net-dialup/lrzsz: fix installation without gettext

If gettext is not installed, eautoreconf breaks the package.  Embed
required m4 files to fix this.

Signed-off-by: Viorel Munteanu <ceamac@gentoo.org>

net-dialup/lrzsz/Manifest

@@ -1 +1,2 @@
 DIST lrzsz-0.12.20.tar.gz 280938 BLAKE2B 86511ab112da849f5894f18c045f2c8a9dd4c4e97426c1d98c5b91aade6c39e26f4a7e5674e057c9596a240dfd3ef32053fcdc8ee58b33654cf15eec64779b1e SHA512 9bce64036f1f1c65f5910f19802aecaf3dc5ffeab0feeca10fa8d2fe1b83e212391cce23056d22fd0eda52df89e12ede68eb5d22ffcf22f935910d2af7399f12
+DIST lrzsz-m4-0.12.20.tar.bz2 23959 BLAKE2B 933e43f80a40478baef77d69f81fcb04947f2d0afb87f777b0c000ea4223408bf3e55d687cf625ab4835fb30e274f7058ff09ee3b51ad90e09723cd3053ee038 SHA512 c8818381f2e5271bc2dd7d469c0a33a6b22d42d3159b41f168223473a8b03322f3ff91a49ce398e3ef5abe7b355d92b83b1429d0c6d450d19985a60e2e1190d4

net-dialup/lrzsz/files/lrzsz-0.12.20-disable-nls.patch

@@ -0,0 +1,25 @@
+This package does not contain the m4 macros from gettext, so if gettext is not
+installed the macros are lost when running eautoreconf.
+
+Embed the required m4 files and add the directory to configure.ac.
+
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -5,6 +5,7 @@
+ noinst_SCRIPTS=systype
+ PR=@PACKAGE@-@VERSION@
+ CLEAN_FILES=fastcheck.done
++AC_CONFIG_MACRO_DIR=-I m4
+ 
+ dist-hook:
+ 	mkdir $(distdir)/debian
+--- a/configure.in
++++ b/configure.in
+@@ -3,6 +3,7 @@
+ AC_INIT(src/crctab.c)
+ AM_INIT_AUTOMAKE(lrzsz, 0.12.20)
+ AC_CONFIG_HEADERS([config.h])
++AC_CONFIG_MACRO_DIR([m4])
+ 
+ 
+ dnl AC_C_CROSS is in AC_PROG_CC since 2.12

net-dialup/lrzsz/lrzsz-0.12.20-r7.ebuild

@@ -0,0 +1,74 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools toolchain-funcs
+
+DESCRIPTION="Communication package providing the X, Y, and ZMODEM file transfer protocols"
+HOMEPAGE="https://www.ohse.de/uwe/software/lrzsz.html"
+SRC_URI="
+	https://www.ohse.de/uwe/releases/${P}.tar.gz
+	https://dev.gentoo.org/~ceamac/${CATEGORY}/${PN}/${PN}-m4-${PV}.tar.bz2
+"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="nls"
+
+DEPEND="nls? ( virtual/libintl )"
+BDEPEND="nls? ( sys-devel/gettext )"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-autotools.patch
+	"${FILESDIR}"/${PN}-implicit-decl.patch
+	"${FILESDIR}"/${P}-automake-1.12.patch
+	"${FILESDIR}"/${P}-automake-1.13.patch
+	"${FILESDIR}"/${P}-gettext-0.20.patch
+	"${FILESDIR}"/${P}-AR.patch
+	"${FILESDIR}"/${P}-configure-clang16.patch
+	"${FILESDIR}"/${P}-gettext-0.22.patch
+	"${FILESDIR}"/${P}-disable-nls.patch
+)
+
+DOCS=( AUTHORS COMPATABILITY ChangeLog NEWS \
+	README{,.cvs,.gettext,.isdn4linux,.tests} THANKS TODO )
+
+src_prepare() {
+	default
+
+	# automake is unhappy if this is missing
+	>> config.rpath || die
+	# This is too old.  Remove it so automake puts in a newer copy.
+	rm missing || die
+	# Autoheader does not like seeing this file.
+	rm acconfig.h || die
+	# embed default m4 files in case gettext is not installed
+	mv "${WORKDIR}"/m4 . || die
+
+	eautoreconf
+}
+
+src_configure() {
+	tc-export CC
+
+	econf $(use_enable nls)
+}
+
+src_test() {
+	# Don't use check target.
+	# See bug #120748 before changing this function.
+	emake vcheck
+}
+
+src_install() {
+	default
+
+	local x
+	for x in {r,s}{b,x,z} ; do
+		dosym l${x} /usr/bin/${x}
+		dosym l${x:0:1}z.1 /usr/share/man/man1/${x}.1
+		[ "${x:1:1}" = "z" ] || dosym l${x:0:1}z.1 /usr/share/man/man1/l${x}.1
+	done
+}