## Process this file with automake to produce Makefile.in -*-Makefile-*-
-## Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
-## Foundation, Inc.
+
+## Copyright (C) 2001-2012 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
aclocaldir = @aclocaldir@
aclocal_DATA = m4/bison-i18n.m4
-EXTRA_DIST = GNUmakefile Makefile.cfg Makefile.maint \
+EXTRA_DIST = .prev-version .version cfg.mk \
OChangeLog PACKAGING \
djgpp/Makefile.maint djgpp/README.in djgpp/config.bat \
djgpp/config.sed djgpp/config.site djgpp/config_h.sed \
.PHONY: maintainer-xml-check
maintainer-xml-check:
cd tests && $(MAKE) $(AM_MAKEFLAGS) $@
+
+# See comments in build-aux/git-version-gen. However, we make .version depend
+# on configure so that .version and VERSION/PACKAGE_VERSION stay in sync in the
+# working copy (for example, when you run autoreconf && make). Allowing these
+# to fall out of sync appears to have little potential to improve Bison build
+# efficiency (even if we were to replace VERSION/PACKAGE_VERSION with .version
+# everywhere possible). On the other hand, it could be harmful. For example,
+# a developer might naively reference .version in a test case while the bison
+# executable still compiles with VERSION, and so the test case might fail or
+# pass incorrectly.
+BUILT_SOURCES = $(top_srcdir)/.version
+$(top_srcdir)/.version: configure
+ echo $(VERSION) > $@-t && mv $@-t $@
+dist-hook:
+ echo $(VERSION) > $(distdir)/.tarball-version
+
+.PHONY: update-b4-copyright update-package-copyright-year
+update-b4-copyright:
+ find data -type f \
+ | grep -v -E '^data/bison.m4$$' \
+ | xargs $(build_aux)/$@
+ @echo 'warning: src/parse-gram.[hc] may need to be regenerated.'
+update-package-copyright-year:
+ $(build_aux)/$@ configure.ac