diff --git a/config/lib.json b/config/lib.json
index 26910ec0..34104af1 100644
--- a/config/lib.json
+++ b/config/lib.json
@@ -36,9 +36,9 @@
     "brotli": {
         "source": "brotli",
         "static-libs-unix": [
+            "libbrotlicommon.a",
             "libbrotlidec.a",
-            "libbrotlienc.a",
-            "libbrotlicommon.a"
+            "libbrotlienc.a"
         ],
         "static-libs-windows": [
             "brotlicommon.lib",
@@ -200,11 +200,10 @@
     "icu": {
         "source": "icu",
         "cpp-library": true,
-        "static-libs-unix": [
-            "libicui18n.a",
-            "libicuio.a",
-            "libicuuc.a",
-            "libicudata.a"
+        "pkg-configs": [
+            "icu-uc",
+            "icu-i18n",
+            "icu-io"
         ]
     },
     "icu-static-win": {
diff --git a/src/SPC/builder/LibraryBase.php b/src/SPC/builder/LibraryBase.php
index 8d07f2e5..13fb9b5a 100644
--- a/src/SPC/builder/LibraryBase.php
+++ b/src/SPC/builder/LibraryBase.php
@@ -183,8 +183,7 @@ abstract class LibraryBase
             }
         }
         if (!$this->isLibraryInstalled()) {
-            $this->tryInstall($lock, true);
-            return LIB_STATUS_OK;
+            return $this->tryInstall($lock, true);
         }
         return LIB_STATUS_ALREADY;
     }
diff --git a/src/SPC/builder/freebsd/library/curl.php b/src/SPC/builder/freebsd/library/curl.php
index 4eeab20d..2cad3ee7 100644
--- a/src/SPC/builder/freebsd/library/curl.php
+++ b/src/SPC/builder/freebsd/library/curl.php
@@ -9,13 +9,4 @@ class curl extends BSDLibraryBase
     use \SPC\builder\unix\library\curl;
 
     public const NAME = 'curl';
-
-    public function getStaticLibFiles(string $style = 'autoconf', bool $recursive = true, bool $include_self = true): string
-    {
-        $libs = parent::getStaticLibFiles($style, $recursive, $include_self);
-        if ($this->builder->getLib('openssl')) {
-            $this->builder->setOption('extra-libs', $this->builder->getOption('extra-libs') . ' /usr/lib/libpthread.a /usr/lib/libdl.a');
-        }
-        return $libs;
-    }
 }
diff --git a/src/SPC/builder/linux/library/curl.php b/src/SPC/builder/linux/library/curl.php
index f382773f..20ed10f2 100644
--- a/src/SPC/builder/linux/library/curl.php
+++ b/src/SPC/builder/linux/library/curl.php
@@ -9,13 +9,4 @@ class curl extends LinuxLibraryBase
     use \SPC\builder\unix\library\curl;
 
     public const NAME = 'curl';
-
-    public function getStaticLibFiles(string $style = 'autoconf', bool $recursive = true, bool $include_self = true): string
-    {
-        $libs = parent::getStaticLibFiles($style, $recursive, $include_self);
-        if ($this->builder->getLib('openssl')) {
-            $libs .= ' -ldl -lpthread';
-        }
-        return $libs;
-    }
 }
diff --git a/src/SPC/builder/linux/library/icu.php b/src/SPC/builder/linux/library/icu.php
index c911a2fe..7b8bcf8e 100644
--- a/src/SPC/builder/linux/library/icu.php
+++ b/src/SPC/builder/linux/library/icu.php
@@ -38,7 +38,7 @@ class icu extends LinuxLibraryBase
             ->exec("make -j{$this->builder->concurrency}")
             ->exec('make install');
 
