[Issue 23092] New: Cannot cross-compile from Posix to Windows

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23092

          Issue ID: 23092
           Summary: Cannot cross-compile from Posix to Windows
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: kinke at gmx.net

Using v2.100.0-rc.1 on Linux:

$ dmd -c bla.d -target=x86_64-pc-windows-msvc
Error: `-fPIC` and `-fPIE` cannot be used when targetting windows
Error: must supply `-mscrtlib` manually when cross compiling to windows

I assume the `-fPIC` comes from the default config file.

I'm explicitly compiling only with -c, not linking, so having to specify
-mscrtlib makes little sense to me.

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