(check-copyright): New target and rule.

(alpha): Depend on it.

diff --git a/Makefile.maint b/Makefile.maint
index 0e92310ae4100f120c47394755adacf6ee7d8ee7..263a2c7c05692abb5fcf4638fc045126459762d7 100644 (file)
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -17,7 +17,7 @@ THIS_VERSION_REGEXP = $(subst .,\.,$(VERSION))
 PREV_VERSION := $(shell cat $(prev_version_file))
 PREV_VERSION_REGEXP := $(shell echo $(PREV_VERSION)|sed 's/\./\\./g')
 
-tag-package = $(shell echo "$(PACKAGE)" | tr a-z A-Z)
+tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
 tag-this-version = $(subst .,_,$(VERSION))
 tag-prev-version = $(subst .,_,$(PREV_VERSION))
 this-cvs-tag = $(tag-package)-$(tag-this-version)
@@ -177,7 +177,12 @@ define emit-rsync-commands
        echo =====================================
 endef
 
-alpha: writable-files po-check
+# Make sure that the copyright date in lib/version-etc.c is up to date.
+check-copyright: lib/version-etc.c
+       @grep 'N_("Copyright (C) $(shell date +%Y) Free' $< > /dev/null \
+         || { echo 'out of date copyright in $<; update it' 1>&2; exit 1; }
+
+alpha: writable-files po-check check-copyright
        $(MAKE) cvs-dist
        $(MAKE) -s announcement > /tmp/announce-$(my_distdir)
        ln $(distdir).tar.gz ../release