Hi.I've tried install ruby-debug-ide and base on rubymine and linux (mandriva) and always I receibe this message: Building native extensions. This could take a while. ERROR: Error installing ruby-debug-ide: ERROR: Failed to build gem native extension. /usr/bin/ruby extconf.rb mkmf.rb can't find header files for ruby at /usr/lib/ruby/ruby.h Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/linecache-0.43 for inspection. Results logged to /usr/lib/ruby/gems/1.8/gems/linecache-0.43/ext/gem_make.out I've installed gcc for c compilation, and build-essential autoconf, I've see a solution but it only works on windows, please help, I need debug my apps.thanks I use ruby 1.8, ruby 1.9 mandriva 2010, rubymine 2.0. I might have the same problem, only I am running on Windows 7. I'm a new user to Ruby and RM.

I'm using RM 2.02 and Ruby 1.8.7 (but I've tried in Ruby 1.9 too. When I attempt to run the debugger I get an error that I must install ruby-debug-base. I go to the RM gem installer and have tried to install both versions that show up in the thousands of gems list, 0.10.3 and 0.11.23, I get the same error for each: Following gems were not installed: ruby-debug-base (0.10.3): Error installing ruby-debug-base: ERROR: Failed to build gem native extension. C:/Ruby187/bin/ruby.exe extconf.rb creating Makefile make 'make' is not recognized as an internal or external command, operable program or batch file. Gem files will remain installed in C:/Ruby187/lib/ruby/gems/1.8/gems/linecache-0.43 for inspection.

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Results logged to C:/Ruby187/lib/ruby/gems/1.8/gems/linecache-0.43/ext/gem_make.out Building native extensions. This could take a while.

Note 'make' is usually a unix command but I'm running on windows 7. Based on the previous message to this thread, I looked for a gem name 'ruby-dev' in the long list and couldn't find it. I don't really care what version of ruby, rails, RM, debug gems etc I use, I just want one consistent set of them that work together and actually let me debug some simple ruby/rails apps on my Windows 7 machine. If you just always posted on the RM website what a consistent set of versions of components and where to get them, for what should be a very ordinary set of features that all developers need., that would save a lot of configuration hours. First, I want to develop an app using Rails, which as far as I can tell, most Ruby programmers want to do.

I quote from, 'We recommend Ruby 1.8.7 for use with Rails.' Given how difficult it is to get even the 'recommended' configurations in Ruby working, I shudder to think of the problems the unrecommended versions (such as 1.9 as documented above) would cause so this is NOT a solution to debugging most Ruby apps. Furthermore the complex directions are an indication that this techique is, well at best, difficult to implement. I want to actually develop an application, not debug the configuration of my IDE.

Just take a look at the description at The first instruction is 'install DevkIt'. Umm, as in software development kit, as in IDE? But this is what Rubymine claims to be. Next, in order to install it, I have to use something other than the Ruby standard 'gem' mechanism. Isn't this is whatt gems are for?

Anything that can't be installed with a gem ought to be 'built in' from the beginning. Furthermore, I have to get some new weird '7zip' program to even unpack it that I never heard of. And follow yet some other set of instructions that aren't even included in this 6 step list.

Then I have to actually edit the contents of some files. What program do I use to debug the contiguration of the installation of the debugger? On, I quote: ' Ruby Debugger: full support for Rails applications debugging and easy-to-use interface' For the sake of clarity, let's call this what it is, an out and out lie. By being dishonest, Jetbrains wastes a lot of time of people trying to figure out what language and tools to use. You hurt your company by damaging your own credibility.