From dd2f2ffcbea353f92b4607baed36928ecf2cf635 Mon Sep 17 00:00:00 2001
From: tapple <tapplek@gmail.com>
Date: Tue, 10 Nov 2026 10:26:24 +0100
Subject: [PATCH] cmake: Use CMAKE_CURRENT_SOURCE_DIR for subdirectory builds

---
 CMakeLists.txt           | 8 ++++----
 Tailslide/CMakeLists.txt | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0b9ab819..91d60bde 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,10 +56,10 @@ if(LUAU_SANITIZE)
 endif()
 
 # Embed builtins.txt into a header file at configure time
-file(READ "${CMAKE_SOURCE_DIR}/builtins.txt" BUILTINS_HEX HEX)
+file(READ "${CMAKE_CURRENT_SOURCE_DIR}/builtins.txt" BUILTINS_HEX HEX)
 string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1, " BUILTINS_HEX_ARRAY "${BUILTINS_HEX}")
 configure_file(
-        "${CMAKE_SOURCE_DIR}/LSLBuiltins/src/builtins_embedded.h.in"
+        "${CMAKE_CURRENT_SOURCE_DIR}/LSLBuiltins/src/builtins_embedded.h.in"
         "${CMAKE_BINARY_DIR}/builtins_embedded.h"
         @ONLY
 )
@@ -329,8 +329,8 @@ endif()
 # ServerLua: GCC doesn't support the FP_CONTRACT pragma, so we have to use this to tell it it not to
 # fuse multiply and add for these files.
 set(FP_SENSITIVE_SOURCE_FILES
-        ${CMAKE_SOURCE_DIR}/VM/src/lll.cpp
-        ${CMAKE_SOURCE_DIR}/VM/src/llsl.cpp
+        ${CMAKE_CURRENT_SOURCE_DIR}/VM/src/lll.cpp
+        ${CMAKE_CURRENT_SOURCE_DIR}/VM/src/llsl.cpp
 )
 set_source_files_properties(${FP_SENSITIVE_SOURCE_FILES} PROPERTIES COMPILE_FLAGS "-ffp-contract=off")
 
diff --git a/Tailslide/CMakeLists.txt b/Tailslide/CMakeLists.txt
index 259e7fa9..0b81bd87 100644
--- a/Tailslide/CMakeLists.txt
+++ b/Tailslide/CMakeLists.txt
@@ -198,9 +198,9 @@ endif()
 if (TAILSLIDE_BUILD_CLI)
   add_executable(tailslide_cli tailslide_cli/main.cc)
   target_sources(tailslide_cli PRIVATE
-          ${CMAKE_SOURCE_DIR}/extern/cxxopt.hh
+          ${CMAKE_CURRENT_SOURCE_DIR}/extern/cxxopt.hh
   )
-  target_include_directories(tailslide_cli PRIVATE tailslide ${CMAKE_SOURCE_DIR}/extern)
+  target_include_directories(tailslide_cli PRIVATE tailslide ${CMAKE_CURRENT_SOURCE_DIR}/extern)
   target_link_libraries(tailslide_cli PUBLIC ${EXTRA_LIBS} libtailslide)
   set_target_properties(tailslide_cli PROPERTIES OUTPUT_NAME tailslide)
 endif()