Add re2c build

src/SPC/builder/linux/library/re2c.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\linux\library;
+
+/**
+ * a template library class for unix
+ */
+class re2c extends LinuxLibraryBase
+{
+    use \SPC\builder\unix\library\re2c;
+
+    public const NAME = 're2c';
+}

src/SPC/builder/macos/library/re2c.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\macos\library;
+
+class re2c extends MacOSLibraryBase
+{
+    use \SPC\builder\unix\library\re2c;
+
+    public const NAME = 're2c';
+}

src/SPC/builder/unix/library/re2c.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\unix\library;
+
+use SPC\util\executor\UnixCMakeExecutor;
+
+trait re2c
+{
+    protected function build(): void
+    {
+        UnixCMakeExecutor::create($this)->build();
+    }
+}