all: README.ps README.pdf 

README.ps: README
	a2ps  --prologue=bold -c --columns=1  -R  -L 50 \
	     --output=README.ps -B \
	     --center-title="2. Threads" \
	     --right-title="%F" \
	     --right-footer="Seite %p.  " \
	     --left-footer="  j-p bell" README
README.pdf: README.ps
	ps2pdf -sPAPERSIZE=a4 README.ps README.pdf

clean: c1 c2 c3 c4 c5 c6 c7
	rm -rf README.ps README.pdf

clear: clean

c1:
	cd Fork ; make clean
c2:
	cd My ; make clean
c3:
	cd NoMutex ; make clean
c4:
	cd Simple ; make clean
c5:
	cd Simple_once ; make clean
c6:
	cd Sock ; make clean
c7:
	cd Prio ; make clean