Question 47117 in Debian Question posted in
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How do I force Bundler to get the right libv8-node for mini-racer? – Debian

I’m working on a Rails 5->6 update. When I run bundle update, we reach mini_racer, which requires libv8-node. When Bundler tries to get libv8-node v. 15.14.0.1, it tries to install <our local mirror path>/gems/gems-repos/gems/libv8-node-15.14.0.1-x86_64-linux-musl.gem, which is incorrect (this is a Debian VM) and the server responds with an error. gem install libv8-node works just fine.

The ruby-libv8-node page suggests there is a known issue with Bundler picking the wrong platform. Chasing down that rabbit hole it looks like there are proposed solutions but nothing released yet.

In the meantime, is there a workaround for forcing Bundler to use the right platform? This is Bundler 2.2.28 and Ruby 2.6.6.

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2

Answers


  1. 0

    Based on the README, it says

    If a published binary does not work for you, bundler allows to force using the ruby platform via force_ruby_platform, which will compile from source.

    so please try

    BUNDLE_FORCE_RUBY_PLATFORM=1 bundle install

    or BUNDLE_FORCE_RUBY_PLATFORM=1 bundle update rails

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  2. 0

    I’ve been dealing with this problem today. Whilst enabling the BUNDLE_FORCE_RUBY_PLATFORM=1 environment variable for bundler will work because it compiles from source, however this will be slow. Compiling libv8-node is no small chunk of code.

    An alternative that worked for me was

    BUNDLE_SPECIFIC_PLATFORM=1 bundle install

    and that pulled the correct pre-compiled x86_64-linux binary for libv8-node. Much faster.

    Note, I had already added x86_64-linux to the PLATFORMS section of the lockfile using bundle lock --add-platform x86_64-linux. This is the right thing to do anyway, but I’m not able to say for sure whether the BUNDLE_SPECIFIC_PLATFORM alone was sufficient to resolve or whether it was the combination.

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