Ubuntu　buildozer　android　debug　で　undefined macro: AC_PROG

buildozerを使ってPythonのプログラムをapkにデバッグしています。
ボタンを表示するだけのプログラムをデバッグしたときはうまくいったのですが
pyknpのプログラムをデバッグするとエラーになりました

Ubuntu:16.04
buildozer:1.1.1.dev0

エラー

[INFO]:    -> directory context /home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/build-armeabi-v7a/build/other_builds/libffi/armeabi-v7a__ndk_target_21/libffi
[INFO]:    -> running autoreconf -vif
           working: autoreconf: /usr/bin/autoconf failed with exit status: 1   Exception in thread background thread for pid 17559:
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/threading.py", line 932, in _bootstrap_inner
    self.run()
  File "/usr/local/lib/python3.8/threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.8/site-packages/sh.py", line 1662, in wrap
    fn(*args, **kwargs)
  File "/usr/local/lib/python3.8/site-packages/sh.py", line 2606, in background_thread
    handle_exit_code(exit_code)
  File "/usr/local/lib/python3.8/site-packages/sh.py", line 2304, in fn
    return self.command.handle_command_exit_code(exit_code)
  File "/usr/local/lib/python3.8/site-packages/sh.py", line 877, in handle_command_exit_code
    raise exc
sh.ErrorReturnCode_1: 

  RAN: /usr/bin/autoreconf -vif

  STDOUT:
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force -I m4
configure.ac:380: warning: AC_PROG_LD is m4_require'd but not m4_defun'd
acinclude.m4:251: LIBFFI_CHECK_LINKER_FEATURES is expanded from...
acinclude.m4:353: LIBFFI_ENABLE_SYMVERS is expanded from...
configure.ac:380: the top level
configure.ac:380: warning: AC_PROG_LD is m4_require'd but not m4_defun'd
acinclude.m4:251: LIBFFI_CHECK_LINKER_FEATURES is expanded from...
acinclude.m4:353: LIBFFI_ENABLE_SYMVERS is expanded from...
configure.ac:380: the top level
autoreconf: configure.ac: tracing
configure.ac:380: warning: AC_PROG_LD is m4_require'd but not m4_defun'd
acinclude.m4:251: LIBFFI_CHECK_LINKER_FEATURES is expanded from...
acinclude.m4:353: LIBFFI_ENABLE_SYMVERS is expanded from...
configure.ac:380: the top level
autoreconf: configure.ac: not using Libtool
autoreconf: running: /usr/bin/autoconf --force
configure.ac:380: warning: AC_PROG_LD is m4_require'd but not m4_defun'd
acinclude.m4:251: LIBFFI_CHECK_LINKER_FEATURES is expanded from...
acinclude.m4:353: LIBFFI_ENABLE_SYMVERS is expanded from...
configure.ac:380: the top level
configure.ac:41: error: possibly undefined macro: AC_PROG_LIBTOOL
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure:7697: error: possibly undefined macro: AC_PROG_LD
autoreconf: /usr/bin/autoconf failed with exit status: 1


  STDERR:

Traceback (most recent call last):                                             
  File "/usr/local/lib/python3.8/runpy.py", line 194, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/usr/local/lib/python3.8/runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 1260, in <module>
    main()
  File "/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/python-for-android/pythonforandroid/entrypoints.py", line 18, in main
    ToolchainCL()
  File "/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 709, in __init__
    getattr(self, command)(args)
  File "/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 154, in wrapper_func
    build_dist_from_args(ctx, dist, args)
  File "/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/python-for-android/pythonforandroid/toolchain.py", line 213, in build_dist_from_args
    build_recipes(build_order, python_modules, ctx,
  File "/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/python-for-android/pythonforandroid/build.py", line 577, in build_recipes
    recipe.build_arch(arch)
  File "/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/python-for-android/pythonforandroid/recipes/libffi/__init__.py", line 41, in build_arch
    shprint(sh.Command('autoreconf'), '-vif', _env=env)
  File "/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/python-for-android/pythonforandroid/logger.py", line 167, in shprint
    for line in output:
  File "/usr/local/lib/python3.8/site-packages/sh.py", line 925, in next
    self.wait()
  File "/usr/local/lib/python3.8/site-packages/sh.py", line 849, in wait
    self.handle_command_exit_code(exit_code)
  File "/usr/local/lib/python3.8/site-packages/sh.py", line 877, in handle_command_exit_code
    raise exc
sh.ErrorReturnCode_1: 

