I am new to Ruby and have tried and failed several times installing
mysql2 gem on my windows 7 OS. I checked several forums for solutions
but still couldn't get that installed. can someone help my out please?
below is the error:
c:\>gem install mysql2
Building native extensions. This could take a while.
ERROR: Error installing mysql2:
ERROR: Failed to build gem native extension.
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=C:/Ruby192/bin/ruby
C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:368:in `try_do': The complier failed
to generate an executable fil
e. (RuntimeError)
You have to install development tools first.
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:435:in `try_link0'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:440:in `try_link'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:552:in `try_func'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:797:in `block in
have_func'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:693:in `block in
checking_for'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels)
in postpone'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:280:in `block in
postpone'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for'
from C:/Ruby192/lib/ruby/1.9.1/mkmf.rb:796:in `have_func'
from extconf.rb:9:in `<main>'
Gem files will remain installed in
C:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0.2.4 for inspection.
Results logged to
C:/Ruby192/lib/ruby/gems/1.9.1/gems/mysql2-0.2.4/ext/mysql2/gem_make.out
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