[bug] gem nokogiri

xubuntu @ xubuntu  /opt/metasploit
└─ $ ▶ sudo gem install nokogiri
Building native extensions. This could take a while...
ERROR:  Error installing nokogiri:
	ERROR: Failed to build gem native extension.

    current directory: /var/lib/gems/2.5.0/gems/nokogiri-1.10.4/ext/nokogiri
/usr/bin/ruby2.5 -r ./siteconf20190827-10051-1p7ixd.rb extconf.rb
checking if the C compiler accepts ... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/bin/$(RUBY_BASE_NAME)2.5
	--help
	--clean
/usr/lib/ruby/2.5.0/mkmf.rb:456:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
	from /usr/lib/ruby/2.5.0/mkmf.rb:574:in `block in try_compile'
	from /usr/lib/ruby/2.5.0/mkmf.rb:521:in `with_werror'
	from /usr/lib/ruby/2.5.0/mkmf.rb:574:in `try_compile'
	from extconf.rb:138:in `nokogiri_try_compile'
	from extconf.rb:162:in `block in add_cflags'
	from /usr/lib/ruby/2.5.0/mkmf.rb:632:in `with_cflags'
	from extconf.rb:161:in `add_cflags'
	from extconf.rb:416:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/nokogiri-1.10.4/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /var/lib/gems/2.5.0/gems/nokogiri-1.10.4 for inspection.
Results logged to /var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/nokogiri-1.10.4/gem_make.out



xubuntu @ xubuntu  /opt/metasploit
└─ $ ▶ cat /var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/nokogiri-1.10.4/gem_make.out
current directory: /var/lib/gems/2.5.0/gems/nokogiri-1.10.4/ext/nokogiri
/usr/bin/ruby2.5 -r ./siteconf20190827-10051-1p7ixd.rb extconf.rb
checking if the C compiler accepts ... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/bin/$(RUBY_BASE_NAME)2.5
	--help
	--clean
/usr/lib/ruby/2.5.0/mkmf.rb:456:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
	from /usr/lib/ruby/2.5.0/mkmf.rb:574:in `block in try_compile'
	from /usr/lib/ruby/2.5.0/mkmf.rb:521:in `with_werror'
	from /usr/lib/ruby/2.5.0/mkmf.rb:574:in `try_compile'
	from extconf.rb:138:in `nokogiri_try_compile'
	from extconf.rb:162:in `block in add_cflags'
	from /usr/lib/ruby/2.5.0/mkmf.rb:632:in `with_cflags'
	from extconf.rb:161:in `add_cflags'
	from extconf.rb:416:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/nokogiri-1.10.4/mkmf.log

extconf failed, exit code 1

xubuntu @ xubuntu  /opt/metasploit
└─ $ ▶ sudo bundle install
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and installing your bundle as root will break
this application for all non-root users on this machine.
Warning: the running version of Bundler (1.16.1) is older than the version that created the lockfile (1.17.3). We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
Fetching gem metadata from https://rubygems.org/..............
Using rake 12.3.3
Using Ascii85 1.0.3
Using concurrent-ruby 1.0.5
Using i18n 0.9.5
Using minitest 5.11.3
Using thread_safe 0.3.6
Using tzinfo 1.2.5
Using activesupport 4.2.11.1
Using builder 3.2.3
Using erubis 2.7.0
Using mini_portile2 2.4.0
Fetching nokogiri 1.10.4
Installing nokogiri 1.10.4 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /var/lib/gems/2.5.0/gems/nokogiri-1.10.4/ext/nokogiri
/usr/bin/ruby2.5 -r ./siteconf20190827-10128-1nao7sr.rb extconf.rb
checking if the C compiler accepts ... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/bin/$(RUBY_BASE_NAME)2.5
	--help
	--clean
/usr/lib/ruby/2.5.0/mkmf.rb:456:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
	from /usr/lib/ruby/2.5.0/mkmf.rb:574:in `block in try_compile'
	from /usr/lib/ruby/2.5.0/mkmf.rb:521:in `with_werror'
	from /usr/lib/ruby/2.5.0/mkmf.rb:574:in `try_compile'
	from extconf.rb:138:in `nokogiri_try_compile'
	from extconf.rb:162:in `block in add_cflags'
	from /usr/lib/ruby/2.5.0/mkmf.rb:632:in `with_cflags'
	from extconf.rb:161:in `add_cflags'
	from extconf.rb:416:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/nokogiri-1.10.4/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /var/lib/gems/2.5.0/gems/nokogiri-1.10.4 for inspection.
Results logged to /var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/nokogiri-1.10.4/gem_make.out

An error occurred while installing nokogiri (1.10.4), and Bundler cannot continue.
Make sure that `gem install nokogiri -v '1.10.4'` succeeds before bundling.

In Gemfile:
  factory_bot_rails was resolved to 5.0.2, which depends on
    railties was resolved to 4.2.11.1, which depends on
      actionpack was resolved to 4.2.11.1, which depends on
        actionview was resolved to 4.2.11.1, which depends on
          rails-dom-testing was resolved to 1.0.9, which depends on
            nokogiri

xubuntu @ xubuntu  /opt/metasploit
└─ $ ▶ cat /var/lib/gems/2.5.0/extensions/x86_64-linux/2.5.0/nokogiri-1.10.4/mkmf.log
"gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2   -g -O2 -fdebug-prefix-map=/build/ruby2.5-TdNoZ6/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC  conftest.c  -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic     -lruby-2.5  -lpthread -lgmp -ldl -lcrypt -lm   -lc "
checked program was:
/* begin */
1: #include "ruby.h"
2:
3: int main(int argc, char **argv)
4: {
5:   return 0;
6: }
/* end */