Windows

[user1234]

On Thursday, 28 July 2022 at 10:14:09 UTC, pshka wrote:
> I've just tried to `dub build` a 3 year old project on Windows 
> with the latest DMD :(
> What does the below message mean?
> ```
> Performing "debug" build using ldc2 for x86_64.
> derelict-util 2.1.0: target for configuration "library" is up 
> to date.
> derelict-ft 1.0.2: target for configuration "library" is up to 
> date.
> cairod 0.0.1-alpha.3+1.10.2: building configuration 
> "static-custom-windows"...
> C:\Users\pshka\AppData\Local\dub\packages\windows-headers-1.0.3\windows-headers\source\windows\httpext.d(70,15): Error: valid linkage identifiers are `D`, `C`, `C++`, `Objective-C`, `Windows`, `System`
> C:\Users\pshka\AppData\Local\dub\packages\windows-headers-1.0.3\windows-headers\source\windows\httpext.d(72,15): Error: valid linkage identifiers are `D`, `C`, `C++`, `Objective-C`, `Windows`, `System`
> C:\Users\pshka\AppData\Local\dub\packages\windows-headers-1.0.3\windows-headers\source\windows\httpext.d(73,15): Error: valid linkage identifiers are `D`, `C`, `C++`, `Objective-C`, `Windows`, `System`
> C:\Users\pshka\AppData\Local\dub\packages\windows-headers-1.0.3\windows-headers\source\windows\httpext.d(74,15): Error: valid linkage identifiers are `D`, `C`, `C++`, `Objective-C`, `Windows`, `System`
> C:\Users\pshka\AppData\Local\dub\packages\windows-headers-1.0.3\windows-headers\source\windows\httpext.d(79,15): Error: valid linkage identifiers are `D`, `C`, `C++`, `Objective-C`, `Windows`, `System`
> C:\Users\pshka\AppData\Local\dub\packages\windows-headers-1.0.3\windows-headers\source\windows\httpext.d(110,15): Error: valid linkage identifiers are `D`, `C`, `C++`, `Objective-C`, `Windows`, `System`
> C:\Users\pshka\AppData\Local\dub\packages\windows-headers-1.0.3\windows-headers\source\windows\mapi.d(125,15): Error: valid linkage identifiers are `D`, `C`, `C++`, `Objective-C`, `Windows`, `System`
> C:\Users\pshka\AppData\Local\dub\packages\windows-headers-1.0.3\windows-headers\source\windows\winnetwk.d(296,15): Error: valid linkage identifiers are `D`, `C`, `C++`, `Objective-C`, `Windows`, `System`
> ldc2 failed with exit code 1.
> ```

Try `dub upgrade` or manually set the dependency version of 
`windows-headers` to `1.0.4`.

`1.0.3` use `extern(Pascal)` which does not exist anymore (and in 
all cases was `wrong` here).