puma gem - Failed to build gem native extension

puma
Amod Pandey picture Amod Pandey · May 9, 2015 · Viewed 25.8k times · Source

I was getting the following error while installing puma gem

    $ gem install puma
    Fetching: puma-2.11.2.gem (100%)
    Building native extensions.  This could take a while...
    ERROR:  Error installing puma:
    ERROR: Failed to build gem native extension.

    ruby extconf.rb
    checking for BIO_read() in -lcrypto... no
    checking for BIO_read() in -llibeay32... no
    *** extconf.rb failed ***

Answer

Zack Xu picture Zack Xu · Dec 7, 2015

Try the following

gem install puma -- --with-cppflags=-I/usr/local/opt/openssl/include
bundle install

You can also specify the gem version, like the following:

gem install puma -v '2.11.3' -- --with-cppflags=-I/usr/local/opt/openssl/include

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