Not on libbusybox.so: it's GPL, no API barrier, no stability promise.

diff --git a/Config.in b/Config.in
index 2048210913fb92c4816e808074d052b4d221d366..0afc34a943d011ad26ca8712689172a3e1d6db19 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -183,6 +183,11 @@ config CONFIG_FEATURE_FULL_LIBBUSYBOX
          used by busybox itself. If you plan to write a separate
          standalone application which uses libbusybox say 'Y'.
 
+         Note: libbusybox is GPL, not LGPL, and exports no stable API that
+         might act as a copyright barrier.  We can and will modify the
+         exported function set between releases (even minor version number
+         changes), and happily break out-of-tree features.
+
          Say 'N' if in doubt.
 
 config CONFIG_FEATURE_SHARED_BUSYBOX