Add libtool 1.4.

sysa/libtool-1.4/checksums/pass1

@@ -0,0 +1,2 @@
+99cff07a501eb0062fc49db1baec30c83afc0c92f2f8478fc0e6ca7439d2c9b6  /after/lib/musl/libltdl.a
+c247c7c1516ed35414c8b038535969a67ce4bbfd2abdfed85a89941bca09d55d  /after/lib/musl/libltdl.la

sysa/libtool-1.4/pass1.sh

@@ -0,0 +1,23 @@
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default_src_prepare
+
+    AUTOCONF=autoconf-2.13 AUTOHEADER=autoheader-2.13 ACLOCAL=aclocal-1.4 AUTOMAKE=automake-1.4 ./bootstrap
+}
+
+src_configure() {
+    CC=tcc LD=true AR="tcc -ar" ./configure \
+      --prefix="${PREFIX}" \
+      --libdir="${PREFIX}/lib/musl" \
+      --disable-shared \
+      --host=i386-unknown-linux \
+      --target=i386-unknown-linux \
+      --build=i386-unknown-linux
+}
+
+src_compile() {
+    AR="tcc -ar" AR_FLAGS="cr" make
+}

sysa/run.sh

@@ -85,6 +85,8 @@ build autoconf-2.13
 
 build autoconf-2.12
 
+build libtool-1.4 pass1.sh checksums/pass1
+
 build binutils-2.14
 
 # Build musl with fewer patches