diff --git a/src/SPC/builder/Extension.php b/src/SPC/builder/Extension.php
index 5b6a3329..0bdb36d2 100644
--- a/src/SPC/builder/Extension.php
+++ b/src/SPC/builder/Extension.php
@@ -220,7 +220,7 @@ class Extension
      */
     public function patchBeforeSharedMake(): bool
     {
-        $config = (new SPCConfigUtil($this->builder))->config([$this->getName()], array_map(fn ($l) => $l->getName(), $this->builder->getLibs()));
+        $config = (new SPCConfigUtil($this->builder))->getExtensionConfig($this);
         [$staticLibs, $sharedLibs] = $this->splitLibsIntoStaticAndShared($config['libs']);
         $lstdcpp = str_contains($sharedLibs, '-l:libstdc++.a') ? '-l:libstdc++.a' : null;
         $lstdcpp ??= str_contains($sharedLibs, '-lstdc++') ? '-lstdc++' : '';
@@ -486,18 +486,46 @@ class Extension
         return $this->build_static;
     }
 
+    public function getLibraryDependencies(bool $recursive = false): array
+    {
+        $ret = array_filter($this->dependencies, fn ($x) => $x instanceof LibraryBase);
+        if (!$recursive) {
+            return $ret;
+        }
+
+        $deps = [];
+
+        $added = 1;
+        while ($added !== 0) {
+            $added = 0;
+            foreach ($ret as $depName => $dep) {
+                foreach ($dep->getDependencies(true) as $depdepName => $depdep) {
+                    if (!array_key_exists($depdepName, $deps)) {
+                        $deps[$depdepName] = $depdep;
+                        ++$added;
+                    }
+                }
+                if (!array_key_exists($depName, $deps)) {
+                    $deps[$depName] = $dep;
+                }
+            }
+        }
+
+        if (array_key_exists(0, $deps)) {
+            $zero = [0 => $deps[0]];
+            unset($deps[0]);
+            return $zero + $deps;
+        }
+        return $deps;
+    }
+
     /**
      * Returns the environment variables a shared extension needs to be built.
      * CFLAGS, CXXFLAGS, LDFLAGS and so on.
      */
     protected function getSharedExtensionEnv(): array
     {
-        $config = (new SPCConfigUtil($this->builder))->config(
-            [$this->getName()],
-            array_map(fn ($l) => $l->getName(), $this->getLibraryDependencies(recursive: true)),
-            $this->builder->getOption('with-suggested-exts'),
-            $this->builder->getOption('with-suggested-libs'),
-        );
+        $config = (new SPCConfigUtil($this->builder))->getExtensionConfig($this);
         [$staticLibs, $sharedLibs] = $this->splitLibsIntoStaticAndShared($config['libs']);
         $preStatic = PHP_OS_FAMILY === 'Darwin' ? '' : '-Wl,--start-group ';
         $postStatic = PHP_OS_FAMILY === 'Darwin' ? '' : ' -Wl,--end-group ';
@@ -567,37 +595,4 @@ class Extension
         }
         return [trim($staticLibString), trim($sharedLibString)];
     }
-
-    private function getLibraryDependencies(bool $recursive = false): array
-    {
-        $ret = array_filter($this->dependencies, fn ($x) => $x instanceof LibraryBase);
-        if (!$recursive) {
-            return $ret;
-        }
-
-        $deps = [];
-
-        $added = 1;
-        while ($added !== 0) {
-            $added = 0;
-            foreach ($ret as $depName => $dep) {
-                foreach ($dep->getDependencies(true) as $depdepName => $depdep) {
-                    if (!array_key_exists($depdepName, $deps)) {
-                        $deps[$depdepName] = $depdep;
-                        ++$added;
-                    }
-                }
-                if (!array_key_exists($depName, $deps)) {
-                    $deps[$depName] = $dep;
-                }
-            }
-        }
-
-        if (array_key_exists(0, $deps)) {
-            $zero = [0 => $deps[0]];
-            unset($deps[0]);
-            return $zero + $deps;
-        }
-        return $deps;
-    }
 }
diff --git a/src/SPC/builder/extension/grpc.php b/src/SPC/builder/extension/grpc.php
index 7388eaff..fb31c85f 100644
--- a/src/SPC/builder/extension/grpc.php
+++ b/src/SPC/builder/extension/grpc.php
@@ -43,7 +43,7 @@ class grpc extends Extension
     public function patchBeforeConfigure(): bool
     {
         $util = new SPCConfigUtil($this->builder, ['libs_only_deps' => true]);
-        $config = $util->config(['grpc']);
+        $config = $util->getExtensionConfig($this);
         $libs = $config['libs'];
         FileSystem::replaceFileStr(SOURCE_PATH . '/php-src/configure', '-lgrpc', $libs);
         return true;
diff --git a/src/SPC/builder/extension/rdkafka.php b/src/SPC/builder/extension/rdkafka.php
index 644b475a..58af50ff 100644
--- a/src/SPC/builder/extension/rdkafka.php
+++ b/src/SPC/builder/extension/rdkafka.php
@@ -7,6 +7,7 @@ namespace SPC\builder\extension;
 use SPC\builder\Extension;
 use SPC\store\FileSystem;
 use SPC\util\CustomExt;
+use SPC\util\SPCConfigUtil;
 
