Thanks for your reply. I did the same , copying the project into workspace and then building it but still no luck. One more thing is, i tried installing the SDK on another PC .There the SDK works fine and also i was able to compile the sample codes and create binary out of it.
Can you try using creating a new workspace (make sure that the workspace is not in any write protect location)? As previously mentioned make sure to select "Copy project into workspace" while importing the project.
I tried creating new workspace and copying project into it while importing new sample ,but still the same error pops up.
I'm not OP, but I had this same issue and was able to resolve it.
The problem is not with the build script failing to find "cyfx_gcc_startup.S", but rather it failed to find "echo".
I resolved the issue by installing cygwin and adding "C"\cygwin64\bin" to my System Path.
This did require restarting EZ USB Suite