nim-windows.sh

$ cat hello.nim
echo "hello world"

$ nim c -d:mingw hello.nim
Hint: used config file '/home/oatman/.choosenim/toolchains/nim-1.2.0/config/nim.cfg' [Conf]
Hint: system [Processing]
Hint: widestrs [Processing]
Hint: io [Processing]
Hint: hello [Processing]
Hint:  [Link]
Hint: 14211 LOC; 0.144 sec; 16MiB peakmem; Debug build; proj: /home/oatman/projects/hello.nim; out: /home/oatman/projects/hello.exe [SuccessX]

$ ls -al hello.exe
-rwxrwxr-x 1 oatman oatman 397K May 18 15:15 hello.exe*

$ wine hello.exe
hello world