armclang.exe: error: Unable to determine the current toolkit. Check that ARM_TOOL_VARIANT is set correctly.

here i am using cmd prompt for executing How to i resolve this problem.
armclang.exe: error: Unable to determine the current toolkit. Check that ARM_TOOL_VARIANT is set correctly.

here i am using cmd prompt for executing How to i resolve this problem.
Startup.s: Error: A9580E: ARM7 is not available with the current toolkit and license. Check that ARM_TOOL_VARIANT is set correctly.

Build started: Project: first *** Using Compiler 'V5.06 update 6 (build 750)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin' Build target 'Target 1' assembling Startup.s... Startup.s: Error: A9580E: ARM7 is not...
Startup.s: Error: A9580E: ARM7 is not available with the current toolkit and license. Check that ARM_TOOL_VARIANT is set correctly.

Build started: Project: first *** Using Compiler 'V5.06 update 6 (build 750)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin' Build target 'Target 1' assembling Startup.s... Startup.s: Error: A9580E: ARM7 is not...
Unable to determine the current toolkit

Hi I have installed the ds5 toolchain from scratch in my linux host. I am able to fire up eclipse cleanly and create a hello world using arm compiler 6 successfully. But, when I create a project...