patch attached
--- gnuplot-4.2.2.orig/debian/rules 2008-06-07 00:53:46.000000000 +0100 +++ gnuplot-4.2.2/debian/rules 2008-06-07 01:03:07.000000000 +0100 @@ -90,11 +90,15 @@ [ ! -f Makefile ] || $(MAKE) distclean dh_clean - -rm -rf config.log debian/{gnuplot,gnuplot-doc,gnuplot-nox,gnuplot-x11} \ + -rm -rf config.log \ + debian/gnuplot \ + debian/gnuplot-doc \ + debian/gnuplot-nox \ + debian/gnuplot-x11 \ docs/psdoc/ps_symbols.ps \ docs/psdoc/ps_fontfile_doc.aux \ docs/psdoc/ps_fontfile_doc.dvi \ - docs/psdoc/ps_fontfile_doc.log \ + docs/psdoc/ps_fontfile_doc.log \ docs/psdoc/ps_fontfile_doc.pdf \ docs/psdoc/ps_fontfile_doc.ps \ docs/psdoc/ps_fontfile_doc.log \