cmake_minimum_required(VERSION 2.8.12)

project(arbutils-download NONE)

include(ExternalProject)
ExternalProject_Add(arbutils
        GIT_REPOSITORY https://git.p-epsilon.com/Deukhoofd/Arbutils
        GIT_TAG master
        PREFIX "${CMAKE_CURRENT_BINARY_DIR}/Arbutils"
        CONFIGURE_COMMAND ""
        BUILD_COMMAND ""
        INSTALL_COMMAND ""
        TEST_COMMAND ""
        CMAKE_ARGS "-DSHARED=${SHARED} -DWINDOWS=${WINDOWS} -DSTATICC=${STATICC}"
        )


function(include_arbutils)
    # Download and unpack googletest at configure time
    configure_file(CMakeLists.txt.in Arbutils/download/CMakeLists.txt)
    execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
            RESULT_VARIABLE result
            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/Arbutils/download)
    if (result)
        message(FATAL_ERROR "CMake step for arbutils failed: ${result}")
    endif ()
    execute_process(COMMAND ${CMAKE_COMMAND} --build .
            RESULT_VARIABLE result
            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/Arbutils/download)
    if (result)
        message(FATAL_ERROR "Build step for arbutils failed: ${result}")
    endif ()

    # Add googletest directly to our build. This defines
    # the gtest and gtest_main targets.
    add_subdirectory(${CMAKE_CURRENT_BINARY_DIR}/Arbutils/src/arbutils
            ${CMAKE_CURRENT_BINARY_DIR}/Arbutils/bin
            EXCLUDE_FROM_ALL)

    execute_process(COMMAND mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/Arbutils/include)
    execute_process(COMMAND ln -s ${CMAKE_CURRENT_BINARY_DIR}/Arbutils/src/arbutils/src
            ${CMAKE_CURRENT_BINARY_DIR}/Arbutils/include/Arbutils)
    execute_process(COMMAND ln -s ${CMAKE_CURRENT_BINARY_DIR}/Arbutils/src/arbutils/extern
            ${CMAKE_CURRENT_BINARY_DIR}/Arbutils/include/extern)

    include_directories(${CMAKE_CURRENT_BINARY_DIR}/Arbutils/include)


endfunction()