From 9f9c1fa5b392b04f8d2513d4bdd4911c7869ef4c Mon Sep 17 00:00:00 2001
From: Nicola Corti <ncor@fb.com>
Date: Fri, 13 Oct 2023 09:30:59 -0700
Subject: [PATCH] Make sure buildConfig is turned on for all the 3rd party
 libraries (#40939)

Summary:

Currently some libs on RN 0.73 are broken as the default for Build Config generation changed
from true to false since AGP 8.x. This reverts the behavior to the old flag.

Closes #40791
Closes #40559

Changelog:
[Internal] [Changed] - Make sure buildConfig is turned on for all the 3rd party libraries

Reviewed By: mdvacca

Differential Revision: D50270382
---
 .../main/kotlin/com/facebook/react/ReactPlugin.kt    |  6 ++++--
 .../com/facebook/react/utils/AgpConfiguratorUtils.kt | 12 +++++++++++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/ReactPlugin.kt b/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/ReactPlugin.kt
index 8f7c78043c5e09..4c41e6a2373e07 100644
--- a/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/ReactPlugin.kt
+++ b/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/ReactPlugin.kt
@@ -12,7 +12,8 @@ import com.android.build.gradle.internal.tasks.factory.dependsOn
 import com.facebook.react.internal.PrivateReactExtension
 import com.facebook.react.tasks.GenerateCodegenArtifactsTask
 import com.facebook.react.tasks.GenerateCodegenSchemaTask
-import com.facebook.react.utils.AgpConfiguratorUtils.configureBuildConfigFields
+import com.facebook.react.utils.AgpConfiguratorUtils.configureBuildConfigFieldsForApp
+import com.facebook.react.utils.AgpConfiguratorUtils.configureBuildConfigFieldsForLibraries
 import com.facebook.react.utils.AgpConfiguratorUtils.configureDevPorts
 import com.facebook.react.utils.BackwardCompatUtils.configureBackwardCompatibilityReactMap
 import com.facebook.react.utils.DependencyUtils.configureDependencies
@@ -66,7 +67,7 @@ class ReactPlugin : Plugin<Project> {
       }
 
       configureReactNativeNdk(project, extension)
-      configureBuildConfigFields(project, extension)
+      configureBuildConfigFieldsForApp(project, extension)
       configureDevPorts(project)
       configureBackwardCompatibilityReactMap(project)
 
@@ -85,6 +86,7 @@ class ReactPlugin : Plugin<Project> {
 
     // Library and App Configurations
     configureJavaToolChains(project)
+    configureBuildConfigFieldsForLibraries(project)
   }
 
   private fun checkJvmVersion(project: Project) {
diff --git a/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/AgpConfiguratorUtils.kt b/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/AgpConfiguratorUtils.kt
index 0312095b0fe7dd..4f19af3ff1d1a7 100644
--- a/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/AgpConfiguratorUtils.kt
+++ b/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/AgpConfiguratorUtils.kt
@@ -18,7 +18,7 @@ import org.gradle.api.plugins.AppliedPlugin
 @Suppress("UnstableApiUsage")
 internal object AgpConfiguratorUtils {
 
-  fun configureBuildConfigFields(project: Project, extension: ReactExtension) {
+  fun configureBuildConfigFieldsForApp(project: Project, extension: ReactExtension) {
     val action =
         Action<AppliedPlugin> {
           project.extensions.getByType(AndroidComponentsExtension::class.java).finalizeDsl { ext ->
@@ -35,6 +35,16 @@ internal object AgpConfiguratorUtils {
     project.pluginManager.withPlugin("com.android.library", action)
   }
 
+  fun configureBuildConfigFieldsForLibraries(appProject: Project) {
+    appProject.rootProject.allprojects { subproject ->
+      subproject.pluginManager.withPlugin("com.android.library") {
+        subproject.extensions.getByType(AndroidComponentsExtension::class.java).finalizeDsl { ext ->
+          ext.buildFeatures.buildConfig = true
+        }
+      }
+    }
+  }
+
   fun configureDevPorts(project: Project) {
     val devServerPort =
         project.properties["reactNativeDevServerPort"]?.toString() ?: DEFAULT_DEV_SERVER_PORT