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POCan't install eventmachine on mac osx snow leopard
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  1. POCan't install eventmachine on mac osx snow leopard
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    copied!<p>I've searched for this issue and kept finding resources related to PC. Every time I try to install the eventmachine gem I get this error:</p> <blockquote> <p>Building native extensions. This could take a while... ERROR: Error installing eventmachine: ERROR: Failed to build gem native extension.</p> <p>/usr/local/bin/ruby extconf.rb checking for rb_trap_immediate in ruby.h,rubysig.h... <strong>* extconf.rb failed *</strong> 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.</p> <p>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=/usr/local/bin/ruby /usr/local/lib/ruby/1.9.1/mkmf.rb:368:in <code>try_do': The complier failed to generate an executable file. (RuntimeError) You have to install development tools first. from /usr/local/lib/ruby/1.9.1/mkmf.rb:446:in </code>try_compile' from /usr/local/lib/ruby/1.9.1/mkmf.rb:568:in <code>try_var' from /usr/local/lib/ruby/1.9.1/mkmf.rb:816:in </code>block in have_var' from /usr/local/lib/ruby/1.9.1/mkmf.rb:693:in <code>block in checking_for' from /usr/local/lib/ruby/1.9.1/mkmf.rb:280:in </code>block (2 levels) in postpone' from /usr/local/lib/ruby/1.9.1/mkmf.rb:254:in <code>open' from /usr/local/lib/ruby/1.9.1/mkmf.rb:280:in </code>block in postpone' from /usr/local/lib/ruby/1.9.1/mkmf.rb:254:in <code>open' from /usr/local/lib/ruby/1.9.1/mkmf.rb:276:in </code>postpone' from /usr/local/lib/ruby/1.9.1/mkmf.rb:692:in <code>checking_for' from /usr/local/lib/ruby/1.9.1/mkmf.rb:815:in </code>have_var' from extconf.rb:16:in `'</p> <p>Gem files will remain installed in /usr/local/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10 for inspection. Results logged to /usr/local/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10/ext/gem_make.out</p> </blockquote> <p>It seems to break while building c extensions and I've tried various solutions like <a href="http://kleeschulte.blogspot.com/2010/03/mac-os-x-leopard-installing-ruby-gem.html" rel="nofollow">this one</a> but no luck.</p>
 

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