+## ----------------------------- ##
+## Graphviz examples generation. ##
+## ----------------------------- ##
+
+CLEANDIRS += doc/figs
+FIGS_DOT = doc/figs/example-reduce.dot doc/figs/example-shift.dot
+EXTRA_DIST += \
+ $(FIGS_DOT) \
+ $(FIGS_DOT:.dot=.eps) $(FIGS_DOT:.dot=.pdf) $(FIGS_DOT:.dot=.png)
+SUFFIXES += .dot .eps .pdf .png
+
+doc/bison.dvi: $(FIGS_DOT:.dot=.eps)
+doc/bison.html: $(FIGS_DOT:.dot=.png)
+doc/bison.pdf: $(FIGS_DOT:.dot=.pdf)
+
+.dot.eps:
+ $(AM_V_GEN) $(MKDIR_P) `echo "./$@" | sed -e 's,/[^/]*$$,,'`
+ $(AM_V_at) $(DOT) -Gmargin=0 -Teps $< >$@.tmp
+ $(AM_V_at) mv $@.tmp $@
+
+.dot.pdf:
+ $(AM_V_GEN) $(MKDIR_P) `echo "./$@" | sed -e 's,/[^/]*$$,,'`
+ $(AM_V_at) $(DOT) -Gmargin=0 -Tpdf $< >$@.tmp
+ $(AM_V_at) mv $@.tmp $@
+
+.dot.png:
+ $(AM_V_GEN) $(MKDIR_P) `echo "./$@" | sed -e 's,/[^/]*$$,,'`
+ $(AM_V_at) $(DOT) -Gmargin=0 -Tpng $< >$@.tmp
+ $(AM_V_at) mv $@.tmp $@
+