 #[CustomExt('rdkafka')]
 class rdkafka extends Extension
@@ -38,10 +39,7 @@ class rdkafka extends Extension
 
     public function getUnixConfigureArg(bool $shared = false): string
     {
-        $pkgconf_libs = shell()->execWithResult('pkg-config --libs --static rdkafka')[1];
-        $pkgconf_libs = trim(implode('', $pkgconf_libs));
-        $pkgconf_libs = str_replace(BUILD_LIB_PATH . '/lib', '-l', $pkgconf_libs);
-        $pkgconf_libs = str_replace('.a', '', $pkgconf_libs);
-        return '--with-rdkafka=' . ($shared ? 'shared,' : '') . BUILD_ROOT_PATH . ' RDKAFKA_LIBS="' . $pkgconf_libs . '"';
+        $pkgconf_libs = (new SPCConfigUtil($this->builder, ['no_php' => true, 'libs_only_deps' => true]))->getExtensionConfig($this);
+        return '--with-rdkafka=' . ($shared ? 'shared,' : '') . BUILD_ROOT_PATH . " RDKAFKA_LIBS=\"{$pkgconf_libs['libs']}\"";
     }
 }
diff --git a/src/SPC/builder/extension/swoole.php b/src/SPC/builder/extension/swoole.php
index 7ff4b331..f6ff5931 100644
--- a/src/SPC/builder/extension/swoole.php
+++ b/src/SPC/builder/extension/swoole.php
@@ -70,7 +70,7 @@ class swoole extends Extension
         $arg .= $this->builder->getExt('swoole-hook-mysql') ? ' --enable-mysqlnd' : ' --disable-mysqlnd';
         $arg .= $this->builder->getExt('swoole-hook-sqlite') ? ' --enable-swoole-sqlite' : ' --disable-swoole-sqlite';
         if ($this->builder->getExt('swoole-hook-odbc')) {
-            $config = (new SPCConfigUtil($this->builder, ['libs_only_deps' => true]))->config([], ['unixodbc']);
+            $config = (new SPCConfigUtil($this->builder))->getLibraryConfig($this->builder->getLib('unixodbc'));
             $arg .= ' --with-swoole-odbc=unixODBC,' . BUILD_ROOT_PATH . ' SWOOLE_ODBC_LIBS="' . $config['libs'] . '"';
         }
 
diff --git a/src/SPC/builder/unix/library/postgresql.php b/src/SPC/builder/unix/library/postgresql.php
index e55b6e93..6e0cb606 100644
--- a/src/SPC/builder/unix/library/postgresql.php
+++ b/src/SPC/builder/unix/library/postgresql.php
@@ -47,7 +47,7 @@ trait postgresql
     {
         $libs = array_map(fn ($x) => $x->getName(), $this->getDependencies(true));
         $spc = new SPCConfigUtil($this->builder, ['no_php' => true, 'libs_only_deps' => true]);
-        $config = $spc->config(libraries: $libs, include_suggest_lib: $this->builder->getOption('with-suggested-libs'));
+        $config = $spc->config(libraries: $libs, include_suggest_lib: $this->builder->getOption('with-suggested-libs', false));
 
