add event support

src/SPC/builder/extension/event.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\extension;
+
+use SPC\builder\Extension;
+use SPC\util\CustomExt;
+
+#[CustomExt('event')]
+class event extends Extension
+{
+    public function getUnixConfigureArg(): string
+    {
+        $arg = '--with-event-core --with-event-extra --with-event-libevent-dir=' . BUILD_ROOT_PATH;
+        if ($this->builder->getLib('openssl')) {
+            $arg .= ' --with-event-openssl=' . BUILD_ROOT_PATH;
+        }
+        if ($this->builder->getExt('sockets')) {
+            $arg .= ' --enable-event-sockets';
+        } else {
+            $arg .= ' --disable-event-sockets';
+        }
+        return $arg;
+    }
+}