add xdebug dynamic extension

config/ext.json

@@ -888,13 +888,16 @@
         ]
     },
     "xdebug": {
-        "type": "builtin",
+        "type": "external",
         "support": {
             "Windows": "wip",
             "BSD": "no",
             "Darwin": "no",
-            "Linux": "no"
+            "Linux": "wip"
         },
+        "lib-depends": [
+            "xdebug"
+        ],
         "notes": true
     },
     "xhprof": {

config/lib.json

@@ -738,6 +738,12 @@
             "libiconv"
         ]
     },
+    "xdebug": {
+        "source": "xdebug",
+        "static-libs-unix": [
+            "xdebug.so"
+        ]
+    },
     "xz": {
         "source": "xz",
         "static-libs-unix": [

config/source.json

@@ -895,6 +895,17 @@
             "path": "COPYING"
         }
     },
+    "xdebug": {
+        "type": "ghrel",
+        "repo": "xdebug/xdebug",
+        "match": "Source code",
+        "prefer-stable": true,
+        "provide-pre-built": false,
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
     "xhprof": {
         "type": "url",
         "url": "https://pecl.php.net/get/xhprof",

src/SPC/builder/extension/xdebug.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\extension;
+
+use SPC\builder\Extension;
+use SPC\util\DynamicExt;
+
+#[DynamicExt]
+class xdebug extends Extension {}

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

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\linux\library;
+
+use SPC\util\DynamicExt;
+
+#[DynamicExt]
+class xdebug extends LinuxLibraryBase
+{
+    use \SPC\builder\unix\library\xdebug;
+
+    public const NAME = 'xdebug';
+}

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

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\unix\library;
+
+use SPC\exception\FileSystemException;
+use SPC\exception\RuntimeException;
+
+trait xdebug
+{
+    /**
+     * @throws RuntimeException
+     * @throws FileSystemException
+     */
+    public function build(): void
+    {
+        shell()->cd($this->source_dir)
+            ->exec(BUILD_BIN_PATH . '/phpize')
+            ->exec('./configure --with-php-config=' . BUILD_BIN_PATH . '/php-config')
+            ->exec('make clean')
+            ->exec("make -j{$this->builder->concurrency}");
+        copy($this->source_dir . '/modules/xdebug.so', BUILD_LIB_PATH . '/xdebug.so');
+        copy($this->source_dir . '/modules/xdebug.la', BUILD_LIB_PATH . '/xdebug.la');
+    }
+}

src/SPC/command/BuildPHPCommand.php

@@ -11,6 +11,7 @@ use SPC\store\Config;
 use SPC\store\FileSystem;
 use SPC\store\SourcePatcher;
 use SPC\util\DependencyUtil;
+use SPC\util\DynamicExt;
 use SPC\util\GlobalEnvManager;
 use SPC\util\LicenseDumper;
 use Symfony\Component\Console\Attribute\AsCommand;
@@ -109,6 +110,18 @@ class BuildPHPCommand extends BuildCommand
             $include_suggest_lib = $this->getOption('with-suggested-libs');
             [$extensions, $libraries, $not_included] = DependencyUtil::getExtsAndLibs($extensions, $libraries, $include_suggest_ext, $include_suggest_lib);
             $display_libs = array_filter($libraries, fn ($lib) => in_array(Config::getLib($lib, 'type', 'lib'), ['lib', 'package']));
+            $dynamic_libs = $dynamic_exts = array_filter($extensions, function (string $ext) {
+                $classes = FileSystem::getClassesPsr4(ROOT_DIR . '/src/SPC/builder/extension', 'SPC\builder\extension');
+                $extension = array_find($classes, function (string $class) use ($ext) {
+                    $a = explode('\\', $class);
+                    return end($a) === $ext;
+                });
+                $reflector = new \ReflectionClass($extension);
+                $attributes = $reflector->getAttributes();
+                return array_find($attributes, fn ($attr) => $attr->getName() === DynamicExt::class) !== null;
+            });
+            $extensions = array_diff($extensions, $dynamic_exts);
+            $libraries = array_diff($libraries, $dynamic_libs);
 
             // print info
             $indent_texts = [
@@ -153,7 +166,7 @@ class BuildPHPCommand extends BuildCommand
             $builder->proveLibs($libraries);
             // check extensions
             $builder->proveExts($extensions);
-            // validate libs and exts
+            // validate libs and extensions
             $builder->validateLibsAndExts();
 
             // clean builds and sources
@@ -183,6 +196,13 @@ class BuildPHPCommand extends BuildCommand
             // start to build
             $builder->buildPHP($rule);
 
+            if ($rule & BUILD_TARGET_EMBED) {
+                // build dynamic extensions
+                $builder->proveLibs($dynamic_libs);
+                // build or install libraries
+                $builder->setupLibs();
+            }
+
             // compile stopwatch :P
             $time = round(microtime(true) - START_TIME, 3);
             logger()->info('');
@@ -217,7 +237,7 @@ class BuildPHPCommand extends BuildCommand
             file_put_contents(BUILD_ROOT_PATH . '/build-libraries.json', json_encode($libraries, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
             // export licenses
             $dumper = new LicenseDumper();
-            $dumper->addExts($extensions)->addLibs($libraries)->addSources(['php-src'])->dump(BUILD_ROOT_PATH . '/license');
+            $dumper->addExts($extensions)->addLibs($libraries)->addLibs($dynamic_libs)->addSources(['php-src'])->dump(BUILD_ROOT_PATH . '/license');
             $path = FileSystem::convertPath("{$build_root_path}/license/");
             logger()->info("License path{$fixed}: {$path}");
             return static::SUCCESS;

src/SPC/store/Downloader.php

@@ -73,7 +73,7 @@ class Downloader
             $url = $data[0]['tarball_url'];
         } else {
             $id = 0;
-            while ($data[$id]['prerelease'] === true) {
+            while (($data[$id]['prerelease'] ?? false) === true) {
                 ++$id;
             }
             $url = $data[$id]['tarball_url'] ?? null;
@@ -122,6 +122,10 @@ class Downloader
             if (!$match_result) {
                 return $release['assets'];
             }
+            if ($source['match'] === 'Source code') {
+                $url = $release['tarball_url'];
+                break;
+            }
             foreach ($release['assets'] as $asset) {
                 if (preg_match('|' . $source['match'] . '|', $asset['name'])) {
                     $url = $asset['browser_download_url'];
@@ -134,6 +138,9 @@ class Downloader
             throw new DownloaderException("failed to find {$name} release metadata");
         }
         $filename = basename($url);
+        if ($source['match'] === 'Source code') {
+            $filename = $name . $filename . '.tar.gz';
+        }
 
         return [$url, $filename];
     }

src/SPC/util/DynamicExt.php

@@ -0,0 +1,8 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\util;
+
+#[\Attribute(\Attribute::IS_REPEATABLE | \Attribute::TARGET_CLASS)]
+class DynamicExt {}