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I want to build and use this github project https://github.com/cmedley/terraforming

I am trying to follow the instruction here https://github.com/cmedley/terraforming#development to build and run the package.

However, when I run ./script/setup I got

Traceback (most recent call last):
    2: from /usr/local/bin/bundle:23:in `<main>'
    1: from /usr/local/Cellar/ruby/2.6.3/lib/ruby/2.6.0/rubygems.rb:302:in `activate_bin_path'
/usr/local/Cellar/ruby/2.6.3/lib/ruby/2.6.0/rubygems.rb:283:in `find_spec_for_exe': can't find gem bundler (>= 0.a) with executable bundle (Gem::GemNotFoundException)

Did I miss anything obvious? I do not have much ruby experience and I am totally unfamiliar with Ruby ecosystem.

Anthony Kong
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  • Do you have `bundler` gem installed? `gem install bundler`. This is a sort of "meta" library, it's used to install other libraries – max pleaner Nov 05 '19 at 03:29
  • I don't think so. I ran `gem list` and I do not see it in the output – Anthony Kong Nov 05 '19 at 03:30
  • So, give it a try. Having this gem installed is what gives you access to the `bundle` command (or `bundle install`, same thing) which installs the project dependencies – max pleaner Nov 05 '19 at 03:35

1 Answers1

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The error as shown in the question is solved by the suggestion from Max Pleaner.

 gem install bundler

However it soon encountered a second problem:

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

current directory: /Users/antkong/Documents/Personal/wd/terraforming-assume-role/bin/ruby/2.3.0/gems/json-2.2.0/ext/json/ext/generator /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby -r ./siteconf20191105-34055-mnnpg3.rb extconf.rb mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/include/ruby.h

extconf failed, exit code 1

Gem files will remain installed in /Users/antkong/Documents/Personal/wd/terraforming-assume-role/bin/ruby/2.3.0/gems/json-2.2.0
for inspection.
Results logged to
/Users/antkong/Documents/Personal/wd/terraforming-assume-role/bin/ruby/2.3.0/extensions/universal-darwin-18/2.3.0/json-2.2.0/gem_make.out

An error occurred while installing json (2.2.0), and Bundler cannot continue.
Make sure that `gem install json -v '2.2.0' --source 'https://rubygems.org/'` succeeds before bundling.

In Gemfile:
  coveralls was resolved to 0.8.21, which depends on
    simplecov was resolved to 0.14.1, which depends on
      json

The solution it to follow the instruction in this answer: https://stackoverflow.com/a/58084238/58129

I reproduce the steps below:

sudo rm -rf /Library/Developer/CommandLineTools
xcode-select --install
sudo xcodebuild -license accept
open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg
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Anthony Kong
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