diff --git a/Core/Actions/Actions.lua b/Core/Actions/Actions.lua
index d24054f..a808209 100644
--- a/Core/Actions/Actions.lua
+++ b/Core/Actions/Actions.lua
@@ -60,6 +60,8 @@ local addBuildCommand = function(when, scriptType, path, cwdRelToProject, args)
         sRelCompilerWd  =  Aurora.Settings.sRelCompilerWd,
         sRelWin32       =  Aurora.Settings.sRelWin32,
         sRelUnixBins    =  Aurora.Settings.sRelUnixBins,
+        sAbsValac       =  Aurora.Settings.sAbsValac,
+        _punchthrough   =  Aurora.Settings._punchthrough -- for extended user code
     }
     command = command .. " --settings=" .. base64.encode(json.encode(settings))
     
diff --git a/Core/ResourceCompiler/run.lua b/Core/ResourceCompiler/run.lua
index d8763aa..c2df051 100644
--- a/Core/ResourceCompiler/run.lua
+++ b/Core/ResourceCompiler/run.lua
@@ -44,6 +44,14 @@ function resourceExit(exitCode)
     os.exit(exitCode)    
 end
 
+function resourceRun(cmd)
+    if (os.host() == "windows") then
+        return os.execute("call " .. cmd)
+    else
+        return os.execute(cmd)
+    end
+end
+
 function resourceRunAndExit(cmd)
     if (os.host() == "windows") then
         resourceExit(os.execute("call " .. cmd))
diff --git a/Core/Vala/Vala.lua b/Core/Vala/Vala.lua
index 3d83557..88f70b4 100644
--- a/Core/Vala/Vala.lua
+++ b/Core/Vala/Vala.lua
@@ -1,107 +1,80 @@
-local function isWin32()
-    return os.is("Windows")
-end
-
-local function findVala()
-    if (isWin32()) then
-        local auValac =  Aurora.Settings.sAbsValac or path.join(Aurora.Settings.sAbsWin32, "valac.exe")
-        if (os.isfile(auValac)) then return auValac end
-
-        local drive = path.getdrive(auGetRoot())
-
-        local localDriveClang = drive .. ":\\msys64\\clang64\\bin\\valac.exe"
-        if (os.isfile(localDriveClang)) then return localDriveClang end
-
-        local localDriveMingw = drive .. ":\\msys64\\mingw64\\bin\\valac.exe"
-        if (os.isfile(localDriveMingw)) then return localDriveMingw end
-
-        local localCClang = "C:\\msys64\\clang64\\bin\\valac.exe"
-        if (os.isfile(localCClang)) then return localCClang end
-
-        local localCMingw = "C:\\msys64\\mingw64\\bin\\valac.exe"
-        if (os.isfile(localCMingw)) then return localCMingw end
-    end
-
-    return "vallac"
-end
-
 local function addVala(extended)
-    local exec = findVala()
-
-    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 (usingClang) then
-            visibility "Default"
-        else
-            args = args .. " --symbols=symbols.CIA"
-            myBrainHurts = true
-            linkoptions {"/def:\"" .. expandPartialNonExistsFile("symbols.def") .. "\""}
+    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
-    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 .. "\""
 
-    local function onPackage(pkg) 
-        args = args .. " --pkg=" .. pkg
-    end
+            table.insert(resourceFiles, path)
 
-    auForEach(extended.package, onPackage)
-
-    args = args .. " --directory=\"" .. os.getcwd() .. "\""
-
-    args = args .. " --ccode"
-
-    if (extended.header) then
-        args = args .. " --header=\"" .. expandPartialNonExistsFile(extended.header) .. "\""
-    end
-
-    local function onSourceFile(partial)
-        local path = expandPartialNonExistsFile(partial)
-        args = args .. " \"".. 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)
-
-    --print(exec, args)
-    auAddBuildAction("pre", "bin", exec, true, args)
-
-    if (myBrainHurts) then
-        auAddBuildAction("pre", "lua", path.translate(path.join(Aurora.Settings.sAbsScripts, "Core", "Vala", "valaSym2Def.lua"), path.getDefaultSeparator()), true)
-    end
+            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
\ No newline at end of file
diff --git a/Core/Vala/run.lua b/Core/Vala/run.lua
new file mode 100644
index 0000000..3fe7582
--- /dev/null
+++ b/Core/Vala/run.lua
@@ -0,0 +1,45 @@
+print("Compiling vala files...")
+print("Changed: ", json.encode_pretty(auResourceCompiler.changedFiles))
+print("Unchanged: ", json.encode_pretty(auResourceCompiler.unchangedFiles))
+
+if (#auResourceCompiler.changedFiles == 0) then return end
+
+local args = auResourceCompiler.arguments.args
+
+local function addFile(file)
+    args = args .. " \"" .. file .. "\"" 
+end
+
+auForEach(auResourceCompiler.changedFiles, addFile)
+auForEach(auResourceCompiler.unchangedFiles, addFile)
+
+local function findVala()
+    if (os.host() == "windows") then
+        local auValac =  Aurora.Settings.sAbsValac or path.join(Aurora.Settings.sAbsWin32, "valac.exe")
+        if (os.isfile(auValac)) then return "\"".. auValac .. "\"" end
+
+        local drive = path.getdrive(auGetRoot())
+
+        local localDriveClang = drive .. ":\\msys64\\clang64\\bin\\valac.exe"
+        if (os.isfile(localDriveClang)) then return localDriveClang end
+
+        local localDriveMingw = drive .. ":\\msys64\\mingw64\\bin\\valac.exe"
+        if (os.isfile(localDriveMingw)) then return localDriveMingw end
+
+        local localCClang = "C:\\msys64\\clang64\\bin\\valac.exe"
+        if (os.isfile(localCClang)) then return localCClang end
+
+        local localCMingw = "C:\\msys64\\mingw64\\bin\\valac.exe"
+        if (os.isfile(localCMingw)) then return localCMingw end
+    end
+
+    return "vallac"
+end
+
+local exitCode = resourceRun(findVala() .. " " .. args)
+
+if (auResourceCompiler.arguments.symHack) then
+    auRequire("Core/Vala/valaSym2Def")
+end
+
+resourceExit(exitCode)
\ No newline at end of file
diff --git a/Core/Vala/valaSym2Def.lua b/Core/Vala/valaSym2Def.lua
index a2f027e..67ed625 100644
--- a/Core/Vala/valaSym2Def.lua
+++ b/Core/Vala/valaSym2Def.lua
@@ -9,7 +9,7 @@ for s in ciaData:gmatch("[^\r\n]+") do
     table.insert(exports, s)
 end
 
-local dllName = auBuild.projectTargetName .. ".dll"
+local dllName = auBuild.projectTargetFileName
 
 local buffer = ""
 buffer = buffer .. "LIBRARY   " .. dllName .. "\r\n"