From a71b85c8083fa30fa22954088ea2a63dc461c3ba Mon Sep 17 00:00:00 2001
From: Andreas Tsouchlos <an.tsouchlos@gmail.com>
Date: Sat, 25 Oct 2025 23:33:22 +0200
Subject: [PATCH] Add automatic handout compilation to Makefile

---
 Makefile                        | 9 +++++++--
 src/2025-11-07/presentation.tex | 6 +++++-
 src/template/presentation.tex   | 6 +++++-
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 9bed9c4..26928d3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,17 @@
-PDFs := $(patsubst src/%/presentation.tex,build/presentation_%.pdf,$(wildcard src/*/presentation.tex))
+PRESENTATIONS := $(patsubst src/%/presentation.tex,build/presentation_%.pdf,$(wildcard src/*/presentation.tex))
+HANDOUTS := $(patsubst build/presentation_%.pdf,build/presentation_%_handout.pdf,$(PRESENTATIONS))
 
 .PHONY: all
-all: $(PDFs)
+all: $(PRESENTATIONS) $(HANDOUTS)
 
 build/presentation_%.pdf: src/%/presentation.tex build/prepared
 	TEXINPUTS=./lib/cel-slides-template-2025:$$TEXINPUTS latexmk $<
 	mv build/presentation.pdf $@
 
+build/presentation_%_handout.pdf: src/%/presentation.tex build/prepared
+	TEXINPUTS=./lib/cel-slides-template-2025:$$TEXINPUTS latexmk -pdflatex='pdflatex %O "\def\ishandout{1}\input{%S}"' $<
+	mv build/presentation.pdf $@
+
 build/prepared:
 	mkdir -p build
 	touch build/prepared
diff --git a/src/2025-11-07/presentation.tex b/src/2025-11-07/presentation.tex
index b93b6e1..567bf20 100644
--- a/src/2025-11-07/presentation.tex
+++ b/src/2025-11-07/presentation.tex
@@ -1,4 +1,8 @@
-\documentclass[de]{CELbeamer}
+\ifdefined\ishandout
+  \documentclass[de, handout]{CELbeamer}
+\else
+  \documentclass[de]{CELbeamer}
+\fi
 
 %
 %
diff --git a/src/template/presentation.tex b/src/template/presentation.tex
index bdb8416..163de18 100644
--- a/src/template/presentation.tex
+++ b/src/template/presentation.tex
@@ -1,4 +1,8 @@
-\documentclass[de]{CELbeamer}
+\ifdefined\ishandout
+  \documentclass[de, handout]{CELbeamer}
+\else
+  \documentclass[de]{CELbeamer}
+\fi
 
 %
 %