# \[patch\] building Microsoft.Scripting.Core on Mono

**URL:** <https://www.ruby-forum.com/t/patch-building-microsoft-scripting-core-on-mono/192024>\
**Category:** IronRuby\
**Created:** [July 22, 2010, 2:58pm UTC](https://www.ruby-forum.com/t/patch-building-microsoft-scripting-core-on-mono/192024 "2010-07-22T14:58:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Jb\_Evain](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/67e7ee/32.png) [@Jb\_Evain](https://www.ruby-forum.com/u/Jb_Evain)\
**Post date:** [July 22, 2010, 2:58pm UTC](https://www.ruby-forum.com/t/patch-building-microsoft-scripting-core-on-mono/192024/1 "2010-07-22T14:58:40Z")

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Hey,

In the same vein of the patch to build Microsoft.Scripting.Metadata on  
Mono, the attached patch shows unused variables, triggering a build  
failure as Microsoft.Scripting.Core is being built with warnaserror+.