ruby-on-rails – 在Windows上安装Puma错误

Temporarily enhancing PATH to include DevKit...
Building native extensions with: '--with-opt-dir=c:openssl'
This could take a while...
ERROR:  Error installing puma:
        ERROR: Failed to build gem native extension.

    C:/RailsInstaller/Ruby2.1.0/bin/ruby.exe extconf.rb --with-opt-dir=c:openssl
checking for BIO_read() in -lcrypto... no
checking for BIO_read() in -llibeay32... no
*** 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
    --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:/RailsInstaller/Ruby2.1.0/bin/ruby
    --with-puma_http11-dir
    --without-puma_http11-dir
    --with-puma_http11-include
    --without-puma_http11-include=${puma_http11-dir}/include
    --with-puma_http11-lib
    --without-puma_http11-lib=${puma_http11-dir}/lib
    --with-cryptolib
    --without-cryptolib
    --with-libeay32lib
    --without-libeay32lib

extconf failed,exit code 1

Gem files will remain installed in C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1
.0/gems/puma-2.11.2 for inspection.
Results logged to C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/extensions/x86
-mingw32/2.1.0/puma-2.11.2/gem_make.out

尝试了几个解决方案来尝试解决问题,但他们都以某种方式结束了这个错误.

我在我的计算机上安装了Openssl并使用它来做一些SSL证书的东西,所以我肯定确定它已正确安装.

有人能帮忙吗？