PDF = free-sw-rh-interns.pdf
SUBDIRS = graphs

SHELL := /bin/bash -O extglob

all: $(SUBDIRS) $(PDF)

.PHONY : all clean $(SUBDIRS)

$(SUBDIRS):
	$(MAKE) -C $@ all

%.pdf: %.tex
	pdflatex $<

clean:
	$(RM) *.{aux,log,nav,out,pdf,snm,toc}