost/math/special_functions/sinc.hpp>    // for the Sinus cardinal
 #include <boost/math/special_functions/sinhc.hpp>    // for the Hyperbolic Sinus cardinal
+#include <boost/math/tools/cxx03_warn.hpp>
 
 #if defined(BOOST_NO_CXX11_NOEXCEPT) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || defined(BOOST_NO_SFINAE_EXPR)
 #include <boost/type_traits/is_pod.hpp>
diff --git a/include/boost/math/special_functions/detail/bernoulli_details.hpp b/include/boost/math/special_functions/detail/bernoulli_details.hpp
index 75e9db051..4ab3e557c 100644
--- a/include/boost/math/special_functions/detail/bernoulli_details.hpp
+++ b/include/boost/math/special_functions/detail/bernoulli_details.hpp
@@ -12,6 +12,7 @@
 #include <boost/math/tools/atomic.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <boost/math/tools/toms748_solve.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 #include <vector>
 
 namespace boost{ namespace math{ namespace detail{
diff --git a/include/boost/math/special_functions/detail/unchecked_factorial.hpp b/include/boost/math/special_functions/detail/unchecked_factorial.hpp
index a664b4564..09e3ee5eb 100644
--- a/include/boost/math/special_functions/detail/unchecked_factorial.hpp
+++ b/include/boost/math/special_functions/detail/unchecked_factorial.hpp
@@ -22,6 +22,7 @@
 #endif
 #include <cmath>
 #include <boost/math/special_functions/math_fwd.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 
 #ifdef BOOST_MATH_HAVE_CONSTEXPR_TABLES
 #include <array>
diff --git a/include/boost/math/special_functions/lambert_w.hpp b/include/boost/math/special_functions/lambert_w.hpp
index cc907df5c..5cd50fba7 100644
--- a/include/boost/math/special_functions/lambert_w.hpp
+++ b/include/boost/math/special_functions/lambert_w.hpp
@@ -62,6 +62,7 @@ BOOST_MATH_INSTRUMENT_LAMBERT_W_SMALL_Z_SERIES_ITERATIONS  // Show evaluation of
 #include <boost/type_traits/is_integral.hpp>
 #include <boost/math/tools/precision.hpp> // boost::math::tools::max_value().
 #include <boost/math/tools/big_constant.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 
 #include <limits>
 #include <cmath>
diff --git a/include/boost/math/special_functions/legendre.hpp b/include/boost/math/special_functions/legendre.hpp
index 1596edabe..dd66d8a47 100644
--- a/include/boost/math/special_functions/legendre.hpp
+++ b/include/boost/math/special_functions/legendre.hpp
@@ -17,6 +17,7 @@
 #include <boost/math/special_functions/factorials.hpp>
 #include <boost/math/tools/roots.hpp>
 #include <boost/math/tools/config.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 
 namespace boost{
 namespace math{
diff --git a/include/boost/math/tools/atomic.hpp b/include/boost/math/tools/atomic.hpp
index 29a48b824..d2b8022c6 100644
--- a/include/boost/math/tools/atomic.hpp
+++ b/include/boost/math/tools/atomic.hpp
@@ -8,6 +8,7 @@
 #define BOOST_MATH_ATOMIC_DETAIL_HPP
 
 #include <boost/config.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 
 #ifdef BOOST_HAS_THREADS
 
diff --git a/include/boost/math/tools/config.hpp b/include/boost/math/tools/config.hpp
index dcd50a312..9f5982256 100644
--- a/include/boost/math/tools/config.hpp
+++ b/include/boost/math/tools/config.hpp
@@ -26,25 +26,6 @@
 #  include <limits>
 #endif
 
-#if defined(BOOST_NO_CXX11_NOEXCEPT) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || defined(BOOST_NO_SFINAE_EXPR)\
-      || defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) || defined(BOOST_NO_CXX11_LAMBDAS) || defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)\
-      || defined(BOOST_NO_CXX11_HDR_TUPLE) || defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) || defined(BOOST_NO_CXX11_HDR_CHRONO)\
-      || defined(BOOST_NO_CXX11_THREAD_LOCAL) || defined(BOOST_NO_CXX11_CONSTEXPR) || defined(BOOST_NO_CXX11_NULLPTR)\
-      || defined(BOOST_NO_CXX11_NUMERIC_LIMITS) || defined(BOOST_NO_CXX11_DECLTYPE) || defined(BOOST_NO_CXX11_HDR_ARRAY)\
-      || defined(BOOST_NO_CXX11_ALLOCATOR) || defined(BOOST_NO_CXX11_HDR_ATOMIC) || defined(BOOST_NO_CXX11_NOEXCEPT)\
-      || defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
-//
-// The above list includes everything we use, plus a few we're likely to use soon.
-// As from March 2020, C++03 support is deprecated, and as from March 2021 will be removed,
-// so mark up as such:
-//
-#if (defined(_MSC_VER) || defined(__GNUC__)) && !defined(BOOST_MATH_DISABLE_DEPRECATED_03_WARNING)
-#pragma message("CAUTION: One or more C++11 features were found to be unavailable")
-#pragma message("CAUTION: Compiling Boost.Math in pre-C++11 conformance modes is now deprecated and will be removed from March 2021.")
-#pragma message("CAUTION: Define BOOST_MATH_DISABLE_DEPRECATED_03_WARNING to suppress this message.")
-#endif
-#endif
-
 #include <boost/math/tools/user.hpp>
 
