Heroku: LoadError: libgsl.so.0: cannot open shared object file: No such file or directory about heroku-buildpack-gsl-ruby

[diasks2]

I also got this same error:

/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.4/lib/active_support/dependencies.rb:247:in`require': libgsl.so.0: cannot open shared object file: No such file or directory - /app/vendor/bundle/ruby/2.1.0/extensions/x86_64-linux/2.1.0-static/rb-gsl-1.16.0.2/gsl/gsl_native.so (LoadError)
2014-08-02T02:21:47.718743+00:00 app[web.1]:    from /app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.4/lib/active_support/dependencies.rb:247:in `block in require'
2014-08-02T02:21:47.718745+00:00 app[web.1]:    from /app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.4/lib/active_support/dependencies.rb:232:in `load_dependency'

[diasks2]

@skozz - I found this question on SO: http://stackoverflow.com/questions/22847350/setting-the-right-path-on-heroku-for-a-vendor-library

I set the config variable as stated and it solved this issue for me.

$ heroku config:set LD_LIBRARY_PATH=/app/vendor/gsl-1/lib

[gregory]

just made 2 buildpack(1.16 and 1.15) for ruby, check this out: https://github.com/gregory/heroku-gsl-buildpack