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I have installed ruby on rails using rvm . I am trying to bundle install an older project that I had on a former pc but I get the following error when I run the bundle install command:

Installing json 1.8.3 with native extensions

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

    /home/florin/.rvm/rubies/ruby-2.2.3/bin/ruby -r ./siteconf20151003-5986-vme5ji.rb extconf.rb
creating Makefile

make "DESTDIR=" clean

make "DESTDIR="
compiling generator.c
linking shared-object json/ext/generator.so
/usr/bin/ld: cannot find -lgmp
collect2: error: ld returned 1 exit status
make: *** [generator.so] Error 1

make failed, exit code 2

Gem files will remain installed in /home/florin/.rvm/gems/ruby-2.2.3/gems/json-1.8.3 for inspection.
Results logged to /home/florin/.rvm/gems/ruby-2.2.3/extensions/x86_64-linux/2.2.0/json-1.8.3/gem_make.out
An error occurred while installing json (1.8.3), and Bundler cannot continue.
Make sure that `gem install json -v '1.8.3'` succeeds before bundling.

Reading the internet I tried installing all the dev things like :
sudo apt-get install libpq-dev

sudo apt-get install libmysqlclient-dev
sudo apt-get install libpq-dev
sudo apt-get install libsqlite3-dev
sudo apt-get install libev-dev

but it didn't work.

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  • please rename the question to "can't bundle install json gem in ubuntu" :)
    – ringe
    Mar 17, 2017 at 17:20
  • i did rename it Mar 18, 2017 at 7:14

1 Answer 1

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/usr/bin/ld: cannot find -lgmp means that the linker tries to link lgmp but can't find it.

Solution: Install the library needed: sudo apt-get install libgmp3-dev

Related: https://github.com/flori/json/issues/253

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  • that fixed the problem with json, and I thank you very much. Do I open a new post for the new one ? or update the existing one ? Oct 3, 2015 at 12:00
  • Correct, please open a new question...
    – Jan
    Oct 3, 2015 at 12:04
  • You are my hero. Feb 4, 2016 at 0:14

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