68 lines
2.9 KiB
CMake
68 lines
2.9 KiB
CMake
cmake_minimum_required(VERSION 3.10)
|
||
project(FaceDetectionApp)
|
||
|
||
# 设置 C++ 标准
|
||
set(CMAKE_CXX_STANDARD 11)
|
||
set(CMAKE_CXX_STANDARD_REQUIRED True)
|
||
|
||
# 若未指定构建类型，默认使用 Release
|
||
if(NOT CMAKE_BUILD_TYPE)
|
||
set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
|
||
endif()
|
||
|
||
# 默认导出 compile_commands.json（便于 IDE/clangd 索引）
|
||
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
|
||
|
||
# ============================================================================
|
||
# 0. SIMD 加速选项（作用于 libfacedetection 动态库）
|
||
# X86/X64 CPU: cmake -DENABLE_AVX2=ON 或 -DENABLE_AVX512=ON
|
||
# ARM CPU: cmake -DENABLE_NEON=ON
|
||
# 开启后会自动定义对应宏并添加编译器指令集标志，无需手动改头文件。
|
||
# AVX512 / AVX2 / NEON 三者互斥（与头文件中的 #error 检查一致）。
|
||
# ============================================================================
|
||
set(ENABLE_AVX2 ON CACHE BOOL "Enable AVX2 acceleration (X64 CPU)")
|
||
set(ENABLE_AVX512 OFF CACHE BOOL "Enable AVX512 acceleration (X64 CPU)")
|
||
set(ENABLE_NEON OFF CACHE BOOL "Enable NEON acceleration (ARM CPU)")
|
||
|
||
# 三者最多只能开启其中一个
|
||
set(_SIMD_ENABLED_COUNT 0)
|
||
foreach(_simd_opt ENABLE_AVX512 ENABLE_AVX2 ENABLE_NEON)
|
||
if(${_simd_opt})
|
||
math(EXPR _SIMD_ENABLED_COUNT "${_SIMD_ENABLED_COUNT} + 1")
|
||
endif()
|
||
endforeach()
|
||
if(_SIMD_ENABLED_COUNT GREATER 1)
|
||
message(FATAL_ERROR "ENABLE_AVX512 / ENABLE_AVX2 / ENABLE_NEON 三者互斥，最多只能开启其中一个。")
|
||
endif()
|
||
|
||
# 检测编译器是否支持 -mfpu=neon：
|
||
# - 32 位 ARM (armhf) 需要该标志才能使用 arm_neon.h 内联函数；
|
||
# - AArch64 下 NEON 默认开启，x86 不识别该标志，这两种情况检测结果均为否。
|
||
include(CheckCXXCompilerFlag)
|
||
check_cxx_compiler_flag("-mfpu=neon" CXX_HAS_MFPU_NEON)
|
||
|
||
# ============================================================================
|
||
# 1. 依赖查找
|
||
# ============================================================================
|
||
find_package(OpenCV REQUIRED) # app / network_camera_receiver 需要
|
||
find_package(OpenMP) # libfacedetection 可选加速
|
||
find_package(Threads REQUIRED) # network_camera_receiver 后台线程 / app
|
||
|
||
message(STATUS "Found OpenCV Version: ${OpenCV_VERSION}")
|
||
if(OpenMP_FOUND)
|
||
message(STATUS "Found OpenMP CXX: ${OpenMP_CXX_VERSION}")
|
||
else()
|
||
message(STATUS "OpenMP not found, building without OpenMP support.")
|
||
endif()
|
||
message(STATUS "Threads library enabled.")
|
||
|
||
# ============================================================================
|
||
# 2. 子模块
|
||
# libfacedetection -> SHARED 动态库（人脸检测）
|
||
# network_camera_receiver-> STATIC 静态库（仅抓帧）
|
||
# app -> 可执行程序（编排 收帧->检测->显示）
|
||
# ============================================================================
|
||
add_subdirectory(libfacedetection)
|
||
add_subdirectory(network_camera_receiver)
|
||
add_subdirectory(app)
|