安装cf-uaac报错 ERROR: Failed to build gem native extension

[qimiao2014]

有同学遇到过这种情况吗？windows下安装失败

ruby版本是2.1， devkit 也安装成功了
c:\Ruby21>gem install cf-uaac -r --source http://rubygems.org/
ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError)
Errno::ETIMEDOUT: A connection attempt failed because the connected party d
d not properly respond after a period of time, or established connection failed
because connected host has failed to respond. - connect(2) for "api.rubygems.or
" port 80 (http://api.rubygems.org/gems/cf-uaa-lib-3.1.0.gem)

c:\Ruby21>gem install cf-uaac -r --source http://rubygems.org/
Fetching: cf-uaa-lib-3.1.0.gem (100%)
Successfully installed cf-uaa-lib-3.1.0
Fetching: highline-1.6.21.gem (100%)
Successfully installed highline-1.6.21
Fetching: eventmachine-1.0.7.gem (100%)
Temporarily enhancing PATH to include DevKit...
Building native extensions. This could take a while...
ERROR: Error installing cf-uaac:
ERROR: Failed to build gem native extension.

C:/Ruby21/bin/ruby.exe extconf.rb
checking for main() in -lssl... *** 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=C:/Ruby21/bin/ruby
--with-openssl-config
--without-openssl-config
--with-pkg-config
--without-pkg-config
--with-ssl-dir
--without-ssl-dir
--with-ssl-include
--without-ssl-include=${ssl-dir}/include
--with-ssl-lib
--without-ssl-lib=${ssl-dir}/lib
--with-ssllib
--without-ssllib
C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:456:in `try_do': The compiler failed to generat
e an executable file. (RuntimeError)
You have to install development tools first.
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:541:in `try_link0'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:556:in `try_link'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:742:in `try_func'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:973:in `block in have_library'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:918:in `block in checking_for'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:351:in `block (2 levels) in postpo
ne'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:321:in `open'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:351:in `block in postpone'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:321:in `open'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:347:in `postpone'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:917:in `checking_for'
from C:/Ruby21/lib/ruby/2.1.0/mkmf.rb:968:in `have_library'
from extconf.rb:5:in `block in check_libs'
from extconf.rb:5:in `each'
from extconf.rb:5:in `all?'
from extconf.rb:5:in `check_libs'
from extconf.rb:39:in `manual_ssl_config'
from extconf.rb:64:in `<main>'

extconf failed, exit code 1

Gem files will remain installed in C:/Ruby21/lib/ruby/gems/2.1.0/gems/eventmachi
ne-1.0.7 for inspection.
Results logged to C:/Ruby21/lib/ruby/gems/2.1.0/extensions/x86-mingw32/2.1.0/eve
ntmachine-1.0.7/gem_make.out

[huazhu60400]

c:\Ruby21>gem install cf-uaac -r --source http://rubygems.org/ Fetching: cf-uaa-lib-3.1.0.gem (100%) Successfully installed cf-uaa-lib-3.1.0 Fetching: highline-1.6.21.gem (100%) Successfully installed highline-1.6.21 Fetching: eventmachine-1.0.7.gem (100%) Temporarily enhancing PATH to include DevKit... Building native extensions. This could take a while... ERROR: Error installing cf-uaac: ERROR: Failed to build gem native extension. C:/Ruby21/bin/ruby.exe extconf.rb checking for main() in -lssl... *** extconf.rb failed *** Could not create Makefile due to 60400.com 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=C:/Ruby21/bin/ruby --with-openssl-config --without-openssl-config --with-pkg-config --without-pkg-config --with-ssl-dir --without-ssl-dir --with-ssl-include --without-ssl-include=${ssl-dir}/include --with-ssl-lib --without-ssl-lib=${ssl-dir}/lib --with-ssllib --without-ssllib