diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..0660b8a
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,4 @@
+# The Android.mk provided by the upstream fmtlib repository is for use with the
+# NDK and is not appropriate for the platform build. When integrating changes
+# from upstream, omit their Android.mk and leave the existing Android.bp
+# instead.