--- mpsl/makefile.in.orig	2020-10-11 16:50:41 UTC
+++ mpsl/makefile.in
@@ -78,7 +78,7 @@ realdistclean: realclean
 .txt.html:
 	grutatxt < $< > $@
 
-doc/mpsl_quickref.ps: doc/mpsl_quickref.txt
+doc/mpsl_quickref.ps: $(TARGET) doc/mpsl_quickref.txt
 	-./mpsl scripts/mkquickref.mpsl < doc/mpsl_quickref.txt > $@
 
 doc/mpsl_api.txt: mpsl_c.c mpsl.y