PREV_RELEASE=git-import

changelog:
	@if test -d "$(srcdir)/.git"; \
	then \
		to=""; \
		from="$(PREV_RELEASE)"; \
		echo Creating ChangeLog && \
		( cd "$(top_srcdir)" && \
		  echo '# Generated by configure.  Do no edit.'; echo; \
		  $(top_srcdir)/missing --run perl $(top_srcdir)/build/gen-changelog.pl $$from..$$to ) > ChangeLog.tmp \
		&& mv -f ChangeLog.tmp $(top_distdir)/ChangeLog \
		|| ( rm -f ChangeLog.tmp ; \
		     echo Failed to generate ChangeLog >&2 ); \
	else \
		echo A git checkout is required to generate a ChangeLog >&2; \
	fi

dist-hook: changelog