X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/5a9c6b89d0cd97f514383bc555a2c14f59bd9c3b..70a04dce64d179ac6647a4a60cd029a34e7241e5:/examples/local.mk

diff --git a/examples/local.mk b/examples/local.mk
index de4d38fc..94a31674 100644
--- a/examples/local.mk
+++ b/examples/local.mk
@@ -1,22 +1,40 @@
-## Copyright (C) 2005, 2008-2012 Free Software Foundation, Inc.
+# Copyright (C) 2005, 2008-2012 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
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-## 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
-## the Free Software Foundation, either version 3 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-doc = $(top_srcdir)/doc/bison.texinfo
-extexi = $(top_srcdir)/examples/extexi
 dist_noinst_SCRIPTS = examples/extexi examples/test
 TEST_LOG_COMPILER = $(top_srcdir)/examples/test
 
+## ------------ ##
+## Extracting.  ##
+## ------------ ##
+
+doc = $(top_srcdir)/doc/bison.texi
+extexi = $(top_srcdir)/examples/extexi
+extract = VERSION="$(VERSION)" $(PERL) -f $(extexi) $(doc) --
+extracted =
+CLEANFILES += $(extracted) examples/extracted.stamp
+examples/extracted.stamp: $(doc) $(extexi)
+	$(AM_V_GEN)rm -f $@ $@.tmp
+	$(AM_V_at)touch $@.tmp
+	$(AM_V_at)$(extract) $(extracted)
+	$(AM_V_at)mv $@.tmp $@
+
+$(extracted): examples/extracted.stamp
+	@test -f $@ || rm -f examples/extracted.stamp
+	@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) examples/extracted.stamp
+
 include examples/calc++/local.mk
 include examples/mfcalc/local.mk
+include examples/rpcalc/local.mk