X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/11c073b7e53fb82c67f1adf8cd7c2e60b7518729..5335b65a79189afbbd27ecb55d76e74a4fe31863:/Makefile.am

diff --git a/Makefile.am b/Makefile.am
index ae424925..c507cc8e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -27,15 +27,16 @@ aclocaldir = @aclocaldir@
 aclocal_DATA = m4/bison-i18n.m4
 
 EXTRA_DIST = .prev-version .version \
-  cfg.mk maint.mk \
+  cfg.mk \
   OChangeLog PACKAGING
 
 # Initialization before completion by local.mk's.
-AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
+AM_CFLAGS = $(WARN_CFLAGS)
 AM_CPPFLAGS =
 BUILT_SOURCES =
 DISTCLEANFILES =
 MOSTLYCLEANFILES =
+SUFFIXES =
 include build-aux/local.mk
 include data/local.mk
 include djgpp/local.mk
@@ -60,3 +61,10 @@ $(top_srcdir)/.version: configure
 	echo $(VERSION) > $@-t && mv $@-t $@
 dist-hook:
 	echo $(VERSION) > $(distdir)/.tarball-version
+
+.PHONY: update-b4-copyright
+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.'