From 651fc42cab4f1f8a664f6ff964be0fb9d4c7dfe1 Mon Sep 17 00:00:00 2001
From: H1X4 <10332146+H1X4Dev@users.noreply.github.com>
Date: Fri, 31 Mar 2023 19:27:10 +0300
Subject: [PATCH] update fmt_runtime_string macro

---
 include/spdlog/common.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/spdlog/common.h b/include/spdlog/common.h
index ddd9fd67..dfe7c76c 100644
--- a/include/spdlog/common.h
+++ b/include/spdlog/common.h
@@ -173,10 +173,11 @@ using format_string_t = fmt::format_string<Args...>;
 template<class T>
 using remove_cvref_t = typename std::remove_cv<typename std::remove_reference<T>::type>::type;
 
+template <typename Char>
 #if FMT_VERSION >= 90101
-# define FMT_STRING_RUNTIME fmt::runtime_format_string<Char>
+using fmt_runtime_string = fmt::runtime_format_string<Char>;
 #else
-# define FMT_STRING_RUNTIME fmt::basic_runtime<Char>
+using fmt_runtime_string = fmt::basic_runtime<Char>;
 #endif
 
 // clang doesn't like SFINAE disabled constructor in std::is_convertible<> so have to repeat the condition from basic_format_string here,
@@ -184,7 +185,7 @@ using remove_cvref_t = typename std::remove_cv<typename std::remove_reference<T>
 template<class T, class Char = char>
 struct is_convertible_to_basic_format_string
     : std::integral_constant<bool,
-          std::is_convertible<T, fmt::basic_string_view<Char>>::value || std::is_same<remove_cvref_t<T>, FMT_STRING_RUNTIME>::value>
+          std::is_convertible<T, fmt::basic_string_view<Char>>::value || std::is_same<remove_cvref_t<T>, fmt_runtime_string>::value>
 {};
 
 #    if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)