cmake_minimum_required(VERSION 3.11)
message( "current compiler " ${CMAKE_CXX_COMPILER_ID})
message("current CXX compiler is " ${CMAKE_CXX_COMPILER})
message("current X compiler is " ${CMAKE_CXX_COMPILER})
message("current make is " ${CMAKE_MAKE_PROGRAM})
enable_language(CXX)
project(generallib)
add_subdirectory(general)

find_package(libevent REQUIRED)
set(EVENT__HAVE_LIBEVENT 1)

message(STATUS "libevent include: " ${libevent_INCLUDE_DIR})
message(STATUS "libevent lib: ${libevent_LIBRARIES}")
message(STATUS "libevent lib Dirs: ${libevent_LIB_DIRS}")
message(STATUS "library files : $<TARGET_OBJECTS:General>" )

SET(SRC_SDK sdk_main.c test/src/heapsort/main.c)#生成动态库需要至少包含一个源文件
add_library(generallib STATIC $<TARGET_OBJECTS:General>  ${SRC_SDK})
message("CMAKE_BINARY_DIR is " ${CMAKE_BINARY_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/libd)
link_directories(general/third/lib)
set_target_properties(generallib PROPERTIES LINKER_LANGUAGE CXX)
target_link_libraries(generallib public
        -Wl,--whole-archive
        libevent.a
        -Wl,--no-whole-archive
)


message("current path is" ${CMAKE_CURRENT_SOURCE_DIR})
IF (WIN32)
    if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
        message("using clang")
    elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
        message("using gcc")
        add_custom_command (
                TARGET generallib POST_BUILD
                COMMAND  ar -x
                ${CMAKE_CURRENT_SOURCE_DIR}/libd/libevent.a 
                 COMMENT "package library  ar -x ${CMAKE_CURRENT_SOURCE_DIR}/libd/libevent.a " 
        )
        add_custom_command (
                TARGET generallib POST_BUILD
                COMMAND  ar rc libgeneral.a  *.obj
                COMMENT "package library  ar rc *.o "
        )
        add_custom_command(
                TARGET generallib POST_BUILD
                COMMAND   del *.o *.obj
                COMMENT "remove all step library"
        )
        # using GCC
    elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
        message("using asm")
    elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
        message("using msvc")
    endif()

endif()

# copy header files
SET(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/obj)

set(COPYITEM inc)
file(GLOB INCLUDES ${PROJECT_SOURCE_DIR}/inc/*)
file(COPY ${INCLUDES} DESTINATION ${LIBRARY_OUTPUT_PATH}/inc
        FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_WRITE GROUP_READ WORLD_READ)
message("include dir " ${INCLUDES})

file(GLOB PatternINCLUDES ${PROJECT_SOURCE_DIR}/general/src/pattern/*)
file(COPY ${PatternINCLUDES} DESTINATION ${LIBRARY_OUTPUT_PATH}/inc
        FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_WRITE GROUP_READ WORLD_READ)
message( "copy pattern library" ${PatternINCLUDES})
file(GLOB EncryptINCLUDES ${PROJECT_SOURCE_DIR}/general/src/encrypt/*.h)
file(COPY ${EncryptINCLUDES} DESTINATION ${LIBRARY_OUTPUT_PATH}/inc
        FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_WRITE GROUP_READ WORLD_READ)
file(GLOB MathINCLUDES ${PROJECT_SOURCE_DIR}/general/src/math/*.hpp)
message( "copy math library" ${MathINCLUDES})
add_custom_command(TARGET generallib PRE_LINK 
                COMMAND ${CMAKE_COMMAND} -E copy_directory ${PROJECT_SOURCE_DIR}/general/src/math/eigen ${LIBRARY_OUTPUT_PATH}/inc/math/eigen)
message( "copy third library")
file(GLOB THIRD ${PROJECT_SOURCE_DIR}/general/third/include/*)
file(COPY ${THIRD} DESTINATION ${LIBRARY_OUTPUT_PATH}/inc/third/
        FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_WRITE GROUP_READ WORLD_READ)
message( "copy net ")

file(GLOB NET ${PROJECT_SOURCE_DIR}/general/src/net/*.h)
file(COPY ${NET} DESTINATION ${LIBRARY_OUTPUT_PATH}/inc/
        FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_WRITE GROUP_READ WORLD_READ)

file(GLOB ALGORITHM ${PROJECT_SOURCE_DIR}/general/src/algorithm/*)
file(COPY ${ALGORITHM} DESTINATION ${LIBRARY_OUTPUT_PATH}/inc/
        FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_WRITE GROUP_READ WORLD_READ)