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digitalmars.D.learn - Error: unrecognized switch '--DRT-oncycle=print' => where is switch

reply Timothee Cour via Digitalmars-d-learn <digitalmars-d-learn puremagic.com> writes:
Getting this:

```
Deprecation 16211 warning:
A cycle has been detected in your program that was undetected prior to DMD
2.072. This program will continue, but will not operate when using DMD 2.073
to compile. Use runtime option --DRT-oncycle=print to see the cycle details.
```

Where is ` --DRT-oncycle=print` defined? can't find it even on DMD64 D
Compiler v2.075.0-devel-c3ddfaa-dirty

And adding the switch results in:
Error: unrecognized switch '--DRT-oncycle=print'
May 15
parent Steven Schveighoffer <schveiguy yahoo.com> writes:
On 5/15/17 6:37 PM, Timothee Cour via Digitalmars-d-learn wrote:
 Getting this:

 ```
 Deprecation 16211 warning:
 A cycle has been detected in your program that was undetected prior to DMD
 2.072. This program will continue, but will not operate when using DMD 2.073
 to compile. Use runtime option --DRT-oncycle=print to see the cycle details.
 ```

 Where is ` --DRT-oncycle=print` defined? can't find it even on DMD64 D
 Compiler v2.075.0-devel-c3ddfaa-dirty

 And adding the switch results in:
 Error: unrecognized switch '--DRT-oncycle=print'
You pass it to your actual program, not the compiler. It's a D Runtime (i.e. DRT) switch. -Steve
May 15