         $env_vars = [
             'CFLAGS' => $config['cflags'],
diff --git a/src/SPC/util/SPCConfigUtil.php b/src/SPC/util/SPCConfigUtil.php
index f321ca10..51b0b2d7 100644
--- a/src/SPC/util/SPCConfigUtil.php
+++ b/src/SPC/util/SPCConfigUtil.php
@@ -7,6 +7,7 @@ namespace SPC\util;
 use SPC\builder\BuilderBase;
 use SPC\builder\BuilderProvider;
 use SPC\builder\Extension;
+use SPC\builder\LibraryBase;
 use SPC\exception\WrongUsageException;
 use SPC\store\Config;
 use Symfony\Component\Console\Input\ArgvInput;
@@ -53,6 +54,9 @@ class SPCConfigUtil
      */
     public function config(array $extensions = [], array $libraries = [], bool $include_suggest_ext = false, bool $include_suggest_lib = false): array
     {
+        logger()->debug('config extensions: ' . implode(',', $extensions));
+        logger()->debug('config libs: ' . implode(',', $libraries));
+        logger()->debug('config suggest for [ext, lib]: ' . ($include_suggest_ext ? 'true' : 'false') . ',' . ($include_suggest_lib ? 'true' : 'false'));
         $extra_exts = [];
         foreach ($extensions as $ext) {
             $extra_exts = array_merge($extra_exts, Config::getExt($ext, 'ext-suggests', []));
@@ -124,6 +128,61 @@ class SPCConfigUtil
         ];
     }
 
+    /**
+     * [Helper function]
+     * Get configuration for a specific extension(s) dependencies.
+     *
+     * @param Extension|Extension[] $extension           Extension instance or list
+     * @param bool                  $include_suggest_ext Whether to include suggested extensions
+     * @param bool                  $include_suggest_lib Whether to include suggested libraries
+     * @return array{
+     *     cflags: string,
+     *     ldflags: string,
+     *     libs: string
+     * }
+     */
+    public function getExtensionConfig(array|Extension $extension, bool $include_suggest_ext = false, bool $include_suggest_lib = false): array
+    {
+        if (!is_array($extension)) {
+            $extension = [$extension];
+        }
+        return $this->config(
+            extensions: array_map(fn ($x) => $x->getName(), $extension),
+            include_suggest_ext: $include_suggest_ext ?: $this->builder?->getOption('with-suggested-exts') ?? false,
+            include_suggest_lib: $include_suggest_lib ?: $this->builder?->getOption('with-suggested-libs') ?? false,
+        );
+    }
+
+    /**
+     * [Helper function]
+     * Get configuration for a specific library(s) dependencies.
+     *
+     * @param LibraryBase|LibraryBase[] $lib                 Library instance or list
+     * @param bool                      $include_suggest_lib Whether to include suggested libraries
+     * @return array{
+     *     cflags: string,
+     *     ldflags: string,
+     *     libs: string
+     * }
+     */
+    public function getLibraryConfig(array|LibraryBase $lib, bool $include_suggest_lib = false): array
+    {
+        if (!is_array($lib)) {
+            $lib = [$lib];
+        }
+        $save_no_php = $this->no_php;
+        $this->no_php = true;
+        $save_libs_only_deps = $this->libs_only_deps;
+        $this->libs_only_deps = true;
+        $ret = $this->config(
+            libraries: array_map(fn ($x) => $x->getName(), $lib),
+            include_suggest_lib: $include_suggest_lib ?: $this->builder?->getOption('with-suggested-libs') ?? false,
+        );
+        $this->no_php = $save_no_php;
+        $this->libs_only_deps = $save_libs_only_deps;
+        return $ret;
+    }
+
     private function hasCpp(array $extensions, array $libraries): bool
     {
         // judge cpp-extension