Bruno Haible <bruno <at> clisp.org> writes: > > The empty line after the copyright header was intended to be removed as well. > This appears to require two sed pipes in a row.
Plus a useless use of cat, for a total of 3 processes? Come on, we can do better than that. A single sed process is sufficient, by rephrasing the problem (rather than what do we want to exclude, it should be what we want to include). > link-warning.h: $(top_srcdir)/build-aux/link-warning.h > $(AM_V_GEN)rm -f $...@-t $@ && \ > ! cat $(top_srcdir)/build-aux/link-warning.h \ > ! | sed -e '1,/www\.gnu\.org\/licenses/d' | sed -e '1d' \ > ! > $...@-t && \ > mv $...@-t $@ sed -n '/GL_LINK_WARNING/,$$ p' $(top_srcdir)/build-aux/link-warning.h > $...@-t (with the address range terminator $ already escaped for Makefile.am) -- Eric Blake
