mmuetzel added a comment.

In D126291#3555848 <https://reviews.llvm.org/D126291#3555848>, @awarzynski 
wrote:

> Nice!
>
> In D126291#3555835 <https://reviews.llvm.org/D126291#3555835>, @mmuetzel 
> wrote:
>
>> Is this still a configuration error?
>
> No :) Clearly the following `if` block from `tools::addFortranRuntimeLibs` is 
> not entered:
>
>   if (TC.getTriple().isKnownWindowsMSVCEnvironment()) {
>       CmdArgs.push_back("Fortran_main.lib");
>       CmdArgs.push_back("FortranRuntime.lib");
>       CmdArgs.push_back("FortranDecimal.lib");
>     } 
>
> The missing symbols reported by the linker are from thes Fortran runtime 
> libraries listed above. These libs should be included in the linker 
> invocation generated by `flang-new`. I'm assuming that this makes sense - 
> given the definition of isKnownWindowsMSVCEnvironment 
> <https://github.com/llvm/llvm-project/blob/5fee1799f4d8da59c251e2d04172fc2f387cbe54/llvm/include/llvm/ADT/Triple.h#L576-L578>.
>  If you use isOSWindows 
> <https://github.com/llvm/llvm-project/blob/5fee1799f4d8da59c251e2d04172fc2f387cbe54/llvm/include/llvm/ADT/Triple.h#L571-L573>
>  instead then it should work, right?

These libraries are named like this in MinGW:

  $ ls ./pkg/lib/*Fortran*
  ./pkg/lib/libFortran_main.a   ./pkg/lib/libFortranDecimal.a   
./pkg/lib/libFortranLower.a   ./pkg/lib/libFortranRuntime.a
  ./pkg/lib/libFortranCommon.a  ./pkg/lib/libFortranEvaluate.a  
./pkg/lib/libFortranParser.a  ./pkg/lib/libFortranSemantics.a


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D126291/new/

https://reviews.llvm.org/D126291

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