RFC2629TOOLS_BASE :=  $(firstword $(wildcard ${RFC2629TOOLS_BASE} rfc2629tools ../rfc2629tools))

ifeq (${RFC2629TOOLS_BASE},)
$(error Could not guess RFC2629TOOLS_BASE setting, try setting it manually)
endif

include ${RFC2629TOOLS_BASE}/GNUmakefile

define DIFF
ifneq ($(wildcard rfc6810.txt),)
  HTML += $1-from-rfc6810.diff.html

  diff:: $1-from-rfc6810.diff.html

  $1-from-rfc6810.diff.html : rfc6810.txt $1.txt
	rfcdiff --stdout rfc6810.txt $1.txt >$1-from-rfc6810.diff.html.tmp
	mv $1-from-rfc6810.diff.html.tmp $1-from-rfc6810.diff.html
endif
endef

$(foreach T,${TARGETS},$(eval $(call DIFF,${T})))