X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/50bcb22c4cda30353f44930b0a29519609527408..b5b94bd5e6488582154687dd3172ad03af5b4b07:/cfg.mk

diff --git a/cfg.mk b/cfg.mk
index 2b6041ac..5c74313f 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -42,3 +42,7 @@ local-checks-to-skip = changelog-check
 gnulib_dir = $(srcdir)/../../gnulib
 
 bootstrap-tools = autoconf,automake,flex,gnulib
+
+update-copyright: update-b4-copyright
+update-copyright-env = \
+  UPDATE_COPYRIGHT_FORCE=1 UPDATE_COPYRIGHT_USE_INTERVALS=1