Add Bazel windows support

.github/workflows/amd64_windows_bazel.yml

@@ -0,0 +1,33 @@
+# ref: https://github.com/actions/runner-images
+name: amd64 Windows Bazel
+
+on:
+  push:
+  pull_request:
+  schedule:
+    # min hours day(month) month day(week)
+    - cron: '0 0 7,22 * *'
+
+jobs:
+  # Building using the github runner environement directly.
+  bazel:
+    runs-on: windows-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: Install Bazel
+        run: |
+          choco install bazel
+          bazel version
+      - name: Build
+        run: >
+          bazel build
+          -c opt
+          --subcommands=true
+          ...
+      - name: Test
+        run: >
+          bazel test
+          -c opt
+          --test_output=errors
+          ...

BUILD.bazel

@@ -13,18 +13,21 @@ exports_files(["LICENSE"])
 
 INCLUDES = ["include"]
 
-C99_FLAGS = [
-    "-Wall",
-    "-Wextra",
-    "-Wmissing-declarations",
-    "-Wmissing-prototypes",
-    "-Wno-implicit-fallthrough",
-    "-Wno-unused-function",
-    "-Wold-style-definition",
-    "-Wshadow",
-    "-Wsign-compare",
-    "-Wstrict-prototypes",
-]
+C99_FLAGS = select({
+    "@platforms//os:windows": [],
+    "//conditions:default": [
+        "-Wall",
+        "-Wextra",
+        "-Wmissing-declarations",
+        "-Wmissing-prototypes",
+        "-Wno-implicit-fallthrough",
+        "-Wno-unused-function",
+        "-Wold-style-definition",
+        "-Wshadow",
+        "-Wsign-compare",
+        "-Wstrict-prototypes",
+    ],
+})
 
 cc_library(
     name = "cpu_features_macros",
@@ -390,6 +393,10 @@ cc_library(
     srcs = ["ndk_compat/cpu-features.c"],
     copts = C99_FLAGS,
     includes = INCLUDES + ["ndk_compat"],
+    target_compatible_with = select({
+        "@platforms//os:windows": ["@platforms//:incompatible"],
+        "//conditions:default": [],
+    }),
     textual_hdrs = ["ndk_compat/cpu-features.h"],
     deps = [
         ":cpu_features_macros",