-        $this->patchPkgconfPrefix(['icu-i18n.pc', 'icu-io.pc', 'icu-uc.pc'], PKGCONF_PATCH_PREFIX);
+        $this->patchPkgconfPrefix(patch_option: PKGCONF_PATCH_PREFIX);
         FileSystem::removeDir(BUILD_LIB_PATH . '/icu');
     }
 }
diff --git a/src/SPC/builder/linux/library/openssl.php b/src/SPC/builder/linux/library/openssl.php
index 252eb47f..1030cfb8 100644
--- a/src/SPC/builder/linux/library/openssl.php
+++ b/src/SPC/builder/linux/library/openssl.php
@@ -91,13 +91,4 @@ class openssl extends LinuxLibraryBase
         FileSystem::replaceFileRegex(BUILD_LIB_PATH . '/pkgconfig/libcrypto.pc', '/Libs.private:.*/m', 'Libs.private: ${libdir}/libz.a');
         FileSystem::replaceFileRegex(BUILD_LIB_PATH . '/cmake/OpenSSL/OpenSSLConfig.cmake', '/set\(OPENSSL_LIBCRYPTO_DEPENDENCIES .*\)/m', 'set(OPENSSL_LIBCRYPTO_DEPENDENCIES "${OPENSSL_LIBRARY_DIR}/libz.a")');
     }
-
-    public function getStaticLibFiles(string $style = 'autoconf', bool $recursive = true, bool $include_self = true): string
-    {
-        $libFiles = parent::getStaticLibFiles($style, $recursive, $include_self);
-        if (!str_contains('-ldl -lpthread', $libFiles)) {
-            $libFiles .= ' -ldl -lpthread';
-        }
-        return $libFiles;
-    }
 }
diff --git a/src/SPC/builder/macos/library/icu.php b/src/SPC/builder/macos/library/icu.php
index d49f43f8..ebe1946f 100644
--- a/src/SPC/builder/macos/library/icu.php
+++ b/src/SPC/builder/macos/library/icu.php
@@ -21,7 +21,7 @@ class icu extends MacOSLibraryBase
             ->exec("make -j{$this->builder->concurrency}")
             ->exec('make install');
 
-        $this->patchPkgconfPrefix(['icu-i18n.pc', 'icu-io.pc', 'icu-uc.pc'], PKGCONF_PATCH_PREFIX);
+        $this->patchPkgconfPrefix(patch_option: PKGCONF_PATCH_PREFIX);
         FileSystem::removeDir(BUILD_LIB_PATH . '/icu');
     }
 }
diff --git a/src/SPC/builder/traits/UnixLibraryTrait.php b/src/SPC/builder/traits/UnixLibraryTrait.php
index e98a6f3a..21ed4a6d 100644
--- a/src/SPC/builder/traits/UnixLibraryTrait.php
+++ b/src/SPC/builder/traits/UnixLibraryTrait.php
@@ -4,11 +4,12 @@ declare(strict_types=1);
 
 namespace SPC\builder\traits;
 
-use SPC\builder\LibraryBase;
 use SPC\exception\FileSystemException;
 use SPC\exception\RuntimeException;
 use SPC\exception\WrongUsageException;
+use SPC\store\Config;
 use SPC\store\FileSystem;
+use SPC\util\SPCConfigUtil;
 
