Install ninja on windows only

mayeut · mayeut · commit 5ffd3df846b6 · 2021-07-03T21:03:20.000+02:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -19,3 +19,11 @@ manylinux-i686-image = "manylinux1"
 
 [tool.cibuildwheel.macos.environment]
 MACOSX_DEPLOYMENT_TARGET = "10.9"
+
+[tool.cibuildwheel.windows]
+before-all = [
+    "pipx install cmake==3.20.4",
+    "cmake --version",
+    "pipx install ninja==1.10.0.post2",
+    "ninja --version",
+]
