CMAKE_MINIMUM_REQUIRED(VERSION 3.16)
PROJECT(VirtualMath C)
SET(CMAKE_C_STANDARD 11)

OPTION(GC "GC" ON)
OPTION(PG "PG" OFF)
OPTION(SET_DEBUG "SET_DEBUG" ON)

IF (SET_DEBUG)
    ADD_DEFINITIONS(-DDEBUG=1)
ELSE()
    ADD_DEFINITIONS(-DDEBUG=0)
    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
ENDIF()

IF (NOT PG)
    SET(LIBRARY_OUTPUT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/lib-${CMAKE_BUILD_TYPE})
    SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin-${CMAKE_BUILD_TYPE})
ELSE()
    SET(LIBRARY_OUTPUT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/lib-pg${CMAKE_BUILD_TYPE})
    SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin-pg${CMAKE_BUILD_TYPE})
ENDIF()
SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH})
SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH})

SET(HELLOVM_INCLUDE_DICT
        ${VirtualMath_SOURCE_DIR}/include
        ${VirtualMath_SOURCE_DIR}/vmcore/include
        )

IF (GC)
    ADD_DEFINITIONS(-DSTART_GC=1)
ELSE()
    ADD_DEFINITIONS(-DSTART_GC=0)
ENDIF()

ADD_DEFINITIONS(-DCC=\"${CMAKE_C_COMPILER}\")
ADD_DEFINITIONS(-DSYS=\"${CMAKE_SYSTEM}.${CMAKE_SYSTEM_PROCESSOR}\")
INCLUDE_DIRECTORIES(${HELLOVM_INCLUDE_DICT} BEFORE)

AUX_SOURCE_DIRECTORY(${VirtualMath_SOURCE_DIR}/src SRC_LIST)
AUX_SOURCE_DIRECTORY(${VirtualMath_SOURCE_DIR}/argument SRC_LIST)

MESSAGE(STATUS "hellovm src = ${SRC_LIST}")
MESSAGE(STATUS "project dir is ${VirtualMath_SOURCE_DIR}")
MESSAGE(STATUS "cmake file in is ${CMAKE_CURRENT_SOURCE_DIR}")
MESSAGE(STATUS "vmcore on ${vmcore_BINARY_DIR}")

LINK_DIRECTORIES(${vmcore_BINARY_DIR})  # 添加vmcore的构建目录为寻找lib的目录
ADD_SUBDIRECTORY(${VirtualMath_SOURCE_DIR}/vmcore)

IF (PG)
    ADD_COMPILE_OPTIONS(-pg)
    ADD_LINK_OPTIONS(-pg)
ENDIF()

ADD_EXECUTABLE(VirtualMath main.c ${SRC_LIST})
TARGET_LINK_LIBRARIES(VirtualMath vmcore_src)
TARGET_INCLUDE_DIRECTORIES(vmcore_src PRIVATE HELLOVM_INCLUDE_DICT)
ADD_DEPENDENCIES(VirtualMath vmcore_src)  # 添加依赖关系
SET_TARGET_PROPERTIES(VirtualMath PROPERTIES
        OUTPUT_NAME "hellovm"  # 设置输出名
        INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib"  # 设置rpath
        )

INSTALL(TARGETS VirtualMath)
MESSAGE(STATUS "hellovm cmake configure finish")