 trait UnixLibraryTrait
 {
@@ -17,44 +18,13 @@ trait UnixLibraryTrait
      * @throws FileSystemException
      * @throws WrongUsageException
      */
-    public function getStaticLibFiles(string $style = 'autoconf', bool $recursive = true, bool $include_self = true): string
+    public function getStaticLibFiles(bool $include_self = true): string
     {
         $libs = $include_self ? [$this] : [];
-        if ($recursive) {
-            array_unshift($libs, ...array_values($this->getDependencies(recursive: true)));
-        }
-
-        $sep = match ($style) {
-            'autoconf' => ' ',
-            'cmake' => ';',
-            default => throw new RuntimeException('style only support autoconf and cmake'),
-        };
-        $ret = [];
-        /** @var LibraryBase $lib */
-        foreach ($libs as $lib) {
-            $libFiles = [];
-            foreach ($lib->getStaticLibs() as $name) {
-                $name = str_replace(' ', '\ ', FileSystem::convertPath(BUILD_LIB_PATH . "/{$name}"));
-                $name = str_replace('"', '\"', $name);
-                $libFiles[] = $name;
-            }
-            array_unshift($ret, implode($sep, $libFiles));
-        }
-        return implode($sep, $ret);
-    }
-
-    /**
-     * @throws FileSystemException
-     * @throws RuntimeException
-     * @throws WrongUsageException
-     */
-    public function makeAutoconfEnv(?string $prefix = null): string
-    {
-        if ($prefix === null) {
-            $prefix = str_replace('-', '_', strtoupper(static::NAME));
-        }
-        return $prefix . '_CFLAGS="-I' . BUILD_INCLUDE_PATH . '" ' .
-            $prefix . '_LIBS="' . $this->getStaticLibFiles() . '"';
+        array_unshift($libs, ...array_values($this->getDependencies(recursive: true)));
+        $config = new SPCConfigUtil($this->builder, options: ['libs_only_deps' => true, 'absolute_libs' => true]);
+        $res = $config->config(libraries: array_map(fn ($x) => $x->getName(), $libs));
+        return $res['libs'];
     }
 
     /**
@@ -64,9 +34,12 @@ trait UnixLibraryTrait
      * @throws FileSystemException
      * @throws RuntimeException
      */
-    public function patchPkgconfPrefix(array $files, int $patch_option = PKGCONF_PATCH_ALL, ?array $custom_replace = null): void
+    public function patchPkgconfPrefix(array $files = [], int $patch_option = PKGCONF_PATCH_ALL, ?array $custom_replace = null): void
     {
         logger()->info('Patching library [' . static::NAME . '] pkgconfig');
+        if ($files === [] && ($conf_pc = Config::getLib(static::NAME, 'pkg-configs', [])) !== []) {
+            $files = array_map(fn ($x) => "{$x}.pc", $conf_pc);
+        }
         foreach ($files as $name) {
             $realpath = realpath(BUILD_ROOT_PATH . '/lib/pkgconfig/' . $name);
             if ($realpath === false) {
diff --git a/src/SPC/builder/unix/UnixBuilderBase.php b/src/SPC/builder/unix/UnixBuilderBase.php
index f0e4e169..9ba6f2fd 100644
--- a/src/SPC/builder/unix/UnixBuilderBase.php
+++ b/src/SPC/builder/unix/UnixBuilderBase.php
@@ -5,9 +5,6 @@ declare(strict_types=1);
 namespace SPC\builder\unix;
 
 use SPC\builder\BuilderBase;
-use SPC\builder\freebsd\library\BSDLibraryBase;
-use SPC\builder\linux\library\LinuxLibraryBase;
-use SPC\builder\macos\library\MacOSLibraryBase;
 use SPC\exception\FileSystemException;
 use SPC\exception\RuntimeException;
 use SPC\exception\WrongUsageException;
@@ -27,85 +24,6 @@ abstract class UnixBuilderBase extends BuilderBase
     /** @var string C++ flags */
     public string $arch_cxx_flags;
 
