slides.pdf: slides.ps Makefile
ps2pdf $< $@
-talk.ps: talk.txt
- a2ps -1 -o $@ -B talk.txt
-
-demo.ps: demo.txt
- a2ps -1 -o $@ -B demo.txt
+talk.ps demo.ps: %.ps: %.txt Makefile
+ a2ps -1 -o $@ -B $<
install: slides.pdf talk.txt
rsync -vP $^ ijackson@chiark:public-html/2018/debconf-gdr-talk/