build: fix VPATH issue

[bison.git] / doc / local.mk

diff --git a/doc/local.mk b/doc/local.mk
index 09c387a7d61df55bce3005ff31e9169d022b5c14..d1e4c79463f0f2fe92100b917736d94605a3ef16 100644 (file)
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -14,14 +14,21 @@
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AM_MAKEINFOFLAGS = --no-split
-info_TEXINFOS = doc/bison.texinfo
+info_TEXINFOS = doc/bison.texi
 doc_bison_TEXINFOS =                            \
   $(CROSS_OPTIONS_TEXI)                         \
   doc/fdl.texi                                  \
   doc/gpl-3.0.texi
 
-CLEANFILES = doc/bison.fns
-CLEANDIRS = doc/*.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)
 
@@ -36,7 +43,7 @@ $(CROSS_OPTIONS_TEXI): doc/bison.help $(CROSS_OPTIONS_PL)
        $(AM_V_GEN){ test ! -f $@ || cat $@; } >$@~
        $(AM_V_at)test ! -f $@.tmp || rm -f $@.tmp
        $(AM_V_at)src/bison$(EXEEXT) --help |                            \
-         perl $(CROSS_OPTIONS_PL) $(top_srcdir)/src/scan-gram.l >$@.tmp
+         $(PERL) $(CROSS_OPTIONS_PL) $(top_srcdir)/src/scan-gram.l >$@.tmp
        $(AM_V_at)diff -u $@~ $@.tmp || true
        $(AM_V_at)mv $@.tmp $@
 MAINTAINERCLEANFILES = $(CROSS_OPTIONS_TEXI)
@@ -46,12 +53,11 @@ MAINTAINERCLEANFILES = $(CROSS_OPTIONS_TEXI)
 ## ---------- ##
 
 EXTRA_DIST += doc/refcard.tex
-CLEANFILES += doc/refcard.dvi doc/refcard.log doc/refcard.ps
+CLEANFILES += doc/refcard.pdf
 
-doc/refcard.dvi: doc/refcard.tex
-       $(AM_V_GEN)cd doc && tex refcard.tex
+doc/refcard.pdf: doc/refcard.tex
+       $(AM_V_GEN) cd doc && pdftex $(abs_top_srcdir)/doc/refcard.tex
 
-doc/refcard.ps: doc/refcard.dvi
 
 
 ## ---------------- ##
@@ -80,9 +86,9 @@ doc/refcard.ps: doc/refcard.dvi
 EXTRA_DIST += $(top_srcdir)/doc/bison.help
 MAINTAINERCLEANFILES += $(top_srcdir)/doc/bison.help
 $(top_srcdir)/doc/bison.help: src/bison$(EXEEXT)
-       $(AM_V_GEN)$< --version >doc/bison.help.t
-       $(AM_V_at)$< --help   >>doc/bison.help.t
-       $(AM_V_at)$(top_srcdir)/build-aux/move-if-change doc/bison.help.t $@
+       $(AM_V_GEN)src/bison$(EXEEXT) --version >doc/bison.help.tmp
+       $(AM_V_at) src/bison$(EXEEXT) --help   >>doc/bison.help.tmp
+       $(AM_V_at)$(top_srcdir)/build-aux/move-if-change doc/bison.help.tmp $@
 
 
 ## ----------- ##
@@ -113,6 +119,34 @@ $(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.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.  ##
 ## -------------- ##
@@ -124,10 +158,11 @@ DOXYGEN = doxygen
 doc: html
 
 html-local: doc/Doxyfile
-       $(AM_V_GEN) cd doc && $(DOXYGEN)
+       $(AM_V_GEN) $(DOXYGEN) doc/Doxyfile
 
 edit = sed -e 's,@PACKAGE_NAME\@,$(PACKAGE_NAME),g' \
           -e 's,@PACKAGE_VERSION\@,$(PACKAGE_VERSION),g' \
+          -e 's,@PERL\@,$(PERL),g' \
           -e 's,@top_builddir\@,$(top_builddir),g' \
           -e 's,@top_srcdir\@,$(top_srcdir),g'
 
@@ -138,4 +173,4 @@ CLEANFILES += doc/Doxyfile
 doc/Doxyfile: $(top_srcdir)/doc/Doxyfile.in
        $(AM_V_GEN) $(edit) $(top_srcdir)/doc/Doxyfile.in >doc/Doxyfile
 
-CLEANDIRS += html latex
+CLEANDIRS += doc/html