diff --git a/config/lib.json b/config/lib.json
index ebbf4b87..58cbd4ba 100644
--- a/config/lib.json
+++ b/config/lib.json
@@ -862,6 +862,9 @@
     },
     "openssl": {
         "source": "openssl",
+        "pkg-configs": [
+            "openssl"
+        ],
         "static-libs-unix": [
             "libssl.a",
             "libcrypto.a"
@@ -974,6 +977,11 @@
     },
     "unixodbc": {
         "source": "unixodbc",
+        "pkg-configs": [
+            "odbc",
+            "odbccr",
+            "odbcinst"
+        ],
         "static-libs-unix": [
             "libodbc.a",
             "libodbccr.a",
@@ -1015,6 +1023,9 @@
     },
     "zlib": {
         "source": "zlib",
+        "pkg-configs": [
+            "zlib"
+        ],
         "static-libs-unix": [
             "libz.a"
         ],
@@ -1028,6 +1039,9 @@
     },
     "zstd": {
         "source": "zstd",
+        "pkg-configs": [
+            "libzstd"
+        ],
         "static-libs-unix": [
             "libzstd.a"
         ],
diff --git a/src/SPC/builder/Extension.php b/src/SPC/builder/Extension.php
index f5a5d956..9077269e 100644
--- a/src/SPC/builder/Extension.php
+++ b/src/SPC/builder/Extension.php
@@ -96,7 +96,8 @@ class Extension
             fn ($x) => $x->getStaticLibFiles(),
             $this->getLibraryDependencies(recursive: true)
         );
-        return implode(' ', $ret);
+        $libs = implode(' ', $ret);
+        return deduplicate_flags($libs);
     }
 
     /**
diff --git a/src/SPC/builder/LibraryBase.php b/src/SPC/builder/LibraryBase.php
index 383faa41..73b1f9ed 100644
--- a/src/SPC/builder/LibraryBase.php
+++ b/src/SPC/builder/LibraryBase.php
@@ -365,6 +365,27 @@ abstract class LibraryBase
 
     protected function isLibraryInstalled(): bool
     {
+        if ($pkg_configs = Config::getLib(static::NAME, 'pkg-configs', [])) {
+            $pkg_config_path = getenv('PKG_CONFIG_PATH') ?: '';
+            $search_paths = array_unique(array_filter(explode(is_unix() ? ':' : ';', $pkg_config_path)));
+
+            foreach ($pkg_configs as $name) {
+                $found = false;
+                foreach ($search_paths as $path) {
+                    if (file_exists($path . "/{$name}.pc")) {
+                        $found = true;
+                        break;
+                    }
+                }
+                if (!$found) {
+                    return false;
+                }
+            }
+            // allow using system dependencies if pkg_config_path is explicitly defined
+            if (count($search_paths) > 1) {
+                return true;
+            }
+        }
         foreach (Config::getLib(static::NAME, 'static-libs', []) as $name) {
             if (!file_exists(BUILD_LIB_PATH . "/{$name}")) {
                 return false;
diff --git a/src/SPC/builder/traits/UnixSystemUtilTrait.php b/src/SPC/builder/traits/UnixSystemUtilTrait.php
index ff75bf7c..33f824f3 100644
--- a/src/SPC/builder/traits/UnixSystemUtilTrait.php
+++ b/src/SPC/builder/traits/UnixSystemUtilTrait.php
@@ -72,6 +72,10 @@ trait UnixSystemUtilTrait
         if (!is_file($symbol_file)) {
             throw new SPCInternalException("The symbol file {$symbol_file} does not exist, please check if nm command is available.");
         }
+        // https://github.com/ziglang/zig/issues/24662
+        if (ToolchainManager::getToolchainClass() === ZigToolchain::class) {
+            return '-Wl,--export-dynamic'; // needs release 0.16, can be removed then
+        }
         // macOS/zig
         if (SPCTarget::getTargetOS() !== 'Linux' || ToolchainManager::getToolchainClass() === ZigToolchain::class) {
             return "-Wl,-exported_symbols_list,{$symbol_file}";
diff --git a/src/SPC/builder/unix/UnixBuilderBase.php b/src/SPC/builder/unix/UnixBuilderBase.php
index 1b532bbc..30112192 100644
--- a/src/SPC/builder/unix/UnixBuilderBase.php
+++ b/src/SPC/builder/unix/UnixBuilderBase.php
@@ -458,6 +458,7 @@ abstract class UnixBuilderBase extends BuilderBase
                 '-ldflags \"-linkmode=external ' . $extLdFlags . ' ' .
                 '-X \'github.com/caddyserver/caddy/v2/modules/caddyhttp.ServerHeader=FrankenPHP Caddy\' ' .
                 '-X \'github.com/caddyserver/caddy/v2.CustomVersion=FrankenPHP ' .
+                '-X \'github.com/caddyserver/caddy/v2.CustomBinaryName=frankenphp ' .
                 "v{$frankenPhpVersion} PHP {$libphpVersion} Caddy'\\\" " .
                 "-tags={$muslTags}nobadger,nomysql,nopgx{$nobrotli}{$nowatcher}",
             'LD_LIBRARY_PATH' => BUILD_LIB_PATH,
diff --git a/src/SPC/builder/unix/library/postgresql.php b/src/SPC/builder/unix/library/postgresql.php
index 2ad4f51b..a3aed130 100644
--- a/src/SPC/builder/unix/library/postgresql.php
+++ b/src/SPC/builder/unix/library/postgresql.php
@@ -93,8 +93,7 @@ trait postgresql
 
