./configure时，error: cannot find install-sh, install.sh, or shtool解决方法

在测试kaldi例子timit时，需要安装irstlm（extras/install_irstlm.sh）出现Makefile生成失败问题：

./configure时，error: cannot find install-sh, install.sh, or shtool......

以及，automake的3936行错误：

sub substitute_ac_subst_variables
{
  my ($text) = @_;
  $text =~ s/\${([^ \t=:+{}]+)}/substitute_ac_subst_variables_worker ($1)/ge;
  return $text;
}

最终发现这一切都是因为升级造成：喜欢把所有的东西都保持最新

因为，我的perl已经升级到了perl5.26，automake还停留在automake-1.11而最新的已经到了automake-1.15

继续升级autoconf和automake！！！

注意上面的顺序：

1、autoconf-2.69

wget ftp://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.xz

tar xf autoconf-2.69.tar.xz

cd autoconf-2.69

./configure --prefix=/usr

make & make install

2、automake-1.15

wget ftp://ftp.gnu.org/gnu/automake/automake-1.15.tar.xz

tar xf automake-1.15.tar.xz

cd automake-1.15

./configure --prefix=/usr

make & make install

查看一下版本：

[houwenbin@localhost tools]$ autoconf --version
autoconf (GNU Autoconf) 2.69
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+/Autoconf: GNU GPL version 3 or later
, 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by David J. MacKenzie and Akim Demaille.

[houwenbin@localhost tools]$ automake --version
automake (GNU automake) 1.15.1
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv2+: GNU GPL version 2 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Tom Tromey 
       and Alexandre Duret-Lutz .

再次安装IRSTLM

[houwenbin@localhost tools]$ extras/install_irstlm.sh
......

libtool: install: /usr/bin/install -c dict /home/houwenbin/kaldi-master/tools/irstlm/bin/dict
libtool: install: /usr/bin/install -c ngt /home/houwenbin/kaldi-master/tools/irstlm/bin/ngt
libtool: install: /usr/bin/install -c dtsel /home/houwenbin/kaldi-master/tools/irstlm/bin/dtsel
libtool: install: /usr/bin/install -c compile-lm /home/houwenbin/kaldi-master/tools/irstlm/bin/compile-lm
libtool: install: /usr/bin/install -c interpolate-lm /home/houwenbin/kaldi-master/tools/irstlm/bin/interpolate-lm
libtool: install: /usr/bin/install -c prune-lm /home/houwenbin/kaldi-master/tools/irstlm/bin/prune-lm
libtool: install: /usr/bin/install -c quantize-lm /home/houwenbin/kaldi-master/tools/irstlm/bin/quantize-lm
libtool: install: /usr/bin/install -c prune-lm /home/houwenbin/kaldi-master/tools/irstlm/bin/prune-lm
libtool: install: /usr/bin/install -c score-lm /home/houwenbin/kaldi-master/tools/irstlm/bin/score-lm
libtool: install: /usr/bin/install -c tlm /home/houwenbin/kaldi-master/tools/irstlm/bin/tlm
libtool: install: /usr/bin/install -c plsa /home/houwenbin/kaldi-master/tools/irstlm/bin/plsa
libtool: install: /usr/bin/install -c verify-caching /home/houwenbin/kaldi-master/tools/irstlm/bin/verify-caching
libtool: install: /usr/bin/install -c cswa /home/houwenbin/kaldi-master/tools/irstlm/bin/cswa
 /bin/mkdir -p '/home/houwenbin/kaldi-master/tools/irstlm/include'
 /usr/bin/install -c -m 644 cmd.h thpool.h dictionary.h gzfilebuf.h htable.h index.h lmContainer.h lmclass.h lmmacro.h lmtable.h lmInterpolation.h mempool.h mfstream.h n_gram.h ngramcache.h ngramtable.h timer.h util.h crc.h interplm.h linearlm.h mdiadapt.h mixture.h normcache.h shiftlm.h cplsa.h cswam.h doc.h '/home/houwenbin/kaldi-master/tools/irstlm/include'
make[2]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm/src'
make[1]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm/src'
Making install in scripts
make[1]: Entering directory `/home/houwenbin/kaldi-master/tools/irstlm/scripts'
make[2]: Entering directory `/home/houwenbin/kaldi-master/tools/irstlm/scripts'
make[2]: Nothing to be done for `install-exec-am'.
 /bin/mkdir -p '/home/houwenbin/kaldi-master/tools/irstlm/bin'
 /usr/bin/install -c add-start-end.sh build-lm-qsub.sh build-lm.sh rm-start-end.sh split-ngt.sh mdtsel.sh build-sublm.pl goograms2ngrams.pl lm-stat.pl merge-sublm.pl ngram-split.pl sort-lm.pl split-dict.pl plsa.sh '/home/houwenbin/kaldi-master/tools/irstlm/bin'
make[2]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm/scripts'
make[1]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm/scripts'
Making install in doc
make[1]: Entering directory `/home/houwenbin/kaldi-master/tools/irstlm/doc'
make[2]: Entering directory `/home/houwenbin/kaldi-master/tools/irstlm/doc'
make[2]: Nothing to be done for `install-exec-am'.
make[2]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm/doc'
make[1]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm/doc'
make[1]: Entering directory `/home/houwenbin/kaldi-master/tools/irstlm'
make[2]: Entering directory `/home/houwenbin/kaldi-master/tools/irstlm'
make  install-exec-hook
make[3]: Entering directory `/home/houwenbin/kaldi-master/tools/irstlm'
cd /home/houwenbin/kaldi-master/tools/irstlm/ && \
          ln -s -n -f lib lib64
make[3]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm'
make[2]: Nothing to be done for `install-data-am'.
make[2]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm'
make[1]: Leaving directory `/home/houwenbin/kaldi-master/tools/irstlm'
***() Installation of IRSTLM finished successfully
***() Please source the tools/extras/env.sh in your path.sh to enable it