Keil Logo

ARMCC: Backslash '\' at path omitted with ARM Compiler V6.5 selected

Information in this knowledgebase article applies to:

  • MDK-ARM V5.20 with ARM Compiler V6.5


I am struggling with ARM Compiler V6.5. It seems that the compiler has problems with the ‘backslash’ character in paths, i.e. a blackslash is omitted. I see error messages like:

ArmClang.exe: error: no such file or directory: '......Source.c'

The problem does not appear with i.e. ARM Compiler V6.4.


Shortly after releasing MDK5.20, the command line generation for ArmClang has been changed so that back slashes are converted to forward slashes.


Just update your MDK-ARM installation to MDK-ARM V5.21 or later.


Last Reviewed: Sunday, September 18, 2016

Did this article provide the answer you needed?
Not Sure
  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.