https://bugs.gentoo.org/937599
https://github.com/doxygen/doxygen/pull/11083

From 567aca983f70b01103271e431bc71a13ac79213c Mon Sep 17 00:00:00 2001
From: Alfred Wingate <parona@protonmail.com>
Date: Fri, 9 Aug 2024 03:00:05 +0300
Subject: [PATCH] Adjust to libfmt-11 changes

Bug: https://bugs.gentoo.org/937599
See-Also: https://github.com/fmtlib/fmt/commit/d70729215fba1d54862e407b626abf86ddf409bf
Signed-off-by: Alfred Wingate <parona@protonmail.com>
--- a/src/trace.h
+++ b/src/trace.h
@@ -156,7 +156,7 @@ namespace fmt { template<typename T> struct formatter {}; }
 //! adds support for formatting QCString
 template<> struct fmt::formatter<QCString> : formatter<std::string>
 {
-  auto format(const QCString &c, format_context& ctx) {
+  auto format(const QCString &c, format_context& ctx) const {
     return formatter<std::string>::format(c.str(), ctx);
   }
 };
@@ -164,7 +164,7 @@ template<> struct fmt::formatter<QCString> : formatter<std::string>
 //! adds support for formatting Protected
 template<> struct fmt::formatter<Protection> : formatter<std::string>
 {
-  auto format(Protection prot, format_context& ctx) {
+  auto format(Protection prot, format_context& ctx) const {
     std::string result="Unknown";
     switch (prot)
     {
@@ -180,7 +180,7 @@ template<> struct fmt::formatter<Protection> : formatter<std::string>
 //! adds support for formatting Specifier
 template<> struct fmt::formatter<Specifier> : formatter<std::string>
 {
-  auto format(Specifier spec, format_context& ctx) {
+  auto format(Specifier spec, format_context& ctx) const {
     std::string result="Unknown";
     switch (spec)
     {
@@ -195,7 +195,7 @@ template<> struct fmt::formatter<Specifier> : formatter<std::string>
 //! adds support for formatting MethodTypes
 template<> struct fmt::formatter<MethodTypes> : formatter<std::string>
 {
-  auto format(MethodTypes mtype, format_context& ctx) {
+  auto format(MethodTypes mtype, format_context& ctx) const {
     std::string result="Unknown";
     switch (mtype)
     {
@@ -213,7 +213,7 @@ template<> struct fmt::formatter<MethodTypes> : formatter<std::string>
 //! adds support for formatting RelatesType
 template<> struct fmt::formatter<RelatesType> : formatter<std::string>
 {
-  auto format(RelatesType type, format_context& ctx) {
+  auto format(RelatesType type, format_context& ctx) const {
     std::string result="Unknown";
     switch (type)
     {
@@ -228,7 +228,7 @@ template<> struct fmt::formatter<RelatesType> : formatter<std::string>
 //! adds support for formatting RelationShip
 template<> struct fmt::formatter<Relationship> : formatter<std::string>
 {
-  auto format(Relationship relation, format_context& ctx) {
+  auto format(Relationship relation, format_context& ctx) const {
     std::string result="Unknown";
     switch (relation)
     {
@@ -243,7 +243,7 @@ template<> struct fmt::formatter<Relationship> : formatter<std::string>
 //! adds support for formatting SrcLangExt
 template<> struct fmt::formatter<SrcLangExt> : formatter<std::string>
 {
-  auto format(SrcLangExt lang, format_context& ctx) {
+  auto format(SrcLangExt lang, format_context& ctx) const {
     std::string result="Unknown";
     switch (lang)
     {
@@ -273,7 +273,7 @@ template<> struct fmt::formatter<SrcLangExt> : formatter<std::string>
 //! adds support for formatting MemberType
 template<> struct fmt::formatter<MemberType> : formatter<std::string>
 {
-  auto format(MemberType mtype, format_context& ctx) {
+  auto format(MemberType mtype, format_context& ctx) const {
     std::string result="Unknown";
     switch (mtype)
     {
@@ -301,7 +301,7 @@ template<> struct fmt::formatter<MemberType> : formatter<std::string>
 //! adds support for formatting TypeSpecifier
 template<> struct fmt::formatter<TypeSpecifier> : formatter<std::string>
 {
-  auto format(TypeSpecifier type, format_context& ctx) {
+  auto format(TypeSpecifier type, format_context& ctx) const {
     return formatter<std::string>::format(type.to_string(),ctx);
   }
 };
@@ -309,7 +309,7 @@ template<> struct fmt::formatter<TypeSpecifier> : formatter<std::string>
 //! adds support for formatting EntryType
 template<> struct fmt::formatter<EntryType> : formatter<std::string>
 {
-  auto format(EntryType type, format_context& ctx) {
+  auto format(EntryType type, format_context& ctx) const {
     return formatter<std::string>::format(type.to_string(),ctx);
   }
 };
@@ -317,7 +317,7 @@ template<> struct fmt::formatter<EntryType> : formatter<std::string>
 //! adds support for formatting MemberListType
 template<> struct fmt::formatter<MemberListType> : formatter<std::string>
 {
-  auto format(MemberListType type, format_context& ctx) {
+  auto format(MemberListType type, format_context& ctx) const {
     return formatter<std::string>::format(type.to_string(),ctx);
   }
 };