update

phoenix/deps/cc_precompiler/lib/compilation_script/compilation_script.ex

@@ -0,0 +1,10 @@
+defmodule CCPrecompiler.CompilationScript do
+  @callback compile(
+              app :: atom(),
+              version :: String.t(),
+              nif_version :: String.t(),
+              target :: String.t(),
+              command_line_args :: [String.t()],
+              custom_args :: [String.t()]
+            ) :: :ok | {:error, String.t()}
+end