all: solution exercise solution: - cp gsd-questions.tex gsd-questions-solution.tex && pdflatex '\def\loesung{} \input{gsd-questions-solution}' && rm gsd-questions-solution.tex exercise: - pdflatex gsd-questions clean: rm -rf gsd-questions.aux gsd-questions.log gsd-questions.out gsd-questions.pdf rm -rf gsd-questions-solution.aux gsd-questions-solution.log gsd-questions-solution.out gsd-questions-solution.pdf