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ARMCLANG: "No Tools.ini found" reported by Linker


Information in this knowledgebase article applies to:

  • Keil MDK 5.20
  • Arm Compiler 6.4

SYMPTOM

I have installed Keil MDK 5.20 with Arm Compiler 6.4 selected.

At building my project, the Linker reports:

.\Obj\prj.axf:error:Failed to check out a license.Keil Lic.error: No TOOLS.ini found

CAUSE

This is a Linker issue. It is triggered by selecting the Link-Time Optimization Option at the C/C++ (AC6) tab of Options for Target.

RESOLUTION

Turn off Link-Time Optimization.

Note: This is a known defect, fixed since Arm Compiler 6.5.

MORE INFORMATION

Last Reviewed: Friday, February 5, 2021


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