# 获取编译时间
string(TIMESTAMP COMPILE_TIME 20%y_%m_%d-%H.%M.%S)
set(build_time ${COMPILE_TIME})

# 获取当前版本信息
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/src/Version.h.in ${CMAKE_CURRENT_SOURCE_DIR}/src/Version.h)

if(MSVC)
    add_definitions(-D_CRT_SECURE_NO_WARNINGS)
    add_compile_options(/wd4996)
endif()

find_package(OpenMP REQUIRED)

find_package(Ceres REQUIRED)
include_directories(${CERES_INCLUDE_DIRS})




# 公共头文件（放置在最前面，所有后面定义的模块才都能找到）
SET(ArithTrkPubInc ${CMAKE_SOURCE_DIR}/public_include)
include_directories(${ArithTrkPubInc}) # 引入算法公共头文件

# 全局包含opencv
link_directories(${OpenCV_LIBS_DIR})
include_directories(${OpenCV_INCLUDE_DIRS})




set(ArithSrcDIR_MAIN "src") # 库源文件路径

# 使用当前目录、Common目录源码构建
file(GLOB libsrcs ${ArithSrcDIR_MAIN}/*.cpp ${ArithSrcDIR_MAIN}/*.c ${ArithSrcDIR_MAIN}/*.h ${ArithSrcDIR_MAIN}/*.hpp)
file(GLOB CommonSrc ${ArithSrcDIR_MAIN}/utils/*.cpp ${ArithSrcDIR_MAIN}/utils/*.c ${ArithSrcDIR_MAIN}/utils/*.h ${ArithSrcDIR_MAIN}/utils/*.hpp)

add_library(${LIB_STITCH} SHARED ${libsrcs} ${CommonSrc}) # 构建算法库

# 设置包含路径
target_include_directories(${LIB_STITCH} PUBLIC
    ${ArithTrkPubInc}
    ${ArithSrcDIR_MAIN}
    ${ArithSrcDIR_MAIN}/utils
)

# 算法库链接
target_link_libraries(${LIB_STITCH}
    OpenMP::OpenMP_CXX
    ${OpenCV_LIBS}
    ${CERES_LIBRARIES})

# # gcc编译器要求0警告
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
    # 只导出指明的符号
    add_definitions(-fvisibility=hidden)

    # 警告：必须在如下编译器配置下编译通过
    target_compile_options(${LIB_STITCH} PRIVATE -Werror -Wreturn-type)
endif()

set(LIBRARY_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/Bin) # 输出算法库路径