test -f perl-piped/Makefile && rm perl-piped/Makefile || true
test -f perl-shared/Makefile && cd perl-shared && $(MAKE) clean || true
test -f perl-shared/Makefile && rm -f perl-shared/Makefile || true
test -f perl-piped/Makefile && rm perl-piped/Makefile || true
test -f perl-shared/Makefile && cd perl-shared && $(MAKE) clean || true
test -f perl-shared/Makefile && rm -f perl-shared/Makefile || true