Thanks for reporting that. I installed the attached patch.From 53c23bb4e1cd8aa35248c73277fa08b7c38a6ad9 Mon Sep 17 00:00:00 2001
From: Paul Eggert
Date: Mon, 21 Oct 2024 10:49:30 -0700
Subject: [PATCH] Avoid some echo '...\...' gotchas
Problem with AC_SUBST_FILE reported by Dylan Palauzov in:
ht
Hello,
the line lib/autoconf/status.m4:390:
echo 'cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&' &&
is according to the thread
https://lore.kernel.org/dash/ffa48796-347b-4a7e-8cb3-c47f22fab...@gigawatt.nl/T/
not portable. The behaviour of dash will likely be re-aligned to bash.
Portable will be