From: Prog Rammer Date: 2012-12-17T22:14:36+09:00 Subject: gem install error $ gem install ruby-debug-base19x 1 ↵ Building native extensions. This could take a while... ERROR: Error installing ruby-debug-base19x: ERROR: Failed to build gem native extension. /home/proggrammer/.rvm/rubies/ruby-1.9.3-p286/bin/ruby extconf.rb checking for rb_method_entry_t.body in method.h... no checking for vm_core.h... no /home/proggrammer/.rvm/gems/ruby-1.9.3-p286/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:24:19: error: conflicting types for ‘rb_iseq_compile_with_option’ /home/proggrammer/.rvm/rubies/ruby-1.9.3-p286/include/ruby-1.9.1/ruby-1.9.3-p286/vm_core.h:505:7: note: previous declaration of ‘rb_iseq_compile_with_option’ was here make: *** [ruby_debug.o] Error 1 Gem files will remain installed in /home/proggrammer/.rvm/gems/ruby-1.9.3-p286/gems/ruby-debug-base19x-0.11.29 for inspection. Results logged to /home/proggrammer/.rvm/gems/ruby-1.9.3-p286/gems/ruby-debug-base19x-0.11.29/ext/ruby_debug/gem_make.out -- Posted via http://www.ruby-forum.com/.