It gives me the error of
gem install curb
Building native extensions. This could take a while...
ERROR: Error installing curb:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.9.1 extconf.rb
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from extconf.rb:1:in `<main>'
Gem files will remain installed in /home/user1/.rvm/gems/ruby-1.9.3-p392/gems/curb-0.8.3 for inspection.
Results logged to /home/user1/.rvm/gems/ruby-1.9.3-p392/gems/curb-0.8.3/ext/gem_make.out
rvm list
rvm rubies
ruby-1.9.3-p385 [ broken ]
=* ruby-1.9.3-p392 [ x86_64 ]
ruby-2.0.0-p0 [ x86_64 ]
# => - current
# =* - current && default
# * - default
user1@ubuntu:~$ sudo apt-get install libcurl3 libcurl3-gnutls libcurl4-openssl-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libcurl3-gnutls is already the newest version.
libcurl4-openssl-dev is already the newest version.
libcurl3 is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
How do I fix it?
As I remember it uses curl libs to compile natively
So you will need curl dev libs installed try installing
sudo apt-get install libcurl4-openssl-dev
or
sudo apt-get install libcurl4-gnutls-dev
On fedora I did sudo yum install curl-devel
and then did gem install curb
and that did the trick for me
In Ubuntu 18.04, using
sudo apt install libcurl4-openssl-dev
and then install curb
gem install curb
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