From aab7e1c1217ca5e5eb4ac051d163358c3a062c64 Mon Sep 17 00:00:00 2001
From: Ivan Matek <libbooze@gmail.com>
Date: Sun, 29 Aug 2021 23:02:22 +0200
Subject: [PATCH] fix spaceship support macro check, proper order of includes
 in test

---
 test/is_clamped_test.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/test/is_clamped_test.cpp b/test/is_clamped_test.cpp
index d5ea2b1..e2d5cba 100644
--- a/test/is_clamped_test.cpp
+++ b/test/is_clamped_test.cpp
@@ -3,11 +3,11 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#include <boost/algorithm/clamp.hpp>
 #include <boost/algorithm/is_clamped.hpp>
+#include <boost/algorithm/clamp.hpp>
 #include <cmath>
 #include <cstdint>
-#ifdef __cpp_impl_three_way_comparison
+#ifdef __cpp_impl_three_way_comparison &&__has_include(<compare>)
 #include <compare>
 #endif
 #include <limits>
@@ -167,7 +167,7 @@ void test_constexpr() {
 }
 
 
-#ifdef __cpp_impl_three_way_comparison
+#ifdef __cpp_impl_three_way_comparison &&__has_include(<compare>)
 struct custom_with_spaceship {
   int v;
   auto operator<=>(const custom_with_spaceship&) const = default;
@@ -175,7 +175,7 @@ struct custom_with_spaceship {
 #endif
 
 void test_spaceship() {
-  #ifdef __cpp_impl_three_way_comparison
+  #ifdef __cpp_impl_three_way_comparison &&__has_include(<compare>)
   //  Inside the range, equal to the endpoints, and outside the endpoints.
   const custom_with_spaceship c0(0);
   const custom_with_spaceship c1(1);