attemping to fix windows

.github/workflows/build_windows.yml

@@ -23,11 +23,21 @@ jobs:
         python -m pip install --upgrade pip
         pip install setuptools wheel twine numpy
 
+    - name: Install Visual C++ Build Tools
+      uses: microsoft/[email protected]
+
     - name: Build wheel
       run: |
         python setup.py bdist_wheel
       env:
         PYTHONPATH: ${{ env.pythonLocation }}
+        DISTUTILS_USE_SDK: "1"
+        MSSdk: "1"
+
+    - name: Debug output
+      run: |
+        dir /s build
+        type build\temp.win-amd64-cpython-311\Release\gdtw\gdtwcpp.cp311-win_amd64.lib
 
     - name: Publish Wheel
       env:

setup.py

@@ -31,17 +31,27 @@ def build_extensions(self):
     cc = None
     if "CC" in os.environ:
       cc = os.environ["CC"]
+
     elif sys.platform == 'darwin':
       cc = "g++"
       self.compiler.compiler_so.append('-stdlib=libc++')
       self.compiler.compiler.append('-stdlib=libc++')
       # self.compiler.compiler_so.append('-target x86_64-apple-macos')
       # self.compiler.compiler.append('-target x86_64-apple-macos')
+
     elif sys.platform == "linux":
       cc = "g++"
       if '-Wstrict-prototypes' in self.compiler.compiler_so:
         self.compiler.compiler_so.remove('-Wstrict-prototypes') # gets rid of a useless warning
       self.compiler.compiler_so.append('-Wno-maybe-uninitialized')
+
+    elif sys.platform == "win32":
+      cc = "cl"
+      self.compiler.compiler_so.extend(['/EHsc', '/O2', '/W3', '/GL', '/DNDEBUG', '/MD'])
+      # Ensure Visual C++ Build Tools are available
+      if not any(os.path.exists(os.path.join(path, 'cl.exe')) for path in os.environ['PATH'].split(os.pathsep)):
+          raise RuntimeError("Visual C++ Build Tools not found. Please ensure they are installed and properly set up.")
+
     if cc is not None:
       self.compiler.compiler_so[0] = cc
       self.compiler.compiler[0]    = cc