[Issue 21083] Linker Failed on MacOS 10.15.3

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21083

Mathias LANG <pro.mathias.lang at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |pro.mathias.lang at gmail.com

--- Comment #1 from Mathias LANG <pro.mathias.lang at gmail.com> ---
What code did you use ? This is a pretty standard error message for a missing
`main` function.

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