From fe46d5ee916dd7cf78c332113bff9a506acc7652 Mon Sep 17 00:00:00 2001
From: Eugeniy Mikhailov <evgmik@gmail.com>
Date: Mon, 31 Aug 2015 11:44:50 -0400
Subject: clarified toc targets

---
 beamer_lecture.mk | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/beamer_lecture.mk b/beamer_lecture.mk
index 85b583e..f5b690f 100644
--- a/beamer_lecture.mk
+++ b/beamer_lecture.mk
@@ -19,21 +19,23 @@ tex_independent = $(beamer_lecture_tex)
 beamer_lecture_includes = $(wildcard body/*.tex)
 
 beamer_lecture_inputs += $(beamer_lecture_includes:%=\\\\input{%})
-toc_t2t = toc.t2t
-toc_md_incl = toc.md_incl
+toc_t2t_incl ?= toc.t2t
+toc_md_incl ?= toc.md_incl
 
 
-toc: $(toc_t2t) $(toc_md_incl)
+toc: $(toc_t2t_incl) $(toc_md_incl)
 
-$(toc_t2t): $(tex_includes)
+toc_t2t: $(toc_t2t_incl)
+$(toc_t2t_incl): $(tex_includes)
 	../bin/lecture_toc_creator.sh > $@
 
+toc_md: $(toc_md_incl)
 $(toc_md_incl): $(tex_includes)
 	../bin/lecture_toc_md_creator.sh > $@
 
 real_clean_toc:
-ifneq ($(strip $(toc_t2t)),)
-	rm -f $(toc_t2t)
+ifneq ($(strip $(toc_t2t_incl)),)
+	rm -f $(toc_t2t_incl)
 endif
 ifneq ($(strip $(toc_md_incl)),)
 	rm -f $(toc_md_incl)
-- 
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