Radix cross Linux 3pp sources

#
# Download: https://www.gnu.org/prep/ftp.html
#
# You can use the generic url http://ftpmirror.gnu.org 
# to automatically choose a nearby and up-to-date mirror.
#
# original url: https://ftp.gnu.org/gnu/binutils
#

url         = https://ftp.gnu.org/gnu/binutils

versions    = 2.28.1 2.29 2.29.1
versions   += 2.30 2.31 2.31.1 2.32 2.33.1 2.34 2.35 2.35.1 2.36 2.36.1 2.37 2.38 2.39
versions   += 2.40 2.42

pkgname     = binutils
suffix      = tar.xz

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 tarball in $(tarballs) ; do \
	  wget -N $(url)/$$tarball ; \
	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)