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#
# Project Home:
# ============
# https://libjpeg.sourceforge.net
#
# Downloads:
# =========
# https://www.ijg.org/files
#
url = https://www.ijg.org/files
versions = v8a v8b v8c v8d v9 v9a v9b v9c v9d v9e
pkgname = jpegsrc
suffix = tar.gz
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)
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