libtool: fix autoconf mismatch

srcpkgs/libtool/template

@@ -1,10 +1,10 @@
 # Template file for 'libtool'
 pkgname=libtool
 version=2.4.7
-revision=2
+revision=3
 build_style=gnu-configure
-hostmakedepends="texinfo perl automake help2man xz"
-depends="tar sed"
+hostmakedepends="texinfo perl automake help2man xz gnulib tar"
+depends="tar sed grep"
 short_desc="Generic library support script"
 maintainer="Enno Boland <gottox@voidlinux.org>"
 license="GPL-2.0-or-later"
@@ -17,9 +17,14 @@ if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
 	configure_args="lt_cv_shlibpath_overrides_runpath=yes"
 fi
 
-pre_configure() {
-	touch aclocal.m4 libltdl/aclocal.m4 Makefile.am libltdl/Makefile.am Makefile.in libltdl/Makefile.in
-	./bootstrap --force
+post_extract() {
+	chmod -R +rw .
+}
+
+do_configure() {
+	./bootstrap --force --no-git --skip-po \
+		--gnulib-srcdir=/usr/share/gnulib/ --copy
+	./configure ${configure_args} SED=/bin/sed GREP=/bin/grep
 }
 
 post_install() {