change extension to custom

src/SPC/builder/extension/xml.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\extension;
+
+use SPC\builder\Extension;
+use SPC\exception\RuntimeException;
+use SPC\util\CustomExt;
+
+#[CustomExt('xml')]
+#[CustomExt('soap')]
+#[CustomExt('xmlreader')]
+#[CustomExt('xmlwriter')]
+#[CustomExt('dom')]
+#[CustomExt('simplexml')]
+class xml extends Extension
+{
+    /**
+     * @throws RuntimeException
+     */
+    public function getUnixConfigureArg(): string
+    {
+        $arg = match ($this->name) {
+            'xml' => '--enable-xml',
+            'soap' => '--enable-soap',
+            'xmlreader' => '--enable-xmlreader',
+            'xmlwriter' => '--enable-xmlwriter',
+            'dom' => '--enable-dom',
+            'simplexml' => '--enable-simplexml',
+            default => throw new RuntimeException('Not accept non-xml extension'),
+        };
+        $arg .= ' --with-libxml="' . BUILD_ROOT_PATH . '" ' .
+            'LIBXML_CFLAGS=-I"' . realpath('include/libxml2') . '" ' .
+            'LIBXML_LIBS="' . $this->getLibFilesString() . '" ';
+        return $arg;
+    }
+}