From b6308816ae24e94e81c8b597fb710056e25e0ba8 Mon Sep 17 00:00:00 2001
From: a dinosaur <dino@a-dinosaur.com>
Date: Wed, 10 Apr 2024 12:46:34 +1000
Subject: [PATCH] msvc fixes

---
 ext/base64/CMakeLists.txt | 3 ++-
 src/CMakeLists.txt        | 4 +++-
 src/tmxmap.cpp            | 1 +
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/ext/base64/CMakeLists.txt b/ext/base64/CMakeLists.txt
index fce6120..1907364 100644
--- a/ext/base64/CMakeLists.txt
+++ b/ext/base64/CMakeLists.txt
@@ -1,6 +1,7 @@
 add_library(base64
 	base64.cpp base64.h)
 add_library(base64::base64 ALIAS base64)
-set_target_properties(base64 PROPERTIES CXX_STANDARD 17)
+set_target_properties(base64 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON)
+target_compile_options(base64 PUBLIC $<$<CXX_COMPILER_ID:MSVC>:/Zc:__cplusplus>)
 target_include_directories(base64
 	PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 91e9c1f..ae618c9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -15,7 +15,9 @@ configure_file(config.h.in config.h @ONLY)
 target_sources(tmx2gba PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/config.h)
 target_include_directories(tmx2gba PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
 
-set_target_properties(tmx2gba PROPERTIES CXX_STANDARD 20)
+set_target_properties(tmx2gba PROPERTIES
+	CXX_STANDARD 20
+	CXX_STANDARD_REQUIRED ON)
 
 target_compile_definitions(${PROJECT_NAME} PRIVATE
 	$<$<BOOL:${MSVC}>:_CRT_SECURE_NO_WARNINGS>  # disable msvc warning
diff --git a/src/tmxmap.cpp b/src/tmxmap.cpp
index 6ef802b..6d4ba2b 100644
--- a/src/tmxmap.cpp
+++ b/src/tmxmap.cpp
@@ -13,6 +13,7 @@
 #include <limits>
 #include <cerrno>
 #include <optional>
+#include <algorithm>
 
 
 template <typename T>