functions.cmake

function(get_git_commit out)
    execute_process(COMMAND git rev-parse HEAD
        RESULT_VARIABLE RESULT
        OUTPUT_VARIABLE OUTPUT
        ERROR_QUIET
        OUTPUT_STRIP_TRAILING_WHITESPACE)
    if (${RESULT} EQUAL 0)
        set(${out} "${OUTPUT}" PARENT_SCOPE)
    else()
        set(${out} "" PARENT_SCOPE)
    endif()
endfunction()

macro(setup_version)
    if (BUILD_MAJOR)
        set(VERSION_MAJOR ${BUILD_MAJOR})
    else()
        set(VERSION_MAJOR )
    endif()

    if (BUILD_MINOR)
        set(VERSION_MINOR ${BUILD_MINOR})
    else()
        set(VERSION_MINOR )
    endif()

    if (BUILD_REVISION)
        set(VERSION_REVISION ${BUILD_REVISION})
    else()
        set(VERSION_REVISION )
    endif()

    if (BUILD_NUMBER)
        set(VERSION_BUILD ${BUILD_NUMBER})
    else()
        set(VERSION_BUILD )
    endif()

    if (("${VERSION_MAJOR}" STREQUAL "") OR
        ("${VERSION_MINOR}" STREQUAL "") OR
        ("${VERSION_REVISION}" STREQUAL "") OR
        ("${VERSION_BUILD}" STREQUAL ""))
        get_git_commit(VERSION)
    else()
        set(VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_REVISION}.${VERSION_BUILD})
    endif()
endmacro()

macro(set_build_type)
    if(CMAKE_BUILD_TYPE)
        message(STATUS "Current build type      : ${CMAKE_BUILD_TYPE}")
    else()
        message(STATUS "Setting build to Debug")
        set(CMAKE_BUILD_TYPE "Debug")
    endif()
endmacro()

macro(set_config_dir)
    if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
        set(CONFIG_DIR "debug")
    elseif(${CMAKE_BUILD_TYPE} STREQUAL "Release")
        set(CONFIG_DIR "release")
    elseif(${CMAKE_BUILD_TYPE} STREQUAL "MinSizeRel")
        set(CONFIG_DIR "releaseMinSize")
    elseif(${CMAKE_BUILD_TYPE} STREQUAL "RelWithDebInfo")
        set(CONFIG_DIR "releaseMinSize")
    else()
        message(FATAL_ERROR "Invalid build type: " ${CMAKE_BUILD_TYPE})
    endif()
endmacro()

macro(setup_library_definitions)
    if (NOT WIN_MSVC AND NOT APPLE)
        set(LINK_WHOLE_LIB -Wl,--whole-archive)
        set(LINK_NO_WHOLE_LIB -Wl,--no-whole-archive)
        set(LINK_RPATH -Wl,-rpath,'$ORIGIN/../lib/')
        set(CMAKE_SKIP_BUILD_RPATH TRUE)
    endif()
    if (APPLE)
        set(CMAKE_MACOSX_RPATH ../lib)
    endif()
endmacro()