Read more:
How to install cygwin
How to add packages after install Cygwin
Installation:
apt-cyg install libtool
Result:
$ apt-cyg install libtool Installing libtool --2016-08-20 22:04:47-- http://cygwin.mirror.constant.com//x86_64/release/libtool/libtool-2.4.6-3.tar.xz Resolving cygwin.mirror.constant.com (cygwin.mirror.constant.com)... 108.61.5.83 Connecting to cygwin.mirror.constant.com (cygwin.mirror.constant.com)|108.61.5.83|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 725812 (709K) [application/octet-stream] Saving to: ‘libtool-2.4.6-3.tar.xz’ libtool-2.4.6-3.tar 100%[===================>] 708,80K 93,3KB/s in 8,9s 2016-08-20 22:04:56 (79,4 KB/s) - ‘libtool-2.4.6-3.tar.xz’ saved [725812/725812] libtool-2.4.6-3.tar.xz: OK Unpacking... Package libtool requires the following packages, installing: bash libltdl7 Package bash is already installed, skipping Package libltdl7 is already installed, skipping Package libtool installed
