Radix cross Linux 3pp sources

cacert_home     = http://www.spi-inc.org/ca
cacert_url      = http://www.spi-inc.org/ca
cacert_files    = spi-cacert.crt

signature       = spi-cacert.fingerprint.txt

tarball         = spi-inc.tar.xz
suffix          = $(shell echo $(tarball) | cut -f 2,3 -d '.')
sha1s           = $(addsuffix .sha1sum, $(tarball))

files  = $(cacert_files) $(signature)

all: $(tarball) $(sha1s)

.PHONY: verify downloads_clean


$(files):
	@echo -e "\n======= Downloading cacert.org certificates =======\n"
	@for file in $(files) ; do \
	   wget -N $(cacert_url)/$$file ; \
	 done

$(tarball): $(files)
	@( directory=`echo $(tarball) | cut -f 1 -d '.'` ; \
	   mkdir -p $$directory                          ; \
	   cp -a *.crt *.txt $$directory                 ; \
	   tar cJvf $(tarball) $$directory               ; \
	   rm -rf $$directory                            ; \
	   rm -f *.crt *.txt                             ; \
	 )

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

downloads_clean:
	@rm -f $(tarball) $(sha1s) *.crt *.txt