+2009-08-14 Joel E. Denny <jdenny@clemson.edu>
+
+ maint.mk: support update-copyright-env
+ * top/maint.mk (update-copyright-env): Define place-holder.
+ (update-copyright): Expand $(update-copyright-env) before
+ invoking update-copyright.
+
2009-08-14 Joel E. Denny <jdenny@clemson.edu>
update-copyright: implement forced reformatting
# define it in cfg.mk and set this variable to its name.
update-copyright-local ?=
+# If you want to set UPDATE_COPYRIGHT_* environment variables,
+# put the assignments in this variable.
+update-copyright-env ?=
+
# 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$$
update-copyright: $(update-copyright-local)
grep -l -w Copyright $$($(VC_LIST_EXCEPT)) \
| grep -v -E '$(update-copyright-exclude-regexp)' \
- | xargs $(build_aux)/$@
+ | $(update-copyright-env) xargs $(build_aux)/$@