diff --git a/src/SPC/builder/Extension.php b/src/SPC/builder/Extension.php
index a0a1e6d2..8d975837 100644
--- a/src/SPC/builder/Extension.php
+++ b/src/SPC/builder/Extension.php
@@ -313,6 +313,7 @@ class Extension
      */
     public function buildShared(): void
     {
+        logger()->info('Building extension [' . $this->getName() . '] as shared extension (' . $this->getName() . '.so)');
         if (file_exists(BUILD_MODULES_PATH . '/' . $this->getName() . '.so')) {
             logger()->info('extension ' . $this->getName() . ' already built, skipping');
             return;
@@ -322,7 +323,10 @@ class Extension
             if ($dependencyExt === null) {
                 throw new RuntimeException("extension {$this->name} requires shared extension {$name}");
             }
-            $dependencyExt->buildShared();
+            if ($dependencyExt->isBuildShared()) {
+                logger()->info('extension ' . $this->getName() . ' requires shared extension ' . $name);
+                $dependencyExt->buildShared();
+            }
         }
         match (PHP_OS_FAMILY) {
             'Darwin', 'Linux' => $this->buildUnixShared(),
@@ -341,11 +345,25 @@ class Extension
      */
     public function buildUnixShared(): void
     {
-        $config = (new SPCConfigUtil($this->builder))->config([$this->getName()]);
+        $config = (new SPCConfigUtil($this->builder))->config([$this->getName()], with_dependencies: true);
+        $sharedLibs = '';
+        $staticLibs = '';
+        foreach (explode('-l', $config['libs']) as $lib) {
+            $lib = trim($lib);
+            if ($lib === '') {
+                continue;
+            }
+            $static_lib = 'lib' . $lib . '.a';
+            if (file_exists(BUILD_LIB_PATH . '/' . $static_lib)) {
+                $staticLibs .= ' -l' . $lib;
+            } else {
+                $sharedLibs .= ' -l' . $lib;
+            }
+        }
         $env = [
             'CFLAGS' => $config['cflags'],
-            'LDFLAGS' => $config['ldflags'],
-            'LIBS' => $config['libs'],
+            'LDFLAGS' => $config['ldflags'] . ' -Wl,--allow-multiple-definition',
+            'LIBS' => '-Wl,-Bstatic ' . $staticLibs . ' -Wl,-Bdynamic ' . $sharedLibs,
             'LD_LIBRARY_PATH' => BUILD_LIB_PATH,
         ];
         // prepare configure args
diff --git a/src/SPC/builder/extension/spx.php b/src/SPC/builder/extension/spx.php
index dccf131c..ef9e95bf 100644
--- a/src/SPC/builder/extension/spx.php
+++ b/src/SPC/builder/extension/spx.php
@@ -5,7 +5,6 @@ declare(strict_types=1);
 namespace SPC\builder\extension;
 
 use SPC\builder\Extension;
-use SPC\store\FileSystem;
 use SPC\util\CustomExt;
 
