From 1e67e5aba46a55d45f79cf8b715654f9b8803f19 Mon Sep 17 00:00:00 2001
From: Stephan Seitz <stephan.seitz@fau.de>
Date: Fri, 19 Aug 2022 19:55:17 +0200
Subject: [PATCH] fix: use feature test macros for usage of <format>

Fixes #1394
---
 VulkanHppGenerator.cpp      | 4 ++--
 vulkan/vulkan_to_string.hpp | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/VulkanHppGenerator.cpp b/VulkanHppGenerator.cpp
index 256a930..9e47441 100644
--- a/VulkanHppGenerator.cpp
+++ b/VulkanHppGenerator.cpp
@@ -516,7 +516,7 @@ void VulkanHppGenerator::generateVulkanToStringHppFile() const
 
 #include <vulkan/vulkan_enums.hpp>
 
-#if ( ( 20 <= VULKAN_HPP_CPP_VERSION ) && __has_include( <format> ) )
+#if __cpp_lib_format
 #  include <format>   // std::format
 #else
 #  include <sstream>  // std::stringstream
@@ -5034,7 +5034,7 @@ std::string VulkanHppGenerator::generateEnumsToString() const
 
   VULKAN_HPP_INLINE std::string toHexString( uint32_t value )
   {
-#if ( ( 20 <= VULKAN_HPP_CPP_VERSION ) && __has_include( <format> ) )
+#if __cpp_lib_format
     return std::format( "{:x}", value );
 #else
     std::stringstream stream;
diff --git a/vulkan/vulkan_to_string.hpp b/vulkan/vulkan_to_string.hpp
index 2e054d0..0595401 100644
--- a/vulkan/vulkan_to_string.hpp
+++ b/vulkan/vulkan_to_string.hpp
@@ -10,7 +10,7 @@
 
 #include <vulkan/vulkan_enums.hpp>
 
-#if ( ( 20 <= VULKAN_HPP_CPP_VERSION ) && __has_include( <format> ) )
+#if __cpp_lib_format
 #  include <format>  // std::format
 #else
 #  include <sstream>  // std::stringstream
@@ -2949,7 +2949,7 @@ namespace VULKAN_HPP_NAMESPACE
 
   VULKAN_HPP_INLINE std::string toHexString( uint32_t value )
   {
-#if ( ( 20 <= VULKAN_HPP_CPP_VERSION ) && __has_include( <format> ) )
+#if __cpp_lib_format
     return std::format( "{:x}", value );
 #else
     std::stringstream stream;