xmake.lua

add_requires("sdl2", {system=true,optional=true})
add_requires("dl", {system=true,optional=true})
add_requires("pthread", {system=true,optional=true})
add_requires("x11", {system=true,optional=true})
add_requires("xext", {system=true,optional=true})

option("backend")
    set_default("x11")
    set_values("x11", "sdl2", "sdl2-core", "sdl2-core-wasm")
option_end()

target("meui")
    set_kind("binary")
    set_rundir("$(projectdir)")

    if is_mode("release") then
        set_symbols("hidden")
        if is_plat("wasm") then 
            add_cxflags("-Oz")
        else
            add_cxflags("-O3")
        end
        set_strip("all")
    end

    set_languages("gnu11")

    add_cflags("-Wall -Werror=implicit-function-declaration -Wno-unused-function \
                -Werror=return-type  -Wno-unused-variable \
                -Werror=incompatible-pointer-types")
    add_includedirs("include")
    add_files("src/*.c")
    add_files("src/element/*.c")
    add_files("src/bind/*.c")
    add_files("src/bind/element/*.c")
    add_files("src/cache/*.c")
    add_files("src/utils/*.c")
    -- stb
    add_includedirs("lib/stb/include")
    add_files("lib/stb/*.c")
    -- pulogovg
    add_includedirs("lib/plutovg/include")
    add_includedirs("lib/plutovg/3rdparty/software")
    add_files("lib/plutovg/source/*.c")
    add_files("lib/plutovg/3rdparty/software/*.c")
    -- pulogosvg
    add_includedirs("lib/plutosvg/include")
    add_files("lib/plutosvg/source/*.c")
    -- flex
    add_includedirs("lib/flex/include")
    add_files("lib/flex/*.c")
    -- QuickJS
    add_includedirs("lib/QuickJS")
    add_files("lib/QuickJS/quickjs.c")
    add_files("lib/QuickJS/libregexp.c")
    add_files("lib/QuickJS/libunicode.c")
    add_files("lib/QuickJS/cutils.c")
    add_defines("_GNU_SOURCE", "CONFIG_VERSION=\"2021-03-27\"", "alloca=__builtin_alloca")
    -- hashmap
    add_includedirs("lib/hashmap/include")
    add_files("lib/hashmap/src/*.c")
    -- pqueue
    add_includedirs("lib/pqueue")
    add_files("lib/pqueue/*.c")

    add_packages("m")

    if get_config("backend") == "x11" then
        add_files("lib/QuickJS/quickjs-libc.c")
        add_files("src/platform/x11/*.c")
        add_packages("pthread", "dl", "x11", "xext")
    end
    if get_config("backend") == "sdl2" then
        add_files("lib/QuickJS/quickjs-libc.c")
        add_files("src/platform/sdl2/*.c")
        add_packages("pthread", "dl", "sdl2")
    end
    if get_config("backend") == "test" then
        add_files("lib/QuickJS/quickjs-libc.c")
        add_files("src/platform/test/*.c")
        add_packages("pthread", "dl")
    end
    if get_config("backend") == "sdl2-core" then
        add_files("src/platform/sdl2-core/*.c")
        add_packages("sdl2")
    end
    if get_config("backend") == "sdl2-core-wasm" then
        add_files("src/platform/sdl2-core-wasm/*.c")
        add_defines("EMSCRIPTEN")
        add_cxflags("-s USE_SDL=2")
        add_ldflags("-s LLD_REPORT_UNDEFINED")
        add_ldflags("-s STRICT_JS=1")
        add_ldflags("-s SINGLE_FILE=0")
        add_ldflags("-s EXPORT_ES6=1")
        add_ldflags("-s ASSERTIONS")
        add_ldflags("-s ALLOW_MEMORY_GROWTH=1")
        add_ldflags("-s MODULARIZE=1")
        add_ldflags("-s EXIT_RUNTIME=0")
        add_ldflags("-s USE_SDL=2")
        add_ldflags("-s EXPORTED_FUNCTIONS=_js_cancel_main_loop,_main", { force = true})
        add_ldflags("-s EXPORTED_RUNTIME_METHODS=FS,callMain,abort,ccall,cwrap")
        add_cxflags("-fno-exceptions")
        set_extension(".js")
    end

    add_options("backend")