 #[CustomExt('spx')]
@@ -13,17 +12,10 @@ class spx extends Extension
 {
     public function getUnixConfigureArg(bool $shared = false): string
     {
-        $arg = '--enable-spx';
+        $arg = '--enable-SPX';
         if ($this->builder->getExt('zlib') === null) {
             $arg .= ' --with-zlib-dir=' . BUILD_ROOT_PATH;
         }
         return $arg;
     }
-
-    public function patchBeforeSharedConfigure(): bool
-    {
-        FileSystem::replaceFileStr($this->source_dir . '/config.m4', 'PHP_ARG_ENABLE(SPX-DEV,', 'PHP_ARG_ENABLE(spx-dev,');
-        FileSystem::replaceFileStr($this->source_dir . '/config.m4', 'PHP_ARG_ENABLE(SPX,', 'PHP_ARG_ENABLE(spx,');
-        return true;
-    }
 }
diff --git a/src/SPC/builder/extension/xdebug.php b/src/SPC/builder/extension/xdebug.php
index 90f225ae..cdfeea8c 100644
--- a/src/SPC/builder/extension/xdebug.php
+++ b/src/SPC/builder/extension/xdebug.php
@@ -12,6 +12,6 @@ class xdebug extends Extension
 {
     protected function isZendExtension(): bool
     {
-        return str_contains($this->builder->getExt('zend')->getName(), 'xdebug');
+        return true;
     }
 }
diff --git a/src/SPC/store/SourcePatcher.php b/src/SPC/store/SourcePatcher.php
index 0c02e155..f78928de 100644
--- a/src/SPC/store/SourcePatcher.php
+++ b/src/SPC/store/SourcePatcher.php
@@ -43,7 +43,7 @@ class SourcePatcher
      */
     public static function patchBeforeBuildconf(BuilderBase $builder): void
     {
-        foreach ($builder->getExts(false) as $ext) {
+        foreach ($builder->getExts() as $ext) {
             if ($ext->patchBeforeBuildconf() === true) {
                 logger()->info('Extension [' . $ext->getName() . '] patched before buildconf');
             }
diff --git a/src/SPC/util/SPCConfigUtil.php b/src/SPC/util/SPCConfigUtil.php
index e0b92a2e..4b2fd19a 100644
--- a/src/SPC/util/SPCConfigUtil.php
+++ b/src/SPC/util/SPCConfigUtil.php
@@ -11,6 +11,7 @@ use SPC\exception\FileSystemException;
 use SPC\exception\RuntimeException;
 use SPC\exception\WrongUsageException;
 use SPC\store\Config;
+use SPC\store\FileSystem;
 use Symfony\Component\Console\Input\ArgvInput;
 
 class SPCConfigUtil
@@ -42,7 +43,7 @@ class SPCConfigUtil
      * @throws WrongUsageException
      * @throws \Throwable
      */
-    public function config(array $extensions = [], array $libraries = [], bool $include_suggest_ext = false, bool $include_suggest_lib = false): array
+    public function config(array $extensions = [], array $libraries = [], bool $include_suggest_ext = false, bool $include_suggest_lib = false, $with_dependencies = false): array
     {
         [$extensions, $libraries] = DependencyUtil::getExtsAndLibs($extensions, $libraries, $include_suggest_ext, $include_suggest_lib);
 
@@ -54,7 +55,7 @@ class SPCConfigUtil
         }
         ob_get_clean();
         $ldflags = $this->getLdflagsString();
-        $libs = $this->getLibsString($libraries);
+        $libs = $this->getLibsString($libraries, $with_dependencies);
         $cflags = $this->getIncludesString();
 
         // embed
@@ -97,13 +98,39 @@ class SPCConfigUtil
         return '-L' . BUILD_LIB_PATH;
     }
 
-    private function getLibsString(array $libraries): string
+    private function getLibsString(array $libraries, bool $withDependencies = false): string
     {
         $short_name = [];
         foreach (array_reverse($libraries) as $library) {
             $libs = Config::getLib($library, 'static-libs', []);
             foreach ($libs as $lib) {
-                $short_name[] = $this->getShortLibName($lib);
+                if ($withDependencies) {
+                    $noExt = str_replace('.a', '', $lib);
+                    $requiredLibs = [];
+                    $pkgconfFile = BUILD_LIB_PATH . "/pkgconfig/{$noExt}.pc";
+                    if (file_exists($pkgconfFile)) {
+                        $lines = file($pkgconfFile);
+                        foreach ($lines as $value) {
+                            if (str_starts_with($value, 'Libs')) {
+                                $items = explode(' ', $value);
+                                foreach ($items as $item) {
+                                    $item = trim($item);
+                                    if (str_starts_with($item, '-l')) {
+                                        $requiredLibs[] = $item;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    foreach ($requiredLibs as $requiredLib) {
+                        if (!in_array($requiredLib, $short_name)) {
+                            $short_name[] = $requiredLib;
+                        }
+                    }
+                }
+                else {
+                    $short_name[] = $this->getShortLibName($lib);
+                }
             }
             if (PHP_OS_FAMILY !== 'Darwin') {
                 continue;