diff --git a/sdk/Android.bp b/sdk/Android.bp
new file mode 100644
index 000000000..0b1a31865
--- /dev/null
+++ b/sdk/Android.bp
@@ -0,0 +1,6 @@
+genrule {
+    name: "platform_tools_version",
+    cmd: "sed 's/$${PLATFORM_SDK_VERSION}/0/ ; s/^Pkg.Revision=\\(.*\\)/#define PLATFORM_TOOLS_VERSION \"\\1\"/p ; d' $(in) > $(out)",
+    srcs: ["plat_tools_source.prop_template"],
+    out: ["platform_tools_version.h"],
+}