rubyInstallationQ&A

openssl.h

  • error description

    $ ruby extconf.rb
...
checking for openssl/ssl.h... no
...

  • solution

    [!TIP] Install openssl lib

    $ sudo apt-get intall libssl-dev
$ dpkg -l | grep openssl
ii  libcurl3:amd64                      7.35.0-1ubuntu2                            amd64        easy-to-use client-side URL transfer library (OpenSSL flavour)
ii  libcurl4-openssl-dev:amd64          7.35.0-1ubuntu2                            amd64        development files and documentation for libcurl (OpenSSL flavour)
ii  libgnutls-openssl27:amd64           2.12.23-12ubuntu2.1                        amd64        GNU TLS library - OpenSSL wrapper
ii  openssl                             1.0.1f-1ubuntu2.4                          amd64        Secure Sockets Layer toolkit - cryptographic utility
ii  python-openssl                      0.13-2ubuntu6                              amd64        Python 2 wrapper around the OpenSSL library

thread_native.h

  • error description

    $ make
make: *** No rule to make target `/thread_native.h`, needed by `ossl.o`. Stop.

  • solution

    [!TIP] add top_srcdir=../.. into Makefile (the 63th line as below)

    $ grep top_srcdir Makefile -n
63: top_srcdir=../..
279: ossl.o: $(top_srcdir)/thread_native.h $(top_srcdir)/thread_$(THREAD_MODEL).h

sqlite3.h

  • error description

    $ gem install vmail
...
Fetching: sqlite3-1.3.9.gem
Building native extensions. This could take a while...
ERROR: Error installing vmail:
       ERROR: Failed to build gem native extension.
       /usr/local/ruby/bin/ruby extconf.rb
checking for sqlite3.h... no
sqlite3.h is missing. Try 'port install sqlite3 +universal',
'yum install sqlite-devel' or 'apt-get install libsqlite3-dev'
and check your shared library search path (the 
location where you sqlite3 shared library is located).
*** extconf.rb failed ***
...

  • solution

    [!TIP] install libsqlite3-dev in Ubuntu as the error logged

    $ sudo apt-get install libsqlite3-dev

libyaml-0.so.2 & psych.so

  • error description

    $ gem install compass
/usr/local/ruby/lib/ruby/2.1.0/yaml.rb:4:in `<top (required)>':
It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby.
/usr/local/ruby/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require': libyaml-0.so.2: cannot open shared object file: No such file or directory - /usr/local/ruby/lib/ruby/2.1.0/x86_64-linux/psych.so (LoadError)
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/local/ruby/lib/ruby/2.1.0/psych.rb:1:in `<top (required)>'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/local/ruby/lib/ruby/2.1.0/yaml.rb:5:in `<top (required)>'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems.rb:616:in `load_yaml'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/config_file.rb:328:in `load_file'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/config_file.rb:197:in `initialize'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/gem_runner.rb:74:in `new'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/gem_runner.rb:74:in `do_configuration'
        from /usr/local/ruby/lib/ruby/2.1.0/rubygems/gem_runner.rb:39:in `run'
        from /usr/local/ruby/bin/gem:21:in `<main>'

  • solution

    $ sudo apt-get install libyaml-dev
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