Forum: Ruby 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

On 12/17/12, Prog Rammer <lists@ruby-forum.com> wrote:
> 
/home/proggrammer/.rvm/gems/ruby-1.9.3-p286/gems/ruby_core_source-0.1.5/lib/ruby_core_source.rb:39:
> 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

see 
http://stackoverflow.com/questions/8835522/unable-...

I have Windows 7.   I am trying to get the gem installed for MySQL
Server 5.5
So, I get the zip file for gem from Brian Mario’s repository on github
mysql2, extract it in the new mysql2-0.3.12b5 folder and start the
procedure as follows.  As seen below, I get the error “file 'lib' not
found” at the end.  I tried many times, got the same problem.  Has
anyone have a solution to this?

EDZIBA-PC/c/railsinstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/mysql2-0.3.12b5
$ gem build mysql2.gemspec
fatal: Not a git repository (or any of the parent directories): .git
fatal: Not a git repository (or any of the parent directories): .git
WARNING:  no description specified
  Successfully built RubyGem
  Name: mysql2
  Version: 0.3.12b5
  File: mysql2-0.3.12b5.gem

EDZIBA-PC/c/railsinstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/mysql2-0.3.12b5
$ subst X: "C:\Program Files\MySQL\MySQL Server 5.5"
Drive already SUBSTed

EDZIBA-PC/c/railsinstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/mysql2-0.3.12b5
$ gem install mysql2-0.3.12b5.gem --platform=ruby -- --with-mysql-dir=X:
--with-mysql-lib=X:\lib
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
Successfully installed mysql2-0.3.12b5
1 gem installed
Installing ri documentation for mysql2-0.3.12b5...
file 'lib' not found
Installing RDoc documentation for mysql2-0.3.12b5...
file 'lib' not found