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У меня есть Ruby версия ruby 1.9.2p0 (2010-08-18) [i386-mingw32] установлена в Windows7. и gem vesion 1.3.7Ошибка Ruby gem mysql2
Когда я попытался установить драгоценный камень mysql, он показывает ошибку Failed to build gem native extension, почему это так? мой MySQL версии 5.1.36 (WampServer)
E:\RubyApps\test_app2>gem install mysql2
Building native extensions. This could take a while...
ERROR: Error installing mysql2:
ERROR: Failed to build gem native extension.
E:/Ruby192/bin/ruby.exe extconf.rb
checking for rb_thread_blocking_region()... *** 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=E:/Ruby192/bin/ruby
E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:368:in `try_do': The complier failed to genera
te an executable file. (RuntimeError)
You have to install development tools first.
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:435:in `try_link0'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:440:in `try_link'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:552:in `try_func'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:797:in `block in have_func'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:693:in `block in checking_for'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels) in postp
one'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:280:in `block in postpone'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for'
from E:/Ruby192/lib/ruby/1.9.1/mkmf.rb:796:in `have_func'
from extconf.rb:9:in `<main>'
Gem files will remain installed in E:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0.
2.3 for inspection.
Results logged to E:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0.2.3/ext/mysql2/ge
m_make.out
E:\RubyApps\test_app2>
, если вы все еще есть проблемы (я сделал) драгоценный камень установить mysql2 -v 0.2.6 –