Eventmachine install error


R

Ris Ris

Hi!
I get error, when i try to install eventmachine.

C:\>gem install eventmachine
Building native extensions. This could take a while...
ERROR: Error installing eventmachine:
ERROR: Failed to build gem native extension.

C:/Ruby191/bin/ruby.exe extconf.rb
checking for rb_trap_immediate in ruby.h,rubysig.h... *** 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:/Ruby191/bin/ruby
C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:364:in `try_do': The complier failed
to generate an executable file. (RuntimeError)
You have to install development tools first.
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:427:in `try_compile'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:545:in `try_var'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:793:in `block in
have_var'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:670:in `block in
checking_for'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:276:in `block (2 levels)
in postpone'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:250:in `open'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:276:in `block in
postpone'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:250:in `open'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:272:in `postpone'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:669:in `checking_for'
from C:/Ruby191/lib/ruby/1.9.1/mkmf.rb:792:in `have_var'
from extconf.rb:16:in `<main>'


Gem files will remain installed in
C:/Ruby191/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10 for inspection.
Results logged to
C:/Ruby191/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10/ext/gem_make.out

Help me please!
 
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