From d2e200dfe881e08fec5bcf265d17ff493ef59bd1 Mon Sep 17 00:00:00 2001
From: Koray <mq1n@protonmail.com>
Date: Mon, 22 Sep 2025 11:33:20 +0300
Subject: [PATCH] add ASan support

---
 CMakeLists.txt | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b718623..d0066f0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,9 @@ project(m2dev-server-src)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+# ASan support
+option(ENABLE_ASAN "Enable AddressSanitizer" OFF)
+
 set(CMAKE_MODULE_PATH
 	${CMAKE_MODULE_PATH}
 	"${CMAKE_CURRENT_SOURCE_DIR}/buildtool"
@@ -69,6 +72,19 @@ if(NOT GIT_DESCRIBE_VERSION)
 	set(GIT_DESCRIBE_VERSION "unknown")
 endif()
 
+# ASan flags
+if(ENABLE_ASAN)
+	if(MSVC)
+		add_compile_options(/fsanitize=address)
+		add_link_options(/fsanitize=address)
+		add_definitions(-D_DISABLE_VECTOR_ANNOTATION)
+		add_definitions(-D_DISABLE_STRING_ANNOTATION)
+	else()
+		add_compile_options(-fsanitize=address -fno-omit-frame-pointer)
+		add_link_options(-fsanitize=address)
+	endif()
+endif()
+
 add_definitions(-DNOMINMAX)
 add_definitions(-DWIN32_LEAN_AND_MEAN)