我在unicorn
Ruby 2.2.2
时遇到以下错误
root@magnificent-apps:~# gem install unicorn --no-ri --no-rdoc
Building native extensions. This could take a while...
ERROR: Error installing unicorn:
ERROR: Failed to build gem native extension.
/usr/local/rvm/rubies/ruby-2.2.2/bin/ruby -r ./siteconf20170116-4446-95pp1l.rb extconf.rb
checking for mmap() in sys/mman.h... *** 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/local/rvm/rubies/ruby-2.2.2/bin/$(RUBY_BASE_NAME)
--with-atomic_ops-dir
--without-atomic_ops-dir
--with-atomic_ops-include
--without-atomic_ops-include=${atomic_ops-dir}/include
--with-atomic_ops-lib
--without-atomic_ops-lib=${atomic_ops-dir}/lib
/usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:456:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:541:in `try_link0'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:556:in `try_link'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:735:in `try_func'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:1020:in `block in have_func'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:911:in `block in checking_for'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:351:in `block (2 levels) in postpone'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:321:in `open'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:351:in `block in postpone'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:321:in `open'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:347:in `postpone'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:910:in `checking_for'
from /usr/local/rvm/rubies/ruby-2.2.2/lib/ruby/2.2.0/mkmf.rb:1019:in `have_func'
from extconf.rb:4:in `<main>'
extconf failed, exit code 1
Gem files will remain installed in /usr/local/rvm/gems/ruby-2.2.2/gems/raindrops-0.17.0 for inspection.
Results logged to /usr/local/rvm/gems/ruby-2.2.2/extensions/x86_64-linux/2.2.0/raindrops-0.17.0/gem_make.out
有人可以建议如何解决这个问题吗?
答案 0 :(得分:1)
从您的终端sudo apt-get install build-essential
尝试此操作以安装所有必需的依赖项。它确实对我有用。