efrei/theorie-signal/exercices/tp1/Makefile

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Makefile
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timestamp=$(shell date +%Y-%m-%d_%H:%M)
all: tp1
tp1: tp1.tex
@latexmk -pdf tp1.tex
@if ! cmp --silent build/tp1.pdf tp1_*.pdf; then \
touch tp1_tmp.pdf; \
rm tp1*.pdf; \
cp build/tp1.pdf tp1_${timestamp}.pdf; \
echo "Updated"; \
fi
clean:
@rm -rf build 2>/dev/null