ViewDesignEngine/CMakeLists.txt

cmake_minimum_required(VERSION 3.16)
project(ViewDesignEngine VERSION 0.1.0 LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# ── 选项 ──
option(BUILD_TESTS      "Build unit tests"       ON)
option(BUILD_EXAMPLES   "Build examples"         ON)
option(BUILD_BENCHMARKS "Build benchmarks"       OFF)
option(BUILD_SHARED_LIBS "Build shared library"  OFF)
option(ENABLE_SANITIZERS "Enable ASan/UBSan"     OFF)
option(ENABLE_LTO        "Enable LTO"            ON)
option(VDE_BUILD_PYTHON  "Build Python bindings" OFF)

# ── 编译选项接口（必须在 include(CompilerSettings) 之前创建）──
add_library(vde_compile_options INTERFACE)
include(cmake/CompilerSettings.cmake)

# ── 依赖 ──
find_package(Eigen3 3.3 QUIET)
if(NOT Eigen3_FOUND)
    include(FetchContent)
    FetchContent_Declare(Eigen3
        URL https://gitlab.com/libeigen/eigen/-/archive/3.4.0/eigen-3.4.0.tar.gz
    )
    FetchContent_MakeAvailable(Eigen3)
endif()

# ── 子目录 ──
add_subdirectory(src)

# ── 测试 ──
if(BUILD_TESTS)
    enable_testing()
    find_package(GTest QUIET)
    if(NOT GTest_FOUND)
        include(FetchContent)
        FetchContent_Declare(googletest
            URL https://github.com/google/googletest/archive/refs/tags/v1.14.0.tar.gz
        )
        set(INSTALL_GTEST OFF CACHE BOOL "" FORCE)
        FetchContent_MakeAvailable(googletest)
    endif()
    add_subdirectory(tests)
endif()

# ── 示例 ──
if(BUILD_EXAMPLES)
    add_subdirectory(examples)
endif()

# ── 性能测试 ──
if(BUILD_BENCHMARKS)
    add_subdirectory(benchmarks)
endif()

# ── Python 绑定 ──
if(VDE_BUILD_PYTHON)
    add_subdirectory(python)
endif()