From abcbed92a3f5d7272cce9e793049b03682c4c16b Mon Sep 17 00:00:00 2001
From: ToruNiina <niina.toru.68u@gmail.com>
Date: Sun, 16 Jun 2024 13:12:12 +0900
Subject: [PATCH] chore: add options required to use MSVC

to use utf-8 file and to use standard-compliant preprocessor
---
 src/CMakeLists.txt | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3c37c8b..43c8636 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -95,14 +95,41 @@ if(TOML11_PRECOMPILE)
         $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
         $<INSTALL_INTERFACE:include>
         )
+
+    # required options to use toml11 with MSVC
+    if(MSVC)
+        target_compile_options(toml11 PUBLIC "/utf-8")
+        if(MSVC_VERSION LESS 1910)
+            message(STATUS "MSVC < 1910. DEFINE_CONVERSION_NON_INTRUSIVE is disabled")
+            target_compile_definitions(toml11 PUBLIC -DTOML11_WITHOUT_DEFINE_NON_INTRUSIVE)
+        elseif(MSVC_VERSION LESS 1920) # MSVC 2017
+            target_compile_options(toml11 PUBLIC "/experimental:preprocessor")
+        else() # MSVC 2019
+            target_compile_options(toml11 PUBLIC "/Zc:preprocessor")
+        endif()
+    endif()
 else()
     add_library(toml11 INTERFACE)
     target_include_directories(toml11 INTERFACE
         $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
         $<INSTALL_INTERFACE:include>
         )
+
+    # required options to use toml11 with MSVC
+    if(MSVC)
+        target_compile_options(toml11 INTERFACE "/utf-8")
+        if(MSVC_VERSION LESS 1910)
+            message(STATUS "MSVC < 1910. DEFINE_CONVERSION_NON_INTRUSIVE is disabled")
+            target_compile_definitions(toml11 PUBLIC -DTOML11_WITHOUT_DEFINE_NON_INTRUSIVE)
+        elseif(MSVC_VERSION LESS 1920) # MSVC 2017
+            target_compile_options(toml11 INTERFACE "/experimental:preprocessor")
+        else() # MSVC 2019
+            target_compile_options(toml11 INTERFACE "/Zc:preprocessor")
+        endif()
+    endif()
 endif()
 
+
 if(TOML11_INSTALL)
 
     include(CMakePackageConfigHelpers)