1 files changed, 25 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/annotation/BuildFlag.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/annotation/BuildFlag.java
new file mode 100644
index 0000000000..805e0a3f79
--- /dev/null
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/annotation/BuildFlag.java
@@ -0,0 +1,25 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * This annotation is used to tag classes that are conditionally built behind build flags. Any
+ * generated JNI bindings will incorporate the specified build flags.
+ */
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface BuildFlag {
+  /**
+   * Preprocessor macro for conditionally building the generated bindings. "MOZ_FOO" wraps generated
+   * bindings in "#ifdef MOZ_FOO / #endif" "!MOZ_FOO" wraps generated bindings in "#ifndef MOZ_FOO /
+   * #endif"
+   */
+  String value() default "";
+}