maint: update all copyright year number ranges

[gnulib.git] / top / maint.mk

diff --git a/top/maint.mk b/top/maint.mk
index fd2b41b..2b454a1 100644 (file)
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -2,7 +2,7 @@
 # This Makefile fragment tries to be general-purpose enough to be
 # used by many projects via the gnulib maintainer-makefile module.
 
-## Copyright (C) 2001-2012 Free Software Foundation, Inc.
+## Copyright (C) 2001-2013 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
@@ -1315,7 +1315,7 @@ announcement_mail_Cc_ ?= $(announcement_mail_Cc_$(release-type))
 announcement_mail_headers_ ?= $(announcement_mail_headers_$(release-type))
 announcement: NEWS ChangeLog $(rel-files)
 # Not $(AM_V_GEN) since the output of this command serves as
-# annoucement message: it would start with " GEN announcement".
+# announcement message: it would start with " GEN announcement".
        $(AM_V_at)$(srcdir)/$(_build-aux)/announce-gen                  \
            --mail-headers='$(announcement_mail_headers_)'              \
            --release-type=$(release-type)                              \
@@ -1370,7 +1370,8 @@ endef
 
 .PHONY: no-submodule-changes
 no-submodule-changes:
-       $(AM_V_GEN)if test -d $(srcdir)/.git; then                      \
+       $(AM_V_GEN)if test -d $(srcdir)/.git                            \
+               && git --version >/dev/null 2>&1; then                  \
          diff=$$(cd $(srcdir) && git submodule -q foreach              \
                  git diff-index --name-only HEAD)                      \
            || exit 1;                                                  \
@@ -1388,7 +1389,8 @@ submodule-checks ?= no-submodule-changes public-submodule-commit
 # cannot be built from a fresh clone.
 .PHONY: public-submodule-commit
 public-submodule-commit:
-       $(AM_V_GEN)if test -d $(srcdir)/.git; then                      \
+       $(AM_V_GEN)if test -d $(srcdir)/.git                            \
+               && git --version >/dev/null 2>&1; then                  \
          cd $(srcdir) &&                                               \
          git submodule --quiet foreach                                 \
              test '"$$(git rev-parse "$$sha1")"'                       \