From 4eac953c71b19ad85db6ca273bc65c7cef3488d8 Mon Sep 17 00:00:00 2001
From: DubbleClick <m@pyc.ac>
Date: Tue, 26 Aug 2025 14:07:49 +0700
Subject: [PATCH] ensure liburing is only pulled in by suggested libs when
 glibc >= 2.30 (or musl)

---
 config/lib.json                            |  3 ++-
 src/SPC/builder/extension/swoole.php       |  6 ++++--
 src/SPC/builder/linux/library/liburing.php | 10 +++++++++-
 src/SPC/util/DependencyUtil.php            | 16 ++++++++++++++++
 src/SPC/util/SPCTarget.php                 |  4 ++++
 5 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/config/lib.json b/config/lib.json
index 079ebc1e..ffedd938 100644
--- a/config/lib.json
+++ b/config/lib.json
@@ -939,6 +939,7 @@
         "headers-linux": [
             "liburing/",
             "liburing.h"
-        ]
+        ],
+        "glibc-min": "2.30"
     }
 }
diff --git a/src/SPC/builder/extension/swoole.php b/src/SPC/builder/extension/swoole.php
index 34dd6233..e3f8c105 100644
--- a/src/SPC/builder/extension/swoole.php
+++ b/src/SPC/builder/extension/swoole.php
@@ -69,8 +69,10 @@ class swoole extends Extension
         $arg .= $this->builder->getExt('swoole-hook-mysql') ? ' --enable-mysqlnd' : ' --disable-mysqlnd';
         $arg .= $this->builder->getExt('swoole-hook-sqlite') ? ' --enable-swoole-sqlite' : ' --disable-swoole-sqlite';
 
-        $config = (new SPCConfigUtil($this->builder, ['libs_only_deps' => true]))->config([], ['unixodbc']);
-        $arg .= $this->builder->getExt('swoole-hook-odbc') ? ' --with-swoole-odbc=unixODBC,' . BUILD_ROOT_PATH . ' SWOOLE_ODBC_LIBS="' . $config['libs'] . '"' : '';
+        if ($this->builder->getExt('swoole-hook-odbc')) {
+            $config = (new SPCConfigUtil($this->builder, ['libs_only_deps' => true]))->config([], ['unixodbc']);
+            $arg .= ' --with-swoole-odbc=unixODBC,' . BUILD_ROOT_PATH . ' SWOOLE_ODBC_LIBS="' . $config['libs'] . '"';
+        }
         return $arg;
     }
 }
diff --git a/src/SPC/builder/linux/library/liburing.php b/src/SPC/builder/linux/library/liburing.php
index 62e32f88..08d871f4 100644
--- a/src/SPC/builder/linux/library/liburing.php
+++ b/src/SPC/builder/linux/library/liburing.php
@@ -4,7 +4,9 @@ declare(strict_types=1);
 
 namespace SPC\builder\linux\library;
 
+use SPC\exception\WrongUsageException;
 use SPC\util\executor\UnixAutoconfExecutor;
+use SPC\util\SPCTarget;
 
 class liburing extends LinuxLibraryBase
 {
@@ -12,8 +14,14 @@ class liburing extends LinuxLibraryBase
 
     protected function build(): void
     {
-        // Build liburing with static linking via autoconf
+        if (SPCTarget::getLibc() === 'glibc' && SPCTarget::getLibcVersion() < 2.30) {
+            throw new WrongUsageException('liburing requires glibc >= 2.30');
+        }
+
         UnixAutoconfExecutor::create($this)
+            ->appendEnv([
+                'CFLAGS' => '-D_GNU_SOURCE'
+            ])
             ->removeConfigureArgs(
                 '--disable-shared',
                 '--enable-static',
diff --git a/src/SPC/util/DependencyUtil.php b/src/SPC/util/DependencyUtil.php
index 83123f65..9d1aa0f6 100644
--- a/src/SPC/util/DependencyUtil.php
+++ b/src/SPC/util/DependencyUtil.php
@@ -76,6 +76,14 @@ class DependencyUtil
                 $del_list = [];
                 foreach ($obj['suggests'] as $id => $suggest) {
                     if (!str_starts_with($suggest, 'ext@')) {
+                        $glibcMin = Config::getLib($suggest, 'glibc-min');
+                        if ($glibcMin !== null) {
+                            $libc = SPCTarget::getLibc();
+                            $ver = SPCTarget::getLibcVersion();
+                            if ($libc === 'glibc' && version_compare($ver, (string) $glibcMin, '<')) {
+                                continue;
+                            }
+                        }
                         $dep_list[$name]['depends'][] = $suggest;
                         $del_list[] = $id;
                     }
@@ -134,6 +142,14 @@ class DependencyUtil
                 $del_list = [];
                 foreach ($obj['suggests'] as $id => $suggest) {
                     if (!str_starts_with($suggest, 'ext@')) {
+                        $glibcMin = Config::getLib($suggest, 'glibc-min');
+                        if ($glibcMin !== null) {
+                            $libc = SPCTarget::getLibc();
+                            $ver = SPCTarget::getLibcVersion();
+                            if ($libc === 'glibc' && version_compare($ver, (string) $glibcMin, '<')) {
+                                continue;
+                            }
+                        }
                         $dep_list[$name]['depends'][] = $suggest;
                         $del_list[] = $id;
                     }
diff --git a/src/SPC/util/SPCTarget.php b/src/SPC/util/SPCTarget.php
index c6519a9a..981f51cd 100644
--- a/src/SPC/util/SPCTarget.php
+++ b/src/SPC/util/SPCTarget.php
@@ -100,6 +100,10 @@ class SPCTarget
     public static function getLibcVersion(): ?string
     {
         if (PHP_OS_FAMILY === 'Linux') {
+            $target = getenv('SPC_TARGET');
+            if (str_contains($target, '-gnu.2.')) {
+                return preg_match('/-gnu\.(2\.\d+)/', $target, $matches) ? $matches[1] : null;
+            }
             $libc = self::getLibc();
             return SystemUtil::getLibcVersionIfExists($libc);
         }