[PATCH 1/3] build: update from gnulib

[Jim Meyering]

* gnulib: Update submodule to latest.
* bootstrap.conf (gnulib_modules): Add update-copyright
* cfg.mk (update-copyright-env): Define.
---
 bootstrap.conf |    1 +
 cfg.mk         |    2 ++
 gnulib         |    2 +-
 3 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/bootstrap.conf b/bootstrap.conf
index 43039ea..8bf9c3f 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -48,6 +48,7 @@ gnulib_modules="
 	progname
 	safe-read
 	stdbool
+	update-copyright
 	useless-if-before-free
 	vc-list-files
 	version-etc-fsf
diff --git a/cfg.mk b/cfg.mk
index 976e849..9ed498e 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -54,3 +54,5 @@ export VERBOSE = yes
 old_NEWS_hash = dba244ff41365956a9f702ad050262c0

 include $(srcdir)/dist-check.mk
+
+update-copyright-env = UPDATE_COPYRIGHT_USE_INTERVALS=1
diff --git a/gnulib b/gnulib
index 2d8b95d..3ef6401 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 2d8b95d62cc4d6524fa6c4dbc3138d88a5839159
+Subproject commit 3ef64012bf653379fda629f5a6b619be4c1f2e69
--
1.6.4.378.g88f2f