lua part 1

dep/CMakeLists.txt

@@ -52,3 +52,7 @@ if(BUILD_TESTING)
     GIT_SHALLOW    1)
   FetchContent_MakeAvailable(Catch2)
 endif()
+
+if (ELUNA)
+  add_subdirectory(lualib)
+endif()

dep/lualib/CMakeLists.txt

@@ -0,0 +1,20 @@
+set(LUA_VERSION "lua52" CACHE STRING "Lua version to use")
+set_property(CACHE LUA_VERSION PROPERTY STRINGS luajit lua51 lua52 lua53 lua54)
+MESSAGE(STATUS "Lua version: ${LUA_VERSION}")
+
+if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
+  cmake_policy(SET CMP0135 NEW)
+endif()
+
+option(LUA_STATIC "link lua statically" OFF)
+if (LUA_STATIC)
+  MESSAGE(STATUS "Lua linking: static")
+else()
+  MESSAGE(STATUS "Lua linking: dynamic")
+endif()
+
+if (LUA_VERSION MATCHES "luajit")
+  add_subdirectory(luajit)
+else()
+  add_subdirectory(lua)
+endif()

dep/lualib/lua/CMakeLists.txt

@@ -0,0 +1,67 @@
+# BSD-3-Clause
+# Copyright (c) 2022, Rochet2 <[email protected]>
+# All rights reserved.
+
+project (lua C)
+
+include(FetchContent)
+FetchContent_Declare(
+  lua52
+  URL https://www.lua.org/ftp/lua-5.2.4.tar.gz
+  URL_HASH SHA256=b9e2e4aad6789b3b63a056d442f7b39f0ecfca3ae0f1fc0ae4e9614401b69f4b
+)
+FetchContent_MakeAvailable(lua52)
+
+set(LUA_SOURCE_FOLDER "${lua52_SOURCE_DIR}/src")
+
+file(GLOB LOCAL_SOURCES_H "${LUA_SOURCE_FOLDER}/*.h")
+file(GLOB LOCAL_SOURCES_C "${LUA_SOURCE_FOLDER}/*.c")
+list(REMOVE_ITEM LOCAL_SOURCES_C "${LUA_SOURCE_FOLDER}/lua.c")
+list(REMOVE_ITEM LOCAL_SOURCES_C "${LUA_SOURCE_FOLDER}/luac.c")
+
+if (LUA_STATIC)
+  add_library(lualib STATIC ${LOCAL_SOURCES_H} ${LOCAL_SOURCES_C})
+  set_property(TARGET lualib PROPERTY POSITION_INDEPENDENT_CODE ON)
+else()
+  add_library(lualib SHARED ${LOCAL_SOURCES_H} ${LOCAL_SOURCES_C})
+  set_property(TARGET lualib PROPERTY POSITION_INDEPENDENT_CODE ON)
+endif()
+add_library(lualib_static STATIC ${LOCAL_SOURCES_H} ${LOCAL_SOURCES_C})
+set_target_properties(lualib PROPERTIES LINKER_LANGUAGE C)
+set_target_properties(lualib_static PROPERTIES LINKER_LANGUAGE C)
+target_include_directories(lualib PUBLIC "${LUA_SOURCE_FOLDER}" "${CMAKE_CURRENT_SOURCE_DIR}")
+target_include_directories(lualib_static PUBLIC "${LUA_SOURCE_FOLDER}" "${CMAKE_CURRENT_SOURCE_DIR}")
+
+if (WIN32)
+  set_target_properties(lualib PROPERTIES OUTPUT_NAME lua52)
+  install(TARGETS lualib DESTINATION "${CMAKE_INSTALL_PREFIX}")
+  if (NOT LUA_STATIC)
+    install(FILES $<TARGET_PDB_FILE:lualib> DESTINATION "${CMAKE_INSTALL_PREFIX}" OPTIONAL)
+  endif()
+else()
+  set_target_properties(lualib PROPERTIES OUTPUT_NAME lua52)
+  install(TARGETS lualib DESTINATION "${CMAKE_INSTALL_PREFIX}/lib")
+  install(TARGETS lualib_static DESTINATION "${CMAKE_INSTALL_PREFIX}/lib")
+endif()
+
+if (WIN32)
+  target_compile_definitions(lualib PRIVATE _CRT_SECURE_NO_WARNINGS)
+  target_compile_definitions(lualib_static PRIVATE _CRT_SECURE_NO_WARNINGS)
+  if (NOT LUA_STATIC)
+    target_compile_definitions(lualib PRIVATE LUA_BUILD_AS_DLL)
+  endif()
+elseif (APPLE)
+  target_compile_definitions(lualib PUBLIC LUA_USE_MACOSX)
+  target_compile_definitions(lualib_static PUBLIC LUA_USE_MACOSX)
+  target_compile_options(lualib PRIVATE -Wno-deprecated-declarations -Wno-empty-body)
+  target_compile_options(lualib_static PRIVATE -Wno-deprecated-declarations -Wno-empty-body)
+  target_link_libraries(lualib readline)
+  target_link_libraries(lualib_static readline)
+elseif (UNIX)
+  target_compile_definitions(lualib PUBLIC LUA_USE_LINUX)
+  target_link_libraries(lualib ${CMAKE_DL_LIBS} m readline)
+  target_compile_definitions(lualib_static PUBLIC LUA_USE_LINUX)
+  target_link_libraries(lualib_static ${CMAKE_DL_LIBS} m readline)
+  set_target_properties(lualib PROPERTIES OUTPUT_NAME lua52)
+  set_target_properties(lualib_static PROPERTIES OUTPUT_NAME lua52)
+endif()

dep/lualib/lua/lua.hpp

@@ -0,0 +1,10 @@
+#ifndef LUA_HPP
+#define LUA_HPP
+
+extern "C" {
+#include "lua.h"
+#include "lualib.h"
+#include "lauxlib.h"
+}
+
+#endif

dep/lualib/luajit/CMakeLists.txt

@@ -0,0 +1,2 @@
+# Placeholder for luajit - using lua52 instead
+message(STATUS "Using lua52 instead of luajit")