-    /**
-     * @throws WrongUsageException
-     * @throws FileSystemException
-     */
-    public function getAllStaticLibFiles(): array
-    {
-        $libs = [];
-
-        // reorder libs
-        foreach ($this->libs as $lib) {
-            foreach ($lib->getDependencies() as $dep) {
-                $libs[] = $dep;
-            }
-            $libs[] = $lib;
-        }
-
-        $libFiles = [];
-        $libNames = [];
-        // merge libs
-        foreach ($libs as $lib) {
-            if (!in_array($lib::NAME, $libNames, true)) {
-                $libNames[] = $lib::NAME;
-                array_unshift($libFiles, ...$lib->getStaticLibs());
-            }
-        }
-        return array_map(fn ($x) => realpath(BUILD_LIB_PATH . "/{$x}"), $libFiles);
-    }
-
-    /**
-     * Generate configure flags
-     */
-    public function makeAutoconfFlags(int $flag = AUTOCONF_ALL): string
-    {
-        $extra = '';
-        // TODO: add auto pkg-config support
-        if (($flag & AUTOCONF_LIBS) === AUTOCONF_LIBS) {
-            $extra .= 'LIBS="' . BUILD_LIB_PATH . '" ';
-        }
-        if (($flag & AUTOCONF_CFLAGS) === AUTOCONF_CFLAGS) {
-            $extra .= 'CFLAGS="-I' . BUILD_INCLUDE_PATH . '" ';
-        }
-        if (($flag & AUTOCONF_CPPFLAGS) === AUTOCONF_CPPFLAGS) {
-            $extra .= 'CPPFLAGS="-I' . BUILD_INCLUDE_PATH . '" ';
-        }
-        if (($flag & AUTOCONF_LDFLAGS) === AUTOCONF_LDFLAGS) {
-            $extra .= 'LDFLAGS="-L' . BUILD_LIB_PATH . '" ';
-        }
-        return $extra;
-    }
-
-    /**
-     * @throws FileSystemException
-     * @throws RuntimeException
-     * @throws WrongUsageException
-     */
-    public function makeAutoconfArgs(string $name, array $libSpecs): string
-    {
-        $ret = '';
-        foreach ($libSpecs as $libName => $arr) {
-            $lib = $this->getLib($libName);
-            if ($lib === null && str_starts_with($libName, 'lib')) {
-                $lib = $this->getLib(substr($libName, 3));
-            }
-
-            $arr = $arr ?? [];
-
-            $disableArgs = $arr[0] ?? null;
-            $prefix = $arr[1] ?? null;
-            if ($lib instanceof LinuxLibraryBase || $lib instanceof MacOSLibraryBase || $lib instanceof BSDLibraryBase) {
-                logger()->info("{$name} \033[32;1mwith\033[0;1m {$libName} support");
-                $ret .= "--with-{$libName}=yes " . $lib->makeAutoconfEnv($prefix) . ' ';
-            } else {
-                logger()->info("{$name} \033[31;1mwithout\033[0;1m {$libName} support");
-                $ret .= ($disableArgs ?? "--with-{$libName}=no") . ' ';
-            }
-        }
-        return rtrim($ret);
-    }
-
     public function proveLibs(array $sorted_libraries): void
     {
         // search all supported libs
diff --git a/src/SPC/builder/unix/library/libxslt.php b/src/SPC/builder/unix/library/libxslt.php
index aabc277d..63500566 100644
--- a/src/SPC/builder/unix/library/libxslt.php
+++ b/src/SPC/builder/unix/library/libxslt.php
@@ -24,7 +24,7 @@ trait libxslt
             ->appendEnv([
                 'CFLAGS' => "-I{$this->getIncludeDir()}",
                 'LDFLAGS' => "-L{$this->getLibDir()}",
-                'LIBS' => "{$static_libs} -lstdc++",
+                'LIBS' => "{$static_libs}",
             ])
             ->addConfigureArgs(
                 '--without-python',
@@ -41,7 +41,7 @@ trait libxslt
         }
         $ac->configure()->make();
 