  RAN: /usr/bin/autoreconf -vif

  STDOUT:
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force -I m4
configure.ac:380: warning: AC_PROG_LD is m4_require'd but not m4_defun'd
acinclude.m4:251: LIBFFI_CHECK_LINKER_FEATURES is expanded from...
acinclude.m4:353: LIBFFI_ENABLE_SYMVERS is expanded from...
configure.ac:380: the top level
configure.ac:380: warning: AC_PROG_LD is m4_require'd but not m4_defun'd
acinclude.m4:251: LIBFFI_CHECK_LINKER_FEATURES is expanded from...
acinclude.m4:353: LIBFFI_ENABLE_SYMVERS is expanded from...
configure.ac:380: the top level
autoreconf: configure.ac: tracing
configure.ac:380: warning: AC_PROG_LD is m4_require'd but not m4_defun'd
acinclude.m4:251: LIBFFI_CHECK_LINKER_FEATURES is expanded from...
acinclude.m4:353: LIBFFI_ENABLE_SYMVERS is expanded from...
configure.ac:380: the top level
autoreconf: configure.ac: not using Libtool
autoreconf: running: /usr/bin/autoconf --force
configure.ac:380: warning: AC_PROG_LD is m4_require'd but not m4_defun'd
acinclude.m4:251: LIBFFI_CHECK_LINKER_FEATURES is expanded from...
acinclude.m4:353: LIBFFI_ENABLE_SYMVERS is expanded from...
configure.ac:380: the top level
configure.ac:41: error: possibly undefined macro: AC_PROG_LIBTOOL
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure:7697: error: possibly undefined macro: AC_PROG_LD
autoreconf: /usr/bin/autoconf failed with exit status: 1


  STDERR:

# Command failed: /usr/local/bin/python3.8 -m pythonforandroid.toolchain create --dist_name=pyknptest --bootstrap=sdl2 --requirements=python3,kivy,pyknp --arch armeabi-v7a --copy-libs --color=always --storage-dir="/home/ubun/ProgramFiles/kivyTest/.buildozer/android/platform/build-armeabi-v7a" --ndk-api=21


# Buildozer failed to execute the last command
# The error might be hidden in the log above this error
# Please read the full log, and search for it before
# raising an issue with buildozer itself.
# In case of a bug report, please add a full log with log_level = 2

うまくいったもの

python
1from kivy.app import App
2from kivy.uix.button import Button
3class TutorialApp(App):
4    def build(self):
5        return Button(text="Hello World!")
6TutorialApp().run()

だめだったもの

python
1# -*- coding: utf-8 -*-
2from __future__ import unicode_literals #Unicode でないとエラーになる
3
4from kivy.app import App
5#from kivy.uix.button import Button
6from kivy.uix.label import Label
7
8#------------日本語表示用
9from kivy.core.text import LabelBase, DEFAULT_FONT
10from kivy.resources import resource_add_path
11resource_add_path("./japaneseFont")
12LabelBase.register(DEFAULT_FONT, "ipaexg.ttf")
13#------------------------
14from pyknp import Juman
15import pyknp
16
17class TutorialApp(App):
18    def build(self):
19        knp=pyknp.KNP(option=u'-tab -anaphora',jumanpp=False)
20        text="すもももももももものうち"
21        rslt=knp.parse(text)
22        #return Button(text=rslt.all())
23        return Label(text=rslt.all())
24
25TutorialApp().run()

エラーで検索したところlibtoolやautoconf automakeが足りない
という情報が見つかったのですがどれも既に入っていました。

$ dpkg -l autoconf
ii  autoconf       2.69-9       all          automatic configure script builde
$ dpkg -l automake
ii  automake       1:1.15-4ubun all          Tool for generating GNU Standards
$ dpkg -l libtool
ii  libtool        2.4.6-0.1    all          Generic library support script

buildozer.spec

title = pyknptest
package.name = pyknptest
package.domain = org.test
source.dir = .
requirements = python3,kivy,pyknp
android.api = 26
android.minapi = 21
android.sdk = 26
android.ndk = r19c
android.ndk_path = /media/sf_VM-share/android-ndk-r19c/android-ndk-r19c
android.sdk_path = /media/sf_VM-share

何かアドバイスお願いします。