diff --git a/config/pkg/ext/builtin-extensions.yml b/config/pkg/ext/builtin-extensions.yml
index 2fdec855..78d3d282 100644
--- a/config/pkg/ext/builtin-extensions.yml
+++ b/config/pkg/ext/builtin-extensions.yml
@@ -165,6 +165,28 @@ ext-password-argon2:
   php-extension:
     arg-type: custom
     display-name: ''
+ext-pcntl:
+  type: php-extension
+ext-pdo:
+  type: php-extension
+ext-pdo_mysql:
+  type: php-extension
+  depends:
+    - ext-pdo
+    - ext-mysqlnd
+  php-extension:
+    arg-type: with
+ext-pdo_odbc:
+  type: php-extension
+  depends:
+    - ext-pdo
+    - ext-odbc
+  depends@unix:
+    - unixodbc
+    - ext-pdo
+    - ext-odbc
+  php-extension:
+    arg-type: custom
 ext-phar:
   type: php-extension
   depends:
diff --git a/src/Package/Extension/pdo_odbc.php b/src/Package/Extension/pdo_odbc.php
new file mode 100644
index 00000000..f8835d13
--- /dev/null
+++ b/src/Package/Extension/pdo_odbc.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Package\Extension;
+
+use Package\Target\php;
+use StaticPHP\Attribute\Package\BeforeStage;
+use StaticPHP\Attribute\Package\CustomPhpConfigureArg;
+use StaticPHP\Attribute\Package\Extension;
+use StaticPHP\Package\PhpExtensionPackage;
+use StaticPHP\Util\FileSystem;
+
+#[Extension('pdo_odbc')]
+class pdo_odbc extends PhpExtensionPackage
+{
+    #[BeforeStage('php', [php::class, 'buildconfForUnix'], 'ext-pdo_odbc')]
+    public function patchBeforeBuildconf(): void
+    {
+        FileSystem::replaceFileStr("{$this->getSourceDir()}/config.m4", 'PDO_ODBC_LDFLAGS="$pdo_odbc_def_ldflags', 'PDO_ODBC_LDFLAGS="-liconv $pdo_odbc_def_ldflags');
+    }
+
+    #[CustomPhpConfigureArg('Linux')]
+    #[CustomPhpConfigureArg('Darwin')]
+    public function getUnixConfigureArg(bool $shared): string
+    {
+        return '--with-pdo-odbc=' . ($shared ? 'shared,' : '') . 'unixODBC,' . BUILD_ROOT_PATH;
+    }
+
+    #[CustomPhpConfigureArg('Windows')]
+    public function getWindowsConfigureArg(bool $shared): string
+    {
+        return '--with-pdo-odbc';
+    }
+}