emit error when install in ubuntu 18.10

[jasonzhouu]

> uname -a
Linux lenovo 4.18.0-16-generic #17-Ubuntu SMP Fri Feb 8 00:06:57 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
> ruby --version
ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux-gnu]
> gem --version
3.0.3
> sudo gem install sibit
Fetching bitcoin-0.2.0.gem
Fetching eventmachine-1.2.7.gem
Fetching bitcoin-ruby-0.0.19.gem
Fetching ffi-compiler-1.0.1.gem
Fetching scrypt-3.0.6.gem
Fetching json-2.2.0.gem
Fetching slop-4.6.2.gem
Fetching sibit-0.3.0.gem
Fetching ethon-0.12.0.gem
Fetching typhoeus-1.3.1.gem
Building native extensions. This could take a while...
ERROR:  Error installing sibit:
        ERROR: Failed to build gem native extension.

    current directory: /var/lib/gems/2.5.0/gems/ffi-1.10.0/ext/ffi_c
/usr/bin/ruby2.5 -I /usr/local/lib/site_ruby/2.5.0 -r ./siteconf20190411-32653-2ruag8.rb extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h

extconf failed, exit code 1

[yegor256]

@jasonzhouu you have to install ruby-dev, I believe:

$ sudo apt-get install ruby-dev

[yegor256]

@jasonzhouu or maybe I should just get rid of this typhoeus dependency. Hold on...

[jasonzhouu]

@jasonzhouu you have to install ruby-dev, I believe:

$ sudo apt-get install ruby-dev

Thank you for the reply, but after install ruby-dev the problem still exists.

> sudo gem install sibit
Building native extensions. This could take a while...
Successfully installed ffi-1.10.0
Successfully installed ffi-compiler-1.0.1
Building native extensions. This could take a while...
ERROR:  Error installing sibit:
        ERROR: Failed to build gem native extension.

    current directory: /var/lib/gems/2.5.0/gems/scrypt-3.0.6/ext/scrypt
/usr/bin/ruby2.5 -rrubygems /usr/share/rubygems-integration/all/gems/rake-12.3.1/exe/rake RUBYARCHDIR\=/var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/scrypt-3.0.6 RUBYLIBDIR\=/var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/scrypt-3.0.6
/usr/bin/ruby2.5: No such file or directory -- /usr/share/rubygems-integration/all/gems/rake-12.3.1/exe/rake (LoadError)

rake failed, exit code 1

[yegor256]

@rultor release, tag is 0.3.1

[rultor]

@rultor release, tag is 0.3.1

@yegor256 OK, I will release it now. Please check the progress here

[rultor]

@rultor release, tag is 0.3.1

@yegor256 Done! FYI, the full log is here (took me 4min)

[yegor256]

@jasonzhouu try again please

[jasonzhouu]

@jasonzhouu try again please

Thank you for quick fix, but the problem still exists on Ubuntu 18.10

> sudo gem install sibit
Fetching sibit-0.3.1.gem
Building native extensions. This could take a while...
ERROR:  Error installing sibit:
        ERROR: Failed to build gem native extension.

    current directory: /var/lib/gems/2.5.0/gems/scrypt-3.0.6/ext/scrypt
/usr/bin/ruby2.5 -rrubygems /usr/share/rubygems-integration/all/gems/rake-12.3.1/exe/rake RUBYARCHDIR\=/var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/scrypt-3.0.6 RUBYLIBDIR\=/var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/scrypt-3.0.6
/usr/bin/ruby2.5: No such file or directory -- /usr/share/rubygems-integration/all/gems/rake-12.3.1/exe/rake (LoadError)

rake failed, exit code 1

[jasonzhouu]

install successfully on macOS 10.14.2

> uname -a
Darwin mac.local 18.2.0 Darwin Kernel Version 18.2.0: Mon Nov 12 20:24:46 PST 2018; root:xnu-4903.231.4~2/RELEASE_X86_64 x86_64
> sudo gem install sibit -n /usr/local/bin
Successfully installed bitcoin-ruby-0.0.19
Successfully installed bitcoin-0.2.0
Building native extensions. This could take a while...
Successfully installed json-2.2.0
Successfully installed slop-4.6.2
Successfully installed sibit-0.3.1
Parsing documentation for bitcoin-ruby-0.0.19
Installing ri documentation for bitcoin-ruby-0.0.19
Parsing documentation for bitcoin-0.2.0
Installing ri documentation for bitcoin-0.2.0
Parsing documentation for json-2.2.0
Installing ri documentation for json-2.2.0
Parsing documentation for slop-4.6.2
Installing ri documentation for slop-4.6.2
Parsing documentation for sibit-0.3.1
Installing ri documentation for sibit-0.3.1
Done installing documentation for bitcoin-ruby, bitcoin, json, slop, sibit after 5 seconds
5 gems installed
> sibit --help
Usage (0.3.1): sibit [options] command [args]
Commands are:
    generate: Generate a new private key
    create:   Create a public Bitcoin address from the key
    balance:  Check the balance of the Bitcoin address
    pay:      Send a new Bitcoin transaction
Options are:
    --help     Read this: https://github.com/yegor256/sibit
    --verbose  Print all possible debug messages

[yegor256]

@jasonzhouu see 499689f

[jasonzhouu]

@jasonzhouu see 499689f

Success! Thank you~