diff --git a/src/SPC/builder/macos/library/attr.php b/src/SPC/builder/macos/library/attr.php
new file mode 100644
index 00000000..028deb26
--- /dev/null
+++ b/src/SPC/builder/macos/library/attr.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\macos\library;
+
+class attr extends MacOSLibraryBase
+{
+    use \SPC\builder\unix\library\attr;
+
+    public const NAME = 'attr';
+}
diff --git a/src/SPC/builder/macos/library/libacl.php b/src/SPC/builder/macos/library/libacl.php
new file mode 100644
index 00000000..51f812dc
--- /dev/null
+++ b/src/SPC/builder/macos/library/libacl.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\macos\library;
+
+class libacl extends MacOSLibraryBase
+{
+    use \SPC\builder\unix\library\libacl;
+
+    public const NAME = 'libacl';
+}