build-lua-to-exe.lua

-- Change to the path of lua51.lib/libluajit-2.1.a/whatever LuaJIT library you link against
local lua_slib = "\"C:\\Users\\user\\bin\\luajit\\lib\\lua51.lib\""
local CC = "clang -O2"

local stub_code = [[#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#include <luajit.h>

#include <stdlib.h>
#include <windows.h>

int main(void) {
    lua_State *L = luaL_newstate();
    luaL_openlibs(L);
    lua_getglobal(L, "require");
    lua_pushliteral(L, "main");

    if (lua_pcall(L, 1, 0, 0) != LUA_OK) {
        MessageBox(NULL, lua_tostring(L, -1),"Application Error", MB_OK | MB_ICONERROR);
        exit(EXIT_FAILURE);
    }
}]]

local function run(cmd) 
    print(cmd)
    os.execute(cmd)
end

local function writeFile(fname, str) 
    local f, err = io.open(fname, "wb")
    if f == nil then error(err) end
    f:write(str)
    f:close()
end

writeFile("main.c", stub_code)

local modules = {}

for file in io.popen("dir /b src"):lines() do 
    table.insert(modules, file)
end

for _, modulename in ipairs(modules) do 
    local outname = modulename:sub(1, -5) .. ".o"
    run("copy /Y src\\" .. modulename .. " .")
    run("luajit -b " .. modulename .. " " .. outname)
    run("del " .. modulename)
    modules[_] = outname
end

run(CC .. " main.c " .. lua_slib .. " "  .. table.concat(modules, " "))
run("del " .. table.concat(modules, " "))