add fastlz, libmemcached for linux

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

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

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

@@ -4,17 +4,14 @@ declare(strict_types=1);
 
 namespace SPC\builder\linux\library;
 
-use SPC\exception\RuntimeException;
+use SPC\util\executor\UnixCMakeExecutor;
 
-/**
- * gmp is a template library class for unix
- */
 class libmemcached extends LinuxLibraryBase
 {
     public const NAME = 'libmemcached';
 
-    public function build()
+    public function build(): void
     {
-        throw new RuntimeException('libmemcached is currently not supported on Linux platform');
+        UnixCMakeExecutor::create($this)->build();
     }
 }