local function addVala(extended)
    auFilterForPlatforms(function(platform)
        local isWin32 = platform == "win32"
        local args = ""
    
        local function expandPartialRelDir(partial) 
            return os.realpath(partial) --path.translate(path.join(os.getcwd(), partial), path.getDefaultSeparator())
        end
    
        local function expandPartialNonExistsFile(partial) 
            return path.translate(path.join(os.getcwd(), partial), path.getDefaultSeparator())
        end
    
        local function onGir(partial)
            args = args .. " --girdir=\"" .. expandPartialRelDir(partial) .. "\"" 
        end
    
        local function onVApi(partial)
            args = args .. " --vapidir=\"" .. expandPartialRelDir(partial) .. "\"" 
        end
    
        auForEach(extended.gir, onGir)
        auForEach(extended.vapi, onVApi)
    
        if (extended.girFile) then
            args = args .. " --gir=" .. extended.girFile
        end
    
        local myBrainHurts = false
    
        local info = auGetCurrentProjectMeta()
        
        if ((info.projectType:lower() == "sharedlib") or (extended.girFile)) then
            args = args .. " --library=" .. (extended.name or info.name)
            if (isWin32) then
                args = args .. " --symbols=symbols.CIA"
                myBrainHurts = true
                linkoptions {"/def:\"" .. expandPartialNonExistsFile("symbols.def") .. "\""}
            else
                visibility "Default"
            end
        end
    
        local function onPackage(pkg) 
            args = args .. " --pkg=" .. pkg
        end
    
        auForEach(extended.package, onPackage)
    
        args = args .. " --directory=\"" .. os.getcwd() .. "\""
    
        args = args .. " --ccode"
    
        if (extended.header) then
            args = args .. " --header=\"" .. expandPartialNonExistsFile(extended.header) .. "\""
        end
    
    
        local resourceFiles = {}
        local function onSourceFile(partial)
            local path = expandPartialNonExistsFile(partial) -- eh? didnt't we just use matchfiles?
            --args = args .. " \"".. path .. "\""

            table.insert(resourceFiles, path)

            local cfile = path:gsub("%.vala", "") .. ".c"
            files(cfile)
            files(path)
        end
    
        local function onSourcePattern(pattern)
            auForEach(os.matchfiles(pattern), onSourceFile)
        end
    
        auForEach(extended.sources, onSourcePattern)
        auAddResource(resourceFiles, {args = args, symHack = myBrainHurts}, path.join(Aurora.Settings.sAbsScripts, "Core", "Vala", "run.lua"))
    end)
end

return addVala