UPSTREAM_SVN_BRANCH = eglibc-$$(printf '%s\n' '$(OPK_SOURCE_VERSION_UPSTREAM)' \
	| sed 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)~.*$$/\1_\2/')
UPSTREAM_SVN_URI = svn://svn.eglibc.org/branches/$(UPSTREAM_SVN_BRANCH)
UPSTREAM_SVN_REV = $$(printf '%s\n' '$(OPK_SOURCE_VERSION_UPSTREAM)' | \
	sed 's/^[0-9][0-9]*\.[0-9][0-9]*~r\([0-9][0-9]*\).*$$/\1/')
SOURCE = eglibc-$(OPK_SOURCE_VERSION_UPSTREAM)
SOURCE_ARCHIVE = ../$(SOURCE).orig.tar.bz2

$(SOURCE):
	svn export -r "$(UPSTREAM_SVN_REV)" "$(UPSTREAM_SVN_URI)" \
		'eglibc-$(OPK_SOURCE_VERSION_UPSTREAM)'
	rm -Rf '$(SOURCE)/libc/manual'

$(SOURCE_ARCHIVE): $(SOURCE)
	tar -cjf '$(SOURCE_ARCHIVE)' '$(SOURCE)'
	rm -Rf '$(SOURCE)'

source: $(SOURCE_ARCHIVE)