Problems relating to installing Ruby

Question

I used the below link to solve the problem. But got few other problems.

gem install json -v 1.7.3 gives 'Please update your PATH to include build tools'

`enter code here`C:\>ruby dk.rb init
[INFO] found RubyInstaller v2.2.4 at C:/Ruby22

Initialization complete! Please review and modify the auto-generated 'config.yml' file to ensure it contains the root directories to all of the installed Rubies you want enhanced by the DevKit.

I don't know what changes I am supposed to make and how.

C:\>ruby dk.rb install
[INFO] Updating convenience notice gem override for 'C:/Ruby22'
[INFO] Installing 'C:/Ruby22/lib/ruby/site_ruby/devkit.rb'

C:\>gem install rdiscoun
t --platform=ruby
Fetching: rdiscount-2.1.8.gem (100%)
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
ERROR:  Error installing rdiscount:
        ERROR: Failed to build gem native extension.

    C:/Ruby22/bin/ruby.exe -r ./siteconf20160313-1220-1i9eix7.rb extconf.rb
checking for random()... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:

       --with-opt-dir
        --without-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib
        --with-make-prog
        --without-make-prog
        --srcdir=.
        --curdir
        --ruby=C:/Ruby22/bin/$(RUBY_BASE_NAME)
        --with-rdiscount-dir
        --without-rdiscount-dir
        --with-rdiscount-include
        --without-rdiscount-include=${rdiscount-dir}/include
        --with-rdiscount-lib
        --without-rdiscount-lib=${rdiscount-dir}/lib
C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:456:in `try_do': The compiler failed to generat
e an executable file. (RuntimeError)
You have to install development tools first.
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:541:in `try_link0'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:556:in `try_link'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:735:in `try_func'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:1020:in `block in have_func'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:911:in `block in checking_for'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:351:in `block (2 levels) in postpo
ne'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:321:in `open'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:351:in `block in postpone'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:321:in `open'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:347:in `postpone'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:910:in `checking_for'
        from C:/Ruby22/lib/ruby/2.2.0/mkmf.rb:1019:in `have_func'
        from extconf.rb:5:in `<main>'

extconf failed, exit code 1

Gem files will remain installed in C:/Ruby22/lib/ruby/gems/2.2.0/gems/rdiscount-
2.1.8 for inspection.
Results logged to C:/Ruby22/lib/ruby/gems/2.2.0/extensions/x86-mingw32/2.2.0/rdi
scount-2.1.8/gem_make.out

Can you please help me with the problem. I've been trying solve this problem for a month. Thank you.

score 0 · Answer 1 · answered Mar 13 '16 at 11:03

It appears you have already installed DevKit, so the error message

You have to install development tools first.

suggests you have a mismatch between your Ruby version and your DevKit version. Ensure both are 64bit, or both are 32bit versions, and that you choose whichever matches your operating system.

Problems relating to installing Ruby

1 Answers1