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मेरे पास रूबी संस्करण रूबी 1.9.2p0 (2010-08-18) [i386-mingw32] Windows7 में स्थापित है। और मणि vesion 1.3.7रूबी मणि mysql2 त्रुटि स्थापित करें
जब मैंने mysql मणि स्थापित करने का प्रयास किया, तो यह Failed to build gem native extension त्रुटि दिखा रहा है, यह क्यों है? मेरा mysql संस्करण 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>
कोशिश कर सकते हैं अगर आप अभी भी समस्या है (मैंने किया) मणि स्थापित mysql2 -v 0.2.6 –