I am uploading a NMU to DELAYED/10 in order to fix this.
The debdiff is attached.
diff -Nru mbw-1.2.2/debian/changelog mbw-1.2.2/debian/changelog
--- mbw-1.2.2/debian/changelog 2023-09-29 15:10:49.000000000 +0200
+++ mbw-1.2.2/debian/changelog 2023-09-29 14:18:55.000000000 +0200
@@ -1,3 +1,13 @@
+mbw (1.2.2-1.2) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * Convert to source format 3.0. (Closes: #1043213)
+
+ [ Helmut Grohne ]
+ * Fix FTCBFS: Let dh_auto_build pass cross tools to make. (Closes: #916488)
+
+ -- Bastian Germann <[email protected]> Fri, 29 Sep 2023 12:18:55 +0000
+
mbw (1.2.2-1.1) unstable; urgency=medium
* Non-maintainer upload.
diff -Nru mbw-1.2.2/debian/rules mbw-1.2.2/debian/rules
--- mbw-1.2.2/debian/rules 2023-09-29 15:10:49.000000000 +0200
+++ mbw-1.2.2/debian/rules 2023-09-29 14:18:55.000000000 +0200
@@ -24,7 +24,7 @@
dh_testdir
# Add here commands to compile the package.
- CFLAGS="$(CFLAGS)" $(MAKE)
+ CFLAGS="$(CFLAGS)" dh_auto_build
#docbook-to-man debian/mbw.sgml > mbw.1
touch $@
diff -Nru mbw-1.2.2/debian/source/format mbw-1.2.2/debian/source/format
--- mbw-1.2.2/debian/source/format 1970-01-01 01:00:00.000000000 +0100
+++ mbw-1.2.2/debian/source/format 2023-09-29 14:18:55.000000000 +0200
@@ -0,0 +1 @@
+3.0 (quilt)
