Mark root configuration node as deprecated

.travis.yml

@@ -6,8 +6,13 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4snapshot
   - nightly
 
+env:
+  global:
+    - SYMFONY_DEPRECATIONS_HELPER=weak
+
 matrix:
   allow_failures:
     - php: nightly

DependencyInjection/Configuration.php

@@ -110,6 +110,7 @@ public function getConfigTreeBuilder()
         };
 
         $node
+            ->setDeprecated('DoctrineCacheBundle is deprecated and will not be available for Symfony 5. Please migrate your caches to symfony/cache and remove the doctrine_cache key from your configuration.')
             ->children()
                 ->arrayNode('acl_cache')
                     ->beforeNormalization()

README.md

@@ -15,27 +15,3 @@ using Symfony, we no longer recommend configuring doctrine/cache through this
 bundle. Instead, you should use symfony/cache for your cache needs. However, the
 deprecation does not extend to doctrine/cache, you'll be able to use those
 classes as you did so far.
-
-## Installation
-
-1. Add this bundle to your project as a composer dependency:
-
-  ```bash
-  composer require doctrine/doctrine-cache-bundle
-  ```
-
-2. Add this bundle in your application kernel:
-
-    ```php
-    // app/AppKernel.php
-    public function registerBundles()
-    {
-        // ...
-        $bundles[] = new \Doctrine\Bundle\DoctrineCacheBundle\DoctrineCacheBundle();
-
-        return $bundles;
-    }
-    ```
-
-Read the [documentation](https://www.doctrine-project.org/projects/doctrine-cache-bundle/en/stable/usage.html) to learn how to configure and
-use your own cache providers.

composer.json

@@ -33,18 +33,18 @@
     ],
     "require": {
         "php": "^7.1",
-        "symfony/doctrine-bridge": "^3.4|^4.0|^5.0",
+        "symfony/doctrine-bridge": "^3.4|^4.0",
         "doctrine/inflector": "^1.0",
         "doctrine/cache": "^1.4.2"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.0",
-        "symfony/phpunit-bridge": "^3.4|^4.0|^5.0",
-        "symfony/yaml": "^3.4|^4.0|^5.0",
-        "symfony/validator": "^3.4|^4.0|^5.0",
-        "symfony/console": "^3.4|^4.0|^5.0",
-        "symfony/finder": "^3.4|^4.0|^5.0",
-        "symfony/framework-bundle": "^3.4|^4.0|^5.0",
+        "symfony/phpunit-bridge": "^3.4|^4.0",
+        "symfony/yaml": "^3.4|^4.0",
+        "symfony/validator": "^3.4|^4.0",
+        "symfony/console": "^3.4|^4.0",
+        "symfony/finder": "^3.4|^4.0",
+        "symfony/framework-bundle": "^3.4|^4.0",
         "symfony/security-acl": "^2.8",
         "instaclick/coding-standard": "~1.1",
         "satooshi/php-coveralls": "^1.0",