Compiling calculator example fails on windows 11 using GCC

[ghost]

logs:

C:\Users\faisal\Desktop\uing-main\examples\calculator>nimble install
  Verifying dependencies for calculator@0.1.0
      Info: Dependency on uing@>= 0.2.0 already satisfied
  Verifying dependencies for uing@0.8.0
 Installing nimkalc@any version
Downloading https://github.com/nocturn9x/nimkalc using git
  Verifying dependencies for nimkalc@0.2.8
 Installing nimkalc@0.2.8
   Success: nimkalc installed successfully.
 Installing calculator@0.1.0
   Building calculator/calculator.exe using c backend
C:\Users\faisal\nimcache\calculator_r\@m..@s..@s..@s..@s..@s..@s..@snim-1.6.14@slib@ssystem@sio.nim.c: In function ‘atmdotdotatsdotdotatsdotdotatsdotdotatsdotdotatsdotdotatsdotdotatsnimminus1dot6dot14atslibatssystematsiodotnim_Init000’:
C:\Users\faisal\nimcache\calculator_r\@m..@s..@s..@s..@s..@s..@s..@snim-1.6.14@slib@ssystem@sio.nim.c:60:23: error: ‘_O_BINARY’ undeclared (first use in this function); did you mean ‘O_BINARY’?
   60 |         _setmode(T1_, _O_BINARY);
      |                       ^~~~~~~~~
      |                       O_BINARY
C:\Users\faisal\nimcache\calculator_r\@m..@s..@s..@s..@s..@s..@s..@snim-1.6.14@slib@ssystem@sio.nim.c:60:23: note: each undeclared identifier is reported only once for each function it appears in
Error: execution of an external compiler program 'gcc.exe -c  -w -fmax-errors=3 -mno-ms-bitfields -DWIN32_LEAN_AND_MEAN -O3 -fno-strict-aliasing -fno-ident   -IC:\nim-1.6.14\lib -IC:\Users\faisal\Desktop\uing-main\examples\calculator\src -o C:\Users\faisal\nimcache\calculator_r\@m..@s..@s..@s..@s..@s..@s..@snim-1.6.14@slib@ssystem@sio.nim.c.o C:\Users\faisal\nimcache\calculator_r\@m..@s..@s..@s..@s..@s..@s..@snim-1.6.14@slib@ssystem@sio.nim.c' failed with exit code: 1


       Tip: 16 messages have been suppressed, use --verbose to show them.
     Error: Build failed for package: calculator
        ... Execution failed with exit code 1
        ... Command: C:\nim-1.6.14\bin\nim.exe c --colors:on --noNimblePath -d:release -d:NimblePkgVersion=0.1.0 --path:C:\Users\faisal\.nimble\pkgs\uing-0.8.0 --path:C:\Users\faisal\.nimble\pkgs\nimkalc-0.2.8 --hints:off -o:C:\Users\faisal\Desktop\uing-main\examples\calculator\calculator.exe C:\Users\faisal\Desktop\uing-main\examples\calculator\src\calculator.nim

[neroist]

Is this issue present in the other examples for you? Is gcc the only c compiler that results in this issue? This seems like an issue with Nim's code generation.

[ghost]

nvm i ended up figuring out that i borked my msys2 installation :)