Compiler directives deleted from DPR file
Question
How do I make a compiler directive stay in the DPR file?
Description
I need to turn off this compiler warning because I don't intend to make my library compatible with C++.
If I put the compiler directive in the PAS file that generates the warning, it is ignored.
If I put it in DPK files, the IDE will delete it every time I change the Project Options (we know that at when changing the options, the DPK file gets partially rebuilt).
To reproduce it
- Start Delphi 10.4,
- start a new Delphi package (File main menu)
- add {$WARN DUPLICATE_CTOR_DTOR OFF} after {$IMPLICITBUILD ON}.
- now open Project Options, change something and close the dialog. The directive will be gone.
Scope
This issue does not explicitly concentrates on "DUPLICATE_CTOR_DTOR" but in general on user-added "text" in DPR files.
Go to Project>Options>Building>Delphi Compiler>Hints and Warnings, select the platform and configuration, then set that warning to False. And Save. (Depending on your version of Delphi, the exact location of this setting might be different.)
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