build: Improve customizations.

* cfg.mk (_autoreconf): Define, to avoid running autoreconf.
(update-copyright-env): Set UPDATE_COPYRIGHT_MAX_LINE_LENGTH to 999, not 79.

diff --git a/cfg.mk b/cfg.mk
index 22bc6eee8cf740bdc790d258cd1b708652bc85db..db7d8252a80e160e8244b619a3ad9effe00f1b9f 100644 (file)
--- a/cfg.mk
+++ b/cfg.mk
@@ -1,8 +1,12 @@
-SED ?= sed
+SED = sed
 
+# autoreconf is unsupported in this package! Use autogen.sh instead.
+_autoreconf = ./autogen.sh
+
+# Avoid line breaks in Copyright lines.
 update-copyright-env = \
   UPDATE_COPYRIGHT_USE_INTERVALS=1 \
-  UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79
+  UPDATE_COPYRIGHT_MAX_LINE_LENGTH=999
 
 # Disable a nonsensical maint.mk rule.
 # See <https://lists.gnu.org/archive/html/bug-gnulib/2022-09/msg00074.html>.