delete intermediate 3d print files with make clean

[challenge-bot] / Makefile

MARKDOWNS := \
    README.md
HTMLS := \
    ${MARKDOWNS:%.md=%.html} \
    index.html
PDFS :=\
    ${HTMLS:%.html=%.pdf}

all: ${HTMLS} ${PDFS}
        echo HTMLS=${HTMLS}
        echo PDFS=${PDFS}

index.html: README.html
        cp $< $@

clean:
        rm -f ${HTMLS} ${PDFS} *.gcode *.x3g *.stl

%.html: %.md
        markdown $< > $@

%.pdf: %.html
        htmldoc --numbered --book --no-title --header /// -f $@ $<