cmake_minimum_required(VERSION 3.10)

project(kgg-dec LANGUAGES CXX)

include(CheckIPOSupported)
check_ipo_supported(RESULT lto_supported OUTPUT error)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

add_executable(kgg-dec
    src/main.cpp
    src/common/base64.cpp
    src/infra/infra.cpp
    src/tc_tea/tc_tea.cpp
    src/qmc2/ekey.cpp
    src/qmc2/qmc2_factory.cpp
    src/qmc2/qmc2_map.cpp
    src/qmc2/qmc2_rc4.cpp
)

target_include_directories(kgg-dec
    PRIVATE
        src/common
        src/tc_tea
)

target_link_libraries(kgg-dec PRIVATE shell32 ole32)

if (lto_supported)
    set_property(TARGET kgg-dec PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
endif()

if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s -fdata-sections -ffunction-sections -flto -fmerge-all-constants -fno-exceptions -fno-rtti")
    set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -s -Wl,--gc-sections -flto")
endif()