package("libffi")

    set_homepage("https://sourceware.org/libffi/")
    set_description("Portable Foreign Function Interface library.")
    set_license("MIT")

    set_urls("https://github.com/libffi/libffi/releases/download/v$(version)/libffi-$(version).tar.gz",
             "https://github.com/libffi/libffi.git")
    add_versions("3.2.1", "d06ebb8e1d9a22d19e38d63fdb83954253f39bedc5d46232a05645685722ca37")
    add_versions("3.3", "72fba7922703ddfa7a028d513ac15a85c8d54c8d67f55fa5a4802885dc652056")
    add_versions("3.4.2", "540fb721619a6aba3bdeef7d940d8e9e0e6d2c193595bc243241b77ff9e93620")
    add_versions("3.4.4", "d66c56ad259a82cf2a9dfc408b32bf5da52371500b84745f7fb8b645712df676")

    if is_plat("linux") then
        add_extsources("apt::libffi-dev", "pacman::libffi")
    elseif is_plat("macosx") then
        add_extsources("brew::libffi")
    end

    on_load("macosx", "linux", "bsd", "mingw", function (package)
        if package:gitref() then
            package:add("deps", "autoconf", "automake", "libtool")
        elseif package:version():le("3.2.1") then
            package:add("includedirs", "lib/libffi-" .. package:version_str() .. "/include")
        end
    end)

    on_install("windows", "iphoneos", "cross", function (package)
        io.gsub("fficonfig.h.in", "# *undef (.-)\n", "${define %1}\n")
        os.cp(path.join(os.scriptdir(), "port", "xmake.lua"), "xmake.lua")
        import("package.tools.xmake").install(package, {
            vers = package:version_str()
        })
    end)

    on_install("macosx", "linux", "bsd", "mingw", function (package)
        -- https://github.com/libffi/libffi/issues/127
        local configs = {"--disable-silent-rules", "--disable-dependency-tracking", "--disable-multi-os-directory"}
        table.insert(configs, "--enable-shared=" .. (package:config("shared") and "yes" or "no"))
        table.insert(configs, "--enable-static=" .. (package:config("shared") and "no" or "yes"))
        if package:debug() then
            table.insert(configs, "--enable-debug")
        end
        import("package.tools.autoconf").install(package, configs)
    end)

    on_test(function (package)
        assert(package:has_cfuncs("ffi_closure_alloc", {includes = "ffi.h"}))
    end)