Radix cross Linux 3pp sources

#
# Project Home:
# ============
#   https://ftp.invisible-island.net/scripts/#others_scripts
#   https://ftp.invisible-island.net/scripts/man2html.html
#
# Downloads:
# =========
#   ftp://ftp.invisible-island.net/scripts
#   https://invisible-mirror.net/archives/scripts
#

url         = https://invisible-mirror.net/archives/scripts

versions    = 20200125 20221106

pkgname     = man2html
suffix      = tar.xz

src_tarball = other-scripts
src_suffix  = tgz

tarballs    = $(addsuffix .$(suffix), $(addprefix $(pkgname)-, $(versions)))
sha1s       = $(addsuffix .sha1sum, $(tarballs))


all: $(tarballs) $(sha1s)

.PHONY: downloads_clean

$(tarballs):
	@echo -e "\n======= Downloading source tarballs =======\n"
	@for version in $(versions) ; do \
	  wget -N $(url)/$(src_tarball)-$$version.$(src_suffix) ; \
	  mkdir -p $(pkgname)-$$version ; \
	  tar -C $(pkgname)-$$version/ --strip-components=1 \
	      -xzf $(src_tarball)-$$version.$(src_suffix) $(src_tarball)-$$version/$(pkgname) ; \
	  tar -cJf $(pkgname)-$$version.$(suffix) $(pkgname)-$$version ; \
	  rm -rf $(pkgname)-$$version $(src_tarball)-$$version.$(src_suffix) ; \
	done

$(sha1s): %.$(suffix).sha1sum : %.$(suffix)
	@for tarball in $< ; do \
	  echo -e "\n======= Calculation the '$$tarball' sha1sum =======\n" ; \
	  sha1sum --binary $$tarball > $$tarball.sha1sum ; \
	done

downloads_clean:
	@rm -rf $(tarballs) $(sha1s)