         // remove dynamic libs
         shell()->cd($this->source_dir . '/build')
-            ->exec("rm -rf {$this->getBuildRootPath()}/lib/*.so.*")
-            ->exec("rm -rf {$this->getBuildRootPath()}/lib/*.so")
+            ->exec("rm -rf {$this->getBuildRootPath()}/lib/*.so*")
             ->exec("rm -rf {$this->getBuildRootPath()}/lib/*.dylib");
 
         FileSystem::replaceFileStr("{$this->getLibDir()}/pkgconfig/libpq.pc", '-lldap', '-lldap -llber');
diff --git a/src/SPC/util/executor/UnixAutoconfExecutor.php b/src/SPC/util/executor/UnixAutoconfExecutor.php
index e04fe4f9..9d57ef4e 100644
--- a/src/SPC/util/executor/UnixAutoconfExecutor.php
+++ b/src/SPC/util/executor/UnixAutoconfExecutor.php
@@ -16,12 +16,11 @@ class UnixAutoconfExecutor extends Executor
 
     protected array $configure_args = [];
 
-    protected array $ignore_args = [];
-
     public function __construct(protected BSDLibraryBase|LinuxLibraryBase|MacOSLibraryBase $library)
     {
         parent::__construct($library);
         $this->initShell();
+        $this->configure_args = $this->getDefaultConfigureArgs();
     }
 
     /**
@@ -29,19 +28,12 @@ class UnixAutoconfExecutor extends Executor
      */
     public function configure(...$args): static
     {
-        // remove all the ignored args
-        $args = array_merge($args, $this->getDefaultConfigureArgs(), $this->configure_args);
-        $args = array_diff($args, $this->ignore_args);
+        $args = array_merge($args, $this->configure_args);
         $configure_args = implode(' ', $args);
 
         return $this->seekLogFileOnException(fn () => $this->shell->exec("./configure {$configure_args}"));
     }
 
-    public function getConfigureArgsString(): string
-    {
-        return implode(' ', array_merge($this->getDefaultConfigureArgs(), $this->configure_args));
-    }
-
     /**
      * Run make
      *
@@ -111,7 +103,7 @@ class UnixAutoconfExecutor extends Executor
      */
     public function removeConfigureArgs(...$args): static
     {
-        $this->ignore_args = [...$this->ignore_args, ...$args];
+        $this->configure_args = array_diff($this->configure_args, $args);
         return $this;
     }
 
@@ -133,8 +125,8 @@ class UnixAutoconfExecutor extends Executor
     private function getDefaultConfigureArgs(): array
     {
         return [
-            '--disable-shared',
             '--enable-static',
+            '--disable-shared',
             "--prefix={$this->library->getBuildRootPath()}",
             '--with-pic',
             '--enable-pic',