 #if (defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__NetBSD__) \
diff --git a/include/boost/math/tools/cxx03_warn.hpp b/include/boost/math/tools/cxx03_warn.hpp
new file mode 100644
index 000000000..f40a35955
--- /dev/null
+++ b/include/boost/math/tools/cxx03_warn.hpp
@@ -0,0 +1,30 @@
+//  Copyright (c) 2020 John Maddock
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_MATH_TOOLS_CXX03_WARN_HPP
+#define BOOST_MATH_TOOLS_CXX03_WARN_HPP
+
+#include <boost/config/pragma_message.hpp>
+
+#if defined(BOOST_NO_CXX11_NOEXCEPT) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || defined(BOOST_NO_SFINAE_EXPR)\
+      || defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) || defined(BOOST_NO_CXX11_LAMBDAS) || defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)\
+      || defined(BOOST_NO_CXX11_HDR_TUPLE) || defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) || defined(BOOST_NO_CXX11_HDR_CHRONO)\
+      || defined(BOOST_NO_CXX11_THREAD_LOCAL) || defined(BOOST_NO_CXX11_CONSTEXPR) || defined(BOOST_NO_CXX11_NULLPTR)\
+      || defined(BOOST_NO_CXX11_NUMERIC_LIMITS) || defined(BOOST_NO_CXX11_DECLTYPE) || defined(BOOST_NO_CXX11_HDR_ARRAY)\
+      || defined(BOOST_NO_CXX11_ALLOCATOR) || defined(BOOST_NO_CXX11_HDR_ATOMIC) || defined(BOOST_NO_CXX11_NOEXCEPT)\
+      || defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
+//
+// The above list includes everything we use, plus a few we're likely to use soon.
+// As from March 2020, C++03 support is deprecated, and as from March 2021 will be removed,
+// so mark up as such:
+//
+#if (defined(_MSC_VER) || defined(__GNUC__)) && !defined(BOOST_MATH_DISABLE_DEPRECATED_03_WARNING)
+BOOST_PRAGMA_MESSAGE("CAUTION: One or more C++11 features were found to be unavailable")
+BOOST_PRAGMA_MESSAGE("CAUTION: Compiling Boost.Math in pre-C++11 conformance modes is now deprecated and will be removed from March 2021.")
+BOOST_PRAGMA_MESSAGE("CAUTION: Define BOOST_MATH_DISABLE_DEPRECATED_03_WARNING to suppress this message.")
+#endif
+#endif
+
+#endif
diff --git a/include/boost/math/tools/detail/is_const_iterable.hpp b/include/boost/math/tools/detail/is_const_iterable.hpp
index 805b66e22..7d04adb1f 100644
--- a/include/boost/math/tools/detail/is_const_iterable.hpp
+++ b/include/boost/math/tools/detail/is_const_iterable.hpp
@@ -6,6 +6,9 @@
 #ifndef BOOST_MATH_TOOLS_IS_CONST_ITERABLE_HPP
 #define BOOST_MATH_TOOLS_IS_CONST_ITERABLE_HPP
 
+#include <boost/config.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
+
 #if !defined(BOOST_NO_CXX14_VARIABLE_TEMPLATES) && !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_CXX11_SFINAE_EXPR)
 
 #define BOOST_MATH_HAS_IS_CONST_ITERABLE
diff --git a/include/boost/math/tools/polynomial.hpp b/include/boost/math/tools/polynomial.hpp
index 80f17a2f7..5e927c37d 100644
--- a/include/boost/math/tools/polynomial.hpp
+++ b/include/boost/math/tools/polynomial.hpp
@@ -15,6 +15,7 @@
 
 #include <boost/assert.hpp>
 #include <boost/config.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 #ifdef BOOST_NO_CXX11_LAMBDAS
 #include <boost/lambda/lambda.hpp>
 #endif
diff --git a/include/boost/math/tools/recurrence.hpp b/include/boost/math/tools/recurrence.hpp
index d30130872..410238047 100644
--- a/include/boost/math/tools/recurrence.hpp
+++ b/include/boost/math/tools/recurrence.hpp
@@ -10,6 +10,7 @@
 #include <boost/math/tools/precision.hpp>
 #include <boost/math/tools/tuple.hpp>
 #include <boost/math/tools/fraction.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 
 #ifdef BOOST_NO_CXX11_HDR_TUPLE
 #error "This header requires C++11 support"
diff --git a/include/boost/math/tools/roots.hpp b/include/boost/math/tools/roots.hpp
index 145f4947f..853334b04 100644
--- a/include/boost/math/tools/roots.hpp
+++ b/include/boost/math/tools/roots.hpp
@@ -20,6 +20,7 @@
 #include <boost/cstdint.hpp>
 #include <boost/assert.hpp>
 #include <boost/throw_exception.hpp>
+#include <boost/math/tools/cxx03_warn.hpp>
 
 #ifdef BOOST_MSVC
 #pragma warning(push)
diff --git a/include/boost/math/tools/tuple.hpp b/include/boost/math/tools/tuple.hpp
index 81de59fa3..7ca57a1b6 100644
--- a/include/boost/math/tools/tuple.hpp
+++ b/include/boost/math/tools/tuple.hpp
@@ -7,6 +7,7 @@
 #  define BOOST_MATH_TUPLE_HPP_INCLUDED
 #  include <boost/config.hpp>
 #  include <boost/detail/workaround.hpp>
+#  include <boost/math/tools/cxx03_warn.hpp>
 
 #if !defined(BOOST_NO_CXX11_HDR_TUPLE) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)