From e3bc1ee2a8622680416d9cbb46a415d66dd659aa Mon Sep 17 00:00:00 2001
From: Oliver Hamlet <git@ortham.net>
Date: Mon, 22 Jun 2026 21:34:46 +0100
Subject: [PATCH] Fix building C++ wrapper with CMake 4.0+

Also update CMakeLists.txt to use target-specific commands and PROJECT_SOURCE_DIR instead of CMAKE_SOURCE_DIR.
---
 ffi/CMakeLists.txt | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/ffi/CMakeLists.txt b/ffi/CMakeLists.txt
index 1ad5815..1f00015 100644
--- a/ffi/CMakeLists.txt
+++ b/ffi/CMakeLists.txt
@@ -1,22 +1,22 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 2.8...4.3)
 project(ffi_tests CXX)
 
-include_directories("${CMAKE_SOURCE_DIR}/include")
+add_executable(ffi_cpp_tests "${PROJECT_SOURCE_DIR}/tests/ffi.cpp")
 
-set(CMAKE_CXX_STANDARD 11)
+set_target_properties(ffi_cpp_tests PROPERTIES CXX_STANDARD 11)
 
-if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-    set (SYSTEM_LIBS pthread dl)
-endif ()
+target_include_directories(ffi_cpp_tests PRIVATE "${PROJECT_SOURCE_DIR}/include")
 
-if (MSVC)
-    set (SYSTEM_LIBS ntdll ws2_32 Userenv bcrypt)
-endif ()
+target_link_libraries(ffi_cpp_tests PRIVATE
+    "${PROJECT_SOURCE_DIR}/../target/debug/${CMAKE_STATIC_LIBRARY_PREFIX}loot_condition_interpreter_ffi${CMAKE_STATIC_LIBRARY_SUFFIX}")
 
-set (FFI_LIBRARY "${CMAKE_SOURCE_DIR}/../target/debug/${CMAKE_STATIC_LIBRARY_PREFIX}loot_condition_interpreter_ffi${CMAKE_STATIC_LIBRARY_SUFFIX}")
+if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    target_link_libraries(ffi_cpp_tests PRIVATE pthread dl)
+endif()
 
-add_executable(ffi_cpp_tests "${CMAKE_SOURCE_DIR}/tests/ffi.cpp")
-target_link_libraries(ffi_cpp_tests ${FFI_LIBRARY} ${SYSTEM_LIBS})
+if(MSVC)
+    target_link_libraries(ffi_cpp_tests PRIVATE ntdll ws2_32 Userenv bcrypt)
+endif()
 
 enable_testing()
 add_test(ffi_cpp_tests ffi_cpp_tests)