From 442b67ec6e8c1ae065ac55f50a786e0920aed82f Mon Sep 17 00:00:00 2001
From: Daniel Borchmann <daniel@algebra20.de>
Date: Sun, 19 Aug 2018 17:41:29 +0200
Subject: [PATCH] A dummy rule for all tex files in the decks

Rationale: we can later add image dependencies here.
---
 Makefile | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Makefile b/Makefile
index 93bffa7..e249ef2 100644
--- a/Makefile
+++ b/Makefile
@@ -40,3 +40,18 @@ endef
 
 $(foreach presentation, $(PRESENTATIONS), \
   $(eval $(call PRESENTATION_template, $(presentation))))
+
+# This template is called with a single argument like
+# ‘presentations/content/ccc/ccc_bundesweit.tex’; it generates a rule that does
+# nothing so far.  In the future, it could depende on all images used by the tex
+# file.
+
+define DECK_template
+$(1):
+	:
+endef
+
+# Files contained in decks are only considered in the top-level directory
+
+$(foreach deck, $(wildcard presentations/content/*/*.tex), \
+  $(eval $(call DECK_template, $(deck))))