https://bugs.gentoo.org/890256
https://github.com/rrthomas/recode/commit/dcdd5d26c0c2c49f8113b63186449d6a1e3a509e

From dcdd5d26c0c2c49f8113b63186449d6a1e3a509e Mon Sep 17 00:00:00 2001
From: Reuben Thomas <rrt@sc3d.org>
Date: Fri, 6 Jan 2023 20:11:03 +0100
Subject: [PATCH] src/Makefile.am: allow build without help2man

--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -19,7 +19,7 @@ AUTOMAKE_OPTIONS = gnits
 bin_PROGRAMS = recode
 lib_LTLIBRARIES = librecode.la
 noinst_LTLIBRARIES = libmerged.la
-man_MANS = recode.1
+dist_man_MANS = recode.1
 include_HEADERS = recode.h recodext.h
 
 H_STEPS = common.h decsteps.h inisteps.h tersteps.h \
@@ -100,12 +100,12 @@ merged.c: mergelex.py $(L_STEPS)
 # Depend on recode$(EXEEXT) rather than explicitly make-ing it, as otherwise
 # we break parallel builds, as libmerged.la can be built twice in parallel,
 # which can fail.
-recode.1: main.c $(top_srcdir)/configure.ac recode$(EXEEXT)
+recode.1: main.c $(top_srcdir)/configure.ac
 ## Exit gracefully if recode.1 is not writeable, such as during distcheck!
 	$(AM_V_GEN)if ( touch $@.w && rm -f $@.w; ) >/dev/null 2>&1; then \
 	  $(top_srcdir)/build-aux/missing --run $(HELP2MAN) --locale=en_US.UTF-8 \
 		--name="converts files between character sets" \
-		--output=$@ ./recode; \
+		--output=$@ ./recode$(EXEEXT); \
 	fi
 
 main.o: main.c ../config.status
@@ -169,5 +169,3 @@ strip-pool.c strip-data.c: stamp-strip
 stamp-strip: ../tables.py $(MNEMONICS_DS) $(CHARSETS_DEF)
 	$(TABLES_PY) -C $(srcdir) -p $(MNEMONICS_DS) $(CHARSETS_DEF)
 	@echo timestamp > $(srcdir)/$@
-
-DISTCLEANFILES = recode.1
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,5 @@
 # Makefile for Recode regression tests.
-# Copyright © 1996-2022 Free Software Foundation, Inc.
+# Copyright © 1996-2023 Free Software Foundation, Inc.
 # François Pinard <pinard@iro.umontreal.ca>, 1988.
 
 # This program is free software; you can redistribute it and/or modify