Only delete target pdf's in Makefile

In theory we put things that we can't make ourselves in the references folder
But it still seems unwise to just go and delete every single pdf.

diff --git a/Makefile b/Makefile
index 91d89bf..ac80c36 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -24,5 +24,5 @@ clean :
        rm -f *.toc
 
 clean_full : clean
-       rm -f *.pdf
+       rm -f $(TARGETS)