Fix Windows build errors

.github/workflows/build_wheels.yml

@@ -24,18 +24,29 @@ jobs:
           submodules: 'true'
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.11
+          python-version: 3.12
+
+      - name: Get number of cores on Windows
+        id: get_num_cores
+        shell: python
+        run: |
+          from os import environ, cpu_count
+          num_cpus = cpu_count()
+          output_file = environ['GITHUB_OUTPUT']
+          with open(output_file, "a", encoding="utf-8") as output_stream:
+              output_stream.write(f"count={num_cpus}\n")
 
       - name: Build wheels on Windows
         run: pipx run cibuildwheel --output-dir wheelhouse
         env:
           CIBW_ENVIRONMENT: >
             PYBAMMSOLVERS_USE_VCPKG=ON
             VCPKG_ROOT_DIR=C:\vcpkg
-            VCPKG_DEFAULT_TRIPLET=x64-windows-static-md
+            VCPKG_DEFAULT_TRIPLET=x64-windows-release
             VCPKG_FEATURE_FLAGS=manifests,registries
             CMAKE_GENERATOR="Visual Studio 17 2022"
             CMAKE_GENERATOR_PLATFORM=x64
+            CMAKE_BUILD_PARALLEL_LEVEL=${{ steps.get_num_cores.outputs.count }}
           CIBW_ARCHS: AMD64
           CIBW_BEFORE_BUILD: python -m pip install setuptools delvewheel # skip CasADi and CMake
           CIBW_REPAIR_WHEEL_COMMAND: delvewheel repair --add-path C:/Windows/System32 -w {dest_dir} {wheel}

vcpkg-configuration.json

@@ -7,13 +7,15 @@
     {
       "kind": "git",
       "repository": "https://github.com/pybamm-team/sundials-vcpkg-registry.git",
-      "baseline": "13d432fcf5da8591bb6cb2d46be9d6acf39cd02b",
+      "baseline": "5aa082a28ddca7052bd865ba8ef4e6c207a25955",
+      "reference": "5aa082a28ddca7052bd865ba8ef4e6c207a25955",
       "packages": ["sundials"]
     },
     {
       "kind": "git",
       "repository": "https://github.com/pybamm-team/casadi-vcpkg-registry.git",
-      "baseline": "e4b797736790af90de505e0296b07e87719cb1a6",
+      "baseline": "33394a058d32d8ad5c6f7afbeb1a2a770a23b19d",
+      "reference": "33394a058d32d8ad5c6f7afbeb1a2a770a23b19d",
       "packages": ["casadi"]
     }
   ]

x64-windows-release.cmake

@@ -0,0 +1,4 @@
+set(VCPKG_TARGET_ARCHITECTURE x64)
+set(VCPKG_CRT_LINKAGE dynamic)
+set(VCPKG_LIBRARY_LINKAGE static)
+set(VCPKG_BUILD_TYPE release)