Reenable windows target for CI builds

Author: JanLuca

.github/workflows/release.yml

@@ -27,16 +27,16 @@ jobs:
     runs-on: ${{ matrix.runs-on }}
     strategy:
       matrix:
-        os: [ linux-intel, linux-arm, macos-arm ]
+        os: [ linux-intel, linux-arm, macos-arm, windows ]
         include:
         - archs: auto64
           platform: auto
         - os: linux-intel
           runs-on: ubuntu-latest
         - os: linux-arm
           runs-on: ubuntu-24.04-arm
-        # - os: windows
-        #   runs-on: windows-latest
+        - os: windows
+          runs-on: windows-latest
         - os: macos-arm
           # macos-14+ (including latest) are ARM64 runners
           runs-on: macos-latest

CMakeLists.txt

@@ -19,9 +19,16 @@ execute_process(
 find_package(nanobind CONFIG REQUIRED)
 
 # Find jaxlib include dir
-execute_process(
-  COMMAND /usr/bin/env python3 -c "import inspect; import jaxlib; import pathlib; p = pathlib.Path(inspect.getfile(jaxlib)); print(p.parent / 'include')"
-  OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE jaxlib_INCLUDE_DIR)
+IF (WIN32)
+  execute_process(
+    COMMAND python -c "import inspect; import jaxlib; import pathlib; p = pathlib.Path(inspect.getfile(jaxlib)); print(p.parent / 'include')"
+    OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE jaxlib_INCLUDE_DIR)
+ELSE()
+  execute_process(
+    COMMAND /usr/bin/env python3 -c "import inspect; import jaxlib; import pathlib; p = pathlib.Path(inspect.getfile(jaxlib)); print(p.parent / 'include')"
+    OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE jaxlib_INCLUDE_DIR)
+ENDIF()
+
 
 # We are now ready to compile the actual extension module
 nanobind_add_module(