Update gnulib files.

1 files changed, 5 insertions, 1 deletions

diff --git a/maint.mk b/maint.mk
index 2df7c04673..a4ce064924 100644
--- a/maint.mk
+++ b/maint.mk
@@ -772,11 +772,15 @@ INDENT_SOURCES ?= $(C_SOURCES)
 indent:
 	indent $(INDENT_SOURCES)
 
+# If you have an additional project-specific rule,
+# define it in cfg.mk and set this variable to its name.
+update-copyright-local ?=
+
 # Run this rule once per year (usually early in January)
 # to update all FSF copyright year lists in your project.
 update-copyright-exclude-regexp ?= (^|/)COPYING$$
 .PHONY: update-copyright
-update-copyright:
+update-copyright: $(update-copyright-local)
 	grep -l -w Copyright $$($(VC_LIST_EXCEPT))		\
 	  | grep -v -E '$(update-copyright-exclude-regexp)'	\
 	  | xargs $(build_aux)/$@