fix: windows build

Author: HolgerNahrstaedt

.github/workflows/wheels_win_64.yml

@@ -23,14 +23,18 @@ jobs:
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel
 
+      # Build the C library first
       - name: Build lib 
         run: python setup.py build_lib 
 
+      # This will now create platform-specific wheels with compiled CFFI extensions
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
         env:
           # Override pyproject.toml settings if needed
           CIBW_BUILD_VERBOSITY: 1
+          # Ensure CFFI can find the static library during compilation
+          CIBW_ENVIRONMENT: "SMPT_LIB_DIR=./lib SMPT_INCLUDE_DIR=./smpt/ScienceMode_Library/include"
 
       - uses: actions/upload-artifact@v4
         with:

setup.py

@@ -380,8 +380,8 @@ def copy_headers_to_package():
         },
     )
 else:
-    # Full setup for normal installation using static CFFI definitions
-    # Note: cffi_modules is removed since we now use static definitions
+    # Full setup for normal installation with CFFI compilation
+    # This will create platform-specific wheels with compiled extensions
     setup(
         name="sciencemode-cffi",
         packages=["sciencemode"],
@@ -397,7 +397,9 @@ def copy_headers_to_package():
             "Development Status :: 3 - Alpha",
             "Programming Language :: Python :: 3",
         ],
-        # Only cffi is required at runtime now (no pycparser needed)
+        # CFFI compilation - this creates platform-specific wheels
+        cffi_modules=["sciencemode/_cffi.py:ffi"],
+        setup_requires=["cffi>=1.0.0"],
         install_requires=["cffi>=1.0.0"],
         cmdclass={
             "build_lib": BuildLibraryCommand,