From a3eea0fb8867ab982dd62f1c9568a46f81796559 Mon Sep 17 00:00:00 2001
From: obligaron <obligaron@live.com>
Date: Sun, 2 Feb 2025 21:40:01 +0100
Subject: [PATCH] MSVC: Enable Edit & Continue in debug builds

---
 .gitignore     | 3 +++
 CMakeLists.txt | 7 ++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 5162797f4..558dafacc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -161,6 +161,9 @@ ipch/
 # Visual Studio Trace Files
 *.e2e
 
+# Visual Studio Edit & Continue
+enc_temp_folder
+
 # TFS 2012 Local Workspace
 $tf/
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cf242316f..595cd2aee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.15)
 
-foreach(_policy CMP0111 CMP0126 CMP0135)
+foreach(_policy CMP0111 CMP0126 CMP0135 CMP0141)
   if(POLICY ${_policy})
     cmake_policy(SET ${_policy} NEW)
     set(CMAKE_POLICY_DEFAULT_${_policy} NEW)
@@ -282,6 +282,11 @@ endif()
 if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
   # u8path() function is deprecated but there is no sensible alternative and it might even get un-deprecated.
   add_definitions(-D_SILENCE_CXX20_U8PATH_DEPRECATION_WARNING)
+  if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.25")
+    # This enables Edit & Continue support, see https://learn.microsoft.com/en-us/cpp/build/cmake-projects-in-visual-studio#edit-and-continue-for-cmake-projects
+    set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT "$<$<CONFIG:Debug>:EditAndContinue>") # Sets /ZI compiler option, see https://cmake.org/cmake/help/latest/variable/CMAKE_MSVC_DEBUG_INFORMATION_FORMAT.html
+    add_link_options("$<$<CONFIG:Debug>:/INCREMENTAL>")
+  endif()
 endif()
 
 # Not a genexp because CMake doesn't support it