diff --git a/pkg/oonf_api/Makefile.dep b/pkg/oonf_api/Makefile.dep
new file mode 100644
index 0000000000..a4a7c6099c
--- /dev/null
+++ b/pkg/oonf_api/Makefile.dep
@@ -0,0 +1,5 @@
+# avr-libc does not provide `strings.h`
+FEATURES_BLACKLIST += arch_avr8
+
+# msp430-libc does not provide `strftime`
+FEATURES_BLACKLIST += arch_msp430