-        $this->patchPkgconfPrefix(['libexslt.pc']);
+        $this->patchPkgconfPrefix(['libxslt.pc']);
         $this->patchLaDependencyPrefix();
         shell()->cd(BUILD_LIB_PATH)
             ->exec("ar -t libxslt.a | grep '\\.a$' | xargs -n1 ar d libxslt.a")
diff --git a/src/SPC/builder/unix/library/ngtcp2.php b/src/SPC/builder/unix/library/ngtcp2.php
index df29fba3..644bab4e 100644
--- a/src/SPC/builder/unix/library/ngtcp2.php
+++ b/src/SPC/builder/unix/library/ngtcp2.php
@@ -21,8 +21,6 @@ trait ngtcp2
         UnixAutoconfExecutor::create($this)
             ->optionalLib('openssl', fn ($lib) => implode(' ', [
                 '--with-openssl=yes',
-                "OPENSSL_LIBS=\"{$lib->getStaticLibFiles()}\"",
-                "OPENSSL_CFLAGS=\"-I{$lib->getIncludeDir()}\"",
             ]), '--with-openssl=no')
             ->optionalLib('libev', ...ac_with_args('libev', true))
             ->optionalLib('nghttp3', ...ac_with_args('libnghttp3', true))
@@ -30,12 +28,8 @@ trait ngtcp2
             ->optionalLib(
                 'brotli',
                 fn ($lib) => implode(' ', [
-                    '--with-brotlidec=yes',
-                    "LIBBROTLIDEC_CFLAGS=\"-I{$lib->getIncludeDir()}\"",
-                    "LIBBROTLIDEC_LIBS=\"{$lib->getStaticLibFiles()}\"",
+                    '--with-libbrotlidec=yes',
                     '--with-libbrotlienc=yes',
-                    "LIBBROTLIENC_CFLAGS=\"-I{$lib->getIncludeDir()}\"",
-                    "LIBBROTLIENC_LIBS=\"{$lib->getStaticLibFiles()}\"",
                 ])
             )
             ->appendEnv(['PKG_CONFIG' => '$PKG_CONFIG --static'])
diff --git a/src/SPC/builder/unix/library/xz.php b/src/SPC/builder/unix/library/xz.php
index f127e59a..98f33bea 100644
--- a/src/SPC/builder/unix/library/xz.php
+++ b/src/SPC/builder/unix/library/xz.php
@@ -21,6 +21,7 @@ trait xz
                 '--disable-scripts',
                 '--disable-doc',
                 '--with-libiconv',
+                '--bindir=/tmp/xz', // xz binary will corrupt `tar` command, that's really strange.
             )
             ->make();
         $this->patchPkgconfPrefix(['liblzma.pc']);
diff --git a/src/SPC/util/SPCConfigUtil.php b/src/SPC/util/SPCConfigUtil.php
index bb808a7c..0d165231 100644
--- a/src/SPC/util/SPCConfigUtil.php
+++ b/src/SPC/util/SPCConfigUtil.php
@@ -6,6 +6,7 @@ namespace SPC\util;
 
 use SPC\builder\BuilderBase;
 use SPC\builder\BuilderProvider;
+use SPC\builder\macos\MacOSBuilder;
 use SPC\exception\FileSystemException;
 use SPC\exception\RuntimeException;
 use SPC\exception\WrongUsageException;
@@ -78,13 +79,14 @@ class SPCConfigUtil
             $libs .= ' ' . trim($extra_env, '"');
         }
         $extra_env = getenv('SPC_EXTRA_LIBS');
-        if (is_string($extra_env)) {
+        if (is_string($extra_env) && !empty($extra_env)) {
             $libs .= " {$extra_env}";
         }
         // extension frameworks
         if (SPCTarget::getTargetOS() === 'Darwin') {
             $libs .= " {$this->getFrameworksString($extensions)}";
         }
+        $libs .= $this->builder instanceof MacOSBuilder ? ' -lc++' : ' -lstdc++';
 
         if ($this->libs_only_deps) {
             return [
@@ -94,10 +96,9 @@ class SPCConfigUtil
             ];
         }
 
-        $libs = trim("-lc {$libs}");
         // embed
         if (!$this->no_php) {
-            $libs = "-lphp {$libs}";
+            $libs = "-lphp -lc {$libs}";
         }
         // mimalloc must come first
         if (str_contains($libs, BUILD_LIB_PATH . '/mimalloc.o')) {