Merge remote-tracking branch 'origin/maint'

[bison.git] / doc / local.mk

diff --git a/doc/local.mk b/doc/local.mk
index 54c03ebf2996f490ed55271cad10aad92a2a6345..aaea996d1245ded69c0be1f75e41ffe05426c1cc 100644 (file)
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -112,6 +112,36 @@ $(top_srcdir)/doc/bison.1: doc/bison.help doc/bison.x $(top_srcdir)/configure
 
 nodist_man_MANS = doc/yacc.1
 
+## ----------------------------- ##
+## 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 $@
+
 ## -------------- ##
 ## Doxygenation.  ##
 ## -------------- ##