Can't install ruby-debug-base19x gem

When I try to install ruby-debug-base19x gem for debug my application using the RubyMine IDE I received the below error message, can anybody help me? I'm using Mac OS X 10.7.4 ``` /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb checking for rb_method_entry_t.body in method.h... no checking for vm_core.h... no /Users/danilobarsotti/.rvm/gems/ruby-1.9.3-p194/gems/ruby_core_source-0.1.5/lib/ruby_core_source.rb:39: Use RbConfig instead of obsolete and deprecated Config. checking for rb_method_entry_t.body in method.h... no checking for vm_core.h... yes checking for iseq.h... yes checking for insns.inc... yes checking for insns_info.inc... yes checking for eval_intern.h... yes creating Makefile make compiling breakpoint.c compiling ruby_debug.c ruby_debug.c:24: error: conflicting types for ‘rb_iseq_compile_with_option’ /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/include/ruby-1.9.1/ruby-1.9.3-p194/vm_core.h:505: error: previous declaration of ‘rb_iseq_compile_with_option’ was here ruby_debug.c: In function ‘call_at_line_unprotected’: ruby_debug.c:474: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_debug.c: In function ‘filename_cmp’: ruby_debug.c:538: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_debug.c:539: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_debug.c: In function ‘optional_frame_position’: ruby_debug.c:1695: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_debug.c: In function ‘do_jump’: ruby_debug.c:2310: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_debug.c: In function ‘context_jump’: ruby_debug.c:2378: warning: comparison between signed and unsigned ruby_debug.c:2392: warning: comparison between signed and unsigned make: *** [ruby_debug.o] Error 1 ``` EDIT When I try to install the gem using the "RubyMine Gem Tools" (inside RubyMine IDE) I received the message below: Error running Development: myproject: Failed to Install Gems. Following gems were not installed: /Applications/RubyMine.app/rb/gems/ruby-debug-base19x-0.11.30.pre10.gem: Error installing ruby-debug-base19x-0.11.30.pre10.gem: ERROR: Failed to build gem native extension. /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb checking for rb_method_entry_t.called_id in method.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 --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=/Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/bin/ruby --with-ruby-dir --without-ruby-dir --with-ruby-include --without-ruby-include=${ruby-dir}/include --with-ruby-lib --without-ruby-lib=${ruby-dir}/lib /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:491:in `block in try_compile' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:443:in `with_werror' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:491:in `try_compile' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:1002:in `block in have_struct_member' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:254:in `open' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:254:in `open' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:280:in `postpone' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:1001:in `have_struct_member' from extconf.rb:6:in`block in ' from extconf.rb:31:in `call' from extconf.rb:31:in`block in ' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:527:in `with_cppflags' from extconf.rb:30:in` ' Gem files will remain installed in /Users/danilobarsotti/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19x-0.11.30.pre10 for inspection. Results logged to /Users/danilobarsotti/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19x-0.11.30.pre10/ext/ruby_debug/gem_make.out /Users/danilobarsotti/Library/Preferences/RubyMine40/rb/linecache19-0.5.13.gem: Error installing linecache19-0.5.13.gem: ERROR: Failed to build gem native extension. /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb checking for vm_core.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 --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=/Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/bin/ruby --with-ruby-dir --without-ruby-dir --with-ruby-include --without-ruby-include=${ruby-dir}/include --with-ruby-lib --without-ruby-lib=${ruby-dir}/lib /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:931:in `block in have_header' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:254:in `open' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:254:in `open' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:280:in `postpone' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for' from /Users/danilobarsotti/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:930:in `have_header' from extconf.rb:15:in`block in ' from /Users/danilobarsotti/.rvm/gems/ruby-1.9.3-p194/gems/ruby_core_source-0.1.5/lib/ruby_core_source.rb:18:in `call' from /Users/danilobarsotti/.rvm/gems/ruby-1.9.3-p194/gems/ruby_core_source-0.1.5/lib/ruby_core_source.rb:18:in `create_makefile_with_core' from extconf.rb:19:in ` ' Gem files will remain installed in /Users/danilobarsotti/.rvm/gems/ruby-1.9.3-p194/gems/linecache19-0.5.13 for inspection. Results logged to /Users/danilobarsotti/.rvm/gems/ruby-1.9.3-p194/gems/linecache19-0.5.13/ext/trace_nums/gem_make.out