From e52b4ea4fdbea4e8778978367c6adec6fcde9c83 Mon Sep 17 00:00:00 2001
From: ytnuf <161308826+ytnuf@users.noreply.github.com>
Date: Tue, 13 Aug 2024 19:44:39 +0100
Subject: [PATCH] Add hot reload support when building with GCC and CMake

(cherry picked from commit 05571971cc4b57f34c1fce180c2df20750c5bc90)
---
 CMakeLists.txt | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 96090611..af62675a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -124,10 +124,6 @@ else()
 	endif()
 endif()
 
-if (GODOT_ENABLE_HOT_RELOAD)
-    set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -D HOT_RELOAD_ENABLED")
-endif()
-
 # Generate source from the bindings file
 find_package(Python3 3.4 REQUIRED) # pathlib should be present
 if(GENERATE_TEMPLATE_GET_NODE)
@@ -170,6 +166,11 @@ target_compile_features(${PROJECT_NAME}
 		cxx_std_17
 )
 
+if(GODOT_ENABLE_HOT_RELOAD)
+	target_compile_definitions(${PROJECT_NAME} PUBLIC HOT_RELOAD_ENABLED)
+	target_compile_options(${PROJECT_NAME} PUBLIC $<${compiler_is_gnu}:-fno-gnu-unique>)
+endif()
+
 target_compile_definitions(${PROJECT_NAME} PUBLIC
 	$<$<CONFIG:Debug>:
 		DEBUG_ENABLED