diff --git a/recipes-extended/bash/bash_%.bbappend b/recipes-extended/bash/bash_%.bbappend
new file mode 100644
index 0000000..31d46a6
--- /dev/null
+++ b/recipes-extended/bash/bash_%.bbappend
@@ -0,0 +1,5 @@
+# "-lreadline" resolves to the macOS SDK's libreadline.tbd stub (found via
+# the runtime/usr/lib -L path, which comes before -L./lib/readline) instead
+# of the readline built in-tree, which leaves all rl_* symbols undefined.
+# Link the in-tree archive by path.
+EXTRA_OEMAKE:append:darwin21 = " 'READLINE_LIB=$(READLINE_LIBRARY)'"