diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b2a39f..f18c055 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,16 +3,26 @@ project(klotski)
 
 # ------------------------------------------------------------------------------------ #
 
-option(KLSK_ENABLE_LTO "Enable LTO optimisation of the project." OFF)
-option(KLSK_SHARED_LIB "Build klotski core as a dynamic library." OFF)
-option(KLSK_ENABLE_TESTING "Enable testing of the klotski project." ON)
-option(KLSK_ENABLE_BENCHMARK "Enable benchmark of the klotski project." ON)
+option(KLSK_ENABLE_LTO "Enable LTO optimisation of the project." ON)
+#option(KLSK_SHARED_LIB "Build klotski core as a dynamic library." OFF)
+option(KLSK_ENABLE_TESTING "Enable testing of the klotski project." OFF)
+option(KLSK_ENABLE_BENCHMARK "Enable benchmark of the klotski project." OFF)
 
-option(KLSK_C_FFI "" ON)
-option(KLSK_PYTHON_FFI "" ON)
-option(KLSK_RUST_FFI "" ON)
+option(KLSK_C_FFI "" OFF)
+option(KLSK_RUST_FFI "" OFF)
+option(KLSK_PYTHON_FFI "" OFF)
 
-# ------------------------------------------------------------------------------------ #
+if (KLSK_DEV_MODE)
+  set(KLSK_C_FFI ON)
+  set(KLSK_RUST_FFI ON)
+  set(KLSK_PYTHON_FFI ON)
+
+  set(KLSK_ENABLE_LTO ON)
+  set(KLSK_ENABLE_TESTING ON)
+  set(KLSK_ENABLE_BENCHMARK ON)
+endif()
+
+# ------------------------------------------------------------------------------------------- #
 
 if (NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE Release)
@@ -20,17 +30,19 @@ endif()
 
 add_compile_options(-Wall -Wextra -g)
 
-# TODO: enabled by LTO option
-if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-  add_compile_options(-flto=full)
-elseif (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
-  add_compile_options(-flto=full)
-else ()
-  #add_compile_options(-flto)  # TODO: only for g++
-endif ()
-
-# TODO: for python-ffi
-if (SKBUILD)
+if (KLSK_ENABLE_LTO)
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
+    message(STATUS "klotski enable LTO for clang")
+    add_compile_options(-flto=full)
+  elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    # add_compile_options(-flto=auto)
+  else()
+    message(FATAL_ERROR "unsupported compiler")  # TODO: add MSVC support
+  endif()
+endif()
+
+# TODO: add `KLSK_ENABLE_PIC` option
+if (SKBUILD)  # for python-ffi
   set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 endif()
 
@@ -38,7 +50,7 @@ get_filename_component(KLSK_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR} ABSOLUTE)
 
 include(third_party/ThirdParty.cmake)
 
-# ------------------------------------------------------------------------------------ #
+# ------------------------------------------------------------------------------------------- #
 
 #set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/bin)
 #set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/bin)
@@ -51,4 +63,4 @@ include(third_party/ThirdParty.cmake)
 
 add_subdirectory(src)
 
-# ------------------------------------------------------------------------------------ #
+# ------------------------------------------------------------------------------------------- #
diff --git a/src/core_ffi/python_ffi/packing/pyproject.toml b/src/core_ffi/python_ffi/packing/pyproject.toml
index 159d250..1b2f4f2 100644
--- a/src/core_ffi/python_ffi/packing/pyproject.toml
+++ b/src/core_ffi/python_ffi/packing/pyproject.toml
@@ -6,3 +6,50 @@ requires = [
     "ninja",
 ]
 build-backend = "setuptools.build_meta"
+
+[project]
+name = "py-klotski"
+version = "0.0.2"
+requires-python = ">=3.7"
+description = "Klotski multifunctional engine with high performance"
+
+readme = "README.md"
+license = {text = "BSD-3-Clause"}
+authors = [{name = "Dnomd343", email = "dnomd343@gmail.com"}]
+maintainers = [
+    {name = "Dnomd343", email = "dnomd343@gmail.com"}
+]
+
+classifiers = [
+    "Development Status :: 2 - Pre-Alpha",
+    "License :: OSI Approved :: BSD License",
+
+    "Topic :: Games/Entertainment",
+    "Topic :: Software Development",
+    "Topic :: Scientific/Engineering",
+
+    "Intended Audience :: Education",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+
+    # TODO: add Windows support
+    "Operating System :: MacOS",
+    "Operating System :: POSIX",
+
+    "Programming Language :: C++",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3 :: Only",
+]
+
+[project.urls]
+# TODO: add `Homepage` and `Documentation`
+Source = "https://github.com/dnomd343/klotski.git"
+Tracker = "https://github.com/dnomd343/klotski/issues"
+Changelog = "https://github.com/dnomd343/klotski/blob/master/CHANGELOG.md"
diff --git a/src/core_ffi/python_ffi/packing/setup.py b/src/core_ffi/python_ffi/packing/setup.py
index 25701f3..40d488f 100644
--- a/src/core_ffi/python_ffi/packing/setup.py
+++ b/src/core_ffi/python_ffi/packing/setup.py
@@ -1,22 +1,14 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
 from skbuild import setup
 
 setup(
-    name='py-klotski',
-    version='0.0.1',
-    description='Klotski multifunctional engine with high performance',
-    author='Dnomd343',
-    author_email='dnomd343@gmail.com',
-    license='BSD-3-Clause',
-    url='https://github.com/dnomd343/klotski',
     packages=['klotski'],
     package_dir={'': 'src'},
     cmake_install_dir='src/klotski',
     cmake_args=[
-        '-DKLSK_ENABLE_TESTING:BOOL=OFF',
-        '-DKLSK_ENABLE_BENCHMARK:BOOL=OFF',
-        '-DKLSK_C_FFI:BOOL=OFF',
-        '-DKLSK_RUST_FFI:BOOL=OFF',
+        '-DKLSK_ENABLE_LTO:BOOL=ON',
         '-DKLSK_PYTHON_FFI:BOOL=ON',
-    ],
-    python_requires=">=3.7",
+    ]
 )