Improve precompiled DX

lib/bundlex/build_script.ex

@@ -3,7 +3,7 @@ defmodule Bundlex.BuildScript do
 
   use Bunch
 
-  alias Bundlex.Platform
+  alias Bundlex.{Output, Platform}
 
   @script_ext unix: ".sh", windows: ".bat"
   @script_prefix unix: "#!/bin/sh\n", windows: "@echo off\r\n"
@@ -29,7 +29,7 @@ defmodule Bundlex.BuildScript do
   def run(script, platform)
 
   def run(%__MODULE__{commands: []}, _platform) do
-    IO.warn("The list of commands is empty, did you forget to specify natives?")
+    Output.warn("The list of commands is empty, did you forget to specify natives?")
   end
 
   def run(%__MODULE__{commands: commands}, platform) do

lib/bundlex/loader.ex

@@ -140,11 +140,15 @@ defmodule Bundlex.Loader do
         :ok
       else
         {:error, {reason, text}} ->
-          raise """
+          require Logger
+
+          Logger.error("""
           Bundlex cannot load nif #{inspect(nif_name)} of app #{inspect(app)}
           from "#{path}", check bundlex.exs file for information about nifs.
           Reason: #{inspect(reason)}, #{to_string(text)}
-          """
+          """)
+
+          :abort
       end
     end
   end

lib/bundlex/native.ex

@@ -106,7 +106,7 @@ defmodule Bundlex.Native do
 
       native =
         if native.pkg_configs != [] do
-          IO.warn("`pkg_configs` option has been deprecated. Please use `os_deps` option.")
+          Output.warn("`pkg_configs` option has been deprecated. Please use `os_deps` option.")
           %{native | os_deps: [{:pkg_config, native.pkg_configs} | native.os_deps]}
         else
           native

lib/bundlex/output.ex

@@ -6,6 +6,11 @@ defmodule Bundlex.Output do
     Mix.shell().info("Bundlex: " <> msg)
   end
 
+  @spec warn(String.t()) :: :ok
+  def warn(msg) do
+    IO.warn("Bundlex: " <> msg, [])
+  end
+
   @spec raise(binary()) :: no_return()
   def raise(msg) do
     Mix.raise("Bundlex: " <> msg)

lib/bundlex/platform.ex

@@ -41,7 +41,9 @@ defmodule Bundlex.Platform do
   Otherwise raises Mix error.
   """
   @spec get_target!() :: name_t
-  if Mix.target() == :host do
+  mix_target = Mix.target()
+
+  if mix_target == :host do
     def get_target!(), do: get_host!()
   else
     def get_target!() do
@@ -50,7 +52,10 @@ defmodule Bundlex.Platform do
           :nerves
 
         :error ->
-          IO.warn("Crosscompilation supported only for Nerves systems, assuming host's platform")
+          Output.warn(
+            "MIX_TARGET #{inspect(unquote(mix_target))} is not supported. Bundlex will compile for the host platform."
+          )
+
           get_host!()
       end
     end

lib/bundlex/project.ex

@@ -47,15 +47,21 @@ defmodule Bundlex.Project do
     - `precompiled` - Downloads the dependency from a given url and sets appropriate compilation
     and linking flags. Can be either `{:precompiled, url, libs}` or `{:precompiled, url}`, in which
     case the dependency name will be used as the lib name.
-    Precompiled dependencies for given applications (Mix projects) can be disabled via configuration, for example:
+    Precompiled dependencies can be disabled via configuration globally:
 
-  ```elixir
-    config :bundlex, :disable_precompiled_os_deps,
-      apps: [:my_application, :another_application]
-    ```
+      ```elixir
+      config :bundlex, :disable_precompiled_os_deps, true
+      ```
 
-    Note that this will affect the natives and libs defined in the `bundlex.exs` files of specified
-    applications only, not in their dependencies.
+      or for given applications (Mix projects), for example:
+
+      ```elixir
+      config :bundlex, :disable_precompiled_os_deps,
+        apps: [:my_application, :another_application]
+      ```
+
+      Note that this will affect the natives and libs defined in the `bundlex.exs` files of specified
+      applications only, not in their dependencies.
 
     Check `t:os_dep/0` for details.
   * `pkg_configs` - (deprecated, use `os_deps` instead) Names of libraries for which the appropriate flags will be

lib/bundlex/toolchain/common/unix/os_deps.ex

@@ -38,7 +38,7 @@ defmodule Bundlex.Toolchain.Common.Unix.OSDeps do
       end
 
     if is_old_api do
-      IO.warn("""
+      Output.warn("""
       Native #{inspect(native_name)} uses deprecated syntax for `os_deps`. \
       See `Bundlex.Project.os_dep` for the new syntax.
       """)
@@ -110,12 +110,13 @@ defmodule Bundlex.Toolchain.Common.Unix.OSDeps do
   end
 
   defp resolve_os_dep_provider(name, {:precompiled, url, lib_names}, native) do
-    disabled_apps =
-      Application.get_env(:bundlex, :disable_precompiled_os_deps, [])
-      |> Keyword.get(:apps, [])
-      |> Bunch.listify()
+    is_precompiled_disabled =
+      case Application.get_env(:bundlex, :disable_precompiled_os_deps, false) do
+        bool when is_boolean(bool) -> bool
+        [apps: apps] when is_list(apps) -> native.app in apps
+      end
 
-    if native.app in disabled_apps do
+    if is_precompiled_disabled do
       {:error,
        """
        is disabled in the application configuration, check the config.exs file.
@@ -136,7 +137,7 @@ defmodule Bundlex.Toolchain.Common.Unix.OSDeps do
     create_relative_symlink(lib_path, output_path, dep_dir_name)
 
     # TODO: pass the platform via arguments
-    # $ORIGIN must be escaped soo that it's not treated as an ENV variable
+    # $ORIGIN must be escaped so that it's not treated as an ENV variable
     rpath_root = if Bundlex.platform() == :macosx, do: "@loader_path", else: "\\$ORIGIN"
 
     [
@@ -183,11 +184,13 @@ defmodule Bundlex.Toolchain.Common.Unix.OSDeps do
       |> then(&{:ok, &1})
     rescue
       e ->
-        {:error,
-         """
-         couldn't load #{inspect(pkg_configs)} libraries with pkg-config due to:
-         #{format_exception(e)}
-         """}
+        error = """
+        couldn't load #{inspect(pkg_configs)} libraries with pkg-config due to:
+        #{format_exception(e)}
+        """
+
+        Output.warn(error)
+        {:error, error}
     end
   end
 
@@ -222,11 +225,13 @@ defmodule Bundlex.Toolchain.Common.Unix.OSDeps do
         e ->
           File.rm_rf!(package_path)
 
-          {:error,
-           """
-           couldn't download and extract the precompiled dependency #{inspect(name)} due to:
-           #{format_exception(e)}
-           """}
+          error = """
+          couldn't download and extract the precompiled dependency #{inspect(name)} due to:
+          #{format_exception(e)}
+          """
+
+          Output.warn(error)
+          {:error, error}
       end
     end
   end

mix.exs

@@ -1,7 +1,7 @@
 defmodule Bundlex.Mixfile do
   use Mix.Project
 
-  @version "1.4.4"
+  @version "1.4.5"
   @github_url "https://github.com/membraneframework/bundlex"
 
   def project do