-## Copyright (C) 2001-2003, 2005-2012 Free Software Foundation, Inc.
+## Copyright (C) 2001-2003, 2005-2013 Free Software Foundation, Inc.
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
doc/fdl.texi \
doc/gpl-3.0.texi
-TEXI2DVI = texi2dvi --build-dir=doc/bison.t2d
+# Cannot express dependencies directly on file names because of Automake.
+# Obfuscate with a variable.
+doc_bison = doc/bison
+$(doc_bison).dvi: $(FIGS_DOT:.dot=.eps)
+$(doc_bison).pdf: $(FIGS_DOT:.dot=.pdf)
+$(doc_bison).html: $(FIGS_DOT:.dot=.png)
+
+TEXI2DVI = texi2dvi --build-dir=doc/bison.t2d -I doc
CLEANDIRS = doc/bison.t2d
clean-local:
rm -rf $(CLEANDIRS)
CROSS_OPTIONS_PL = $(top_srcdir)/build-aux/cross-options.pl
CROSS_OPTIONS_TEXI = $(top_srcdir)/doc/cross-options.texi
$(CROSS_OPTIONS_TEXI): doc/bison.help $(CROSS_OPTIONS_PL)
-# Create $@~ which is the previous contents. Don't use `mv' here so
+# Create $@~ which is the previous contents. Don't use 'mv' here so
# that even if we are interrupted, the file is still available for
# diff in the next run. Note that $@ might not exist yet.
$(AM_V_GEN){ test ! -f $@ || cat $@; } >$@~
nodist_man_MANS = doc/yacc.1
+## ----------------------------- ##
+## Graphviz examples generation. ##
+## ----------------------------- ##
+
+CLEANDIRS += doc/figs
+FIGS_DOT = \
+ doc/figs/example.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
+
+.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. ##
## -------------- ##