1 files changed, 73 insertions, 0 deletions
diff --git a/dev-python/xarray/files/xarray-0.19.0-riscv_tests_datetime.patch b/dev-python/xarray/files/xarray-0.19.0-riscv_tests_datetime.patch
new file mode 100644
index 000000000000..1f356e95b561
--- /dev/null
+++ b/dev-python/xarray/files/xarray-0.19.0-riscv_tests_datetime.patch
@@ -0,0 +1,73 @@
+These tests are x86{_64}-centric because they rely on a specific result of
+casting a float64 NaN to int64, which is undefined in the C standard.
+See https://github.com/numpy/numpy/issues/8325 for details.
+
+--- a/xarray/tests/__init__.py
++++ b/xarray/tests/__init__.py
+@@ -40,6 +40,12 @@
+ )
+ 
+ 
++riscv_xfail = pytest.mark.xfail(
++    "riscv" in platform.machine(),
++    reason="expected failure on RISC-V",
++)
++
++
+ def _importorskip(modname, minversion=None):
+     try:
+         mod = importlib.import_module(modname)
+--- a/xarray/tests/test_backends.py
++++ b/xarray/tests/test_backends.py
+@@ -71,6 +71,7 @@
+     requires_scipy,
+     requires_scipy_or_netCDF4,
+     requires_zarr,
++    riscv_xfail,
+ )
+ from .test_coding_times import (
+     _ALL_CALENDARS,
+@@ -492,6 +493,7 @@
+             assert actual["x"].encoding["_Encoding"] == "ascii"
+ 
+     @arm_xfail
++    @riscv_xfail
+     def test_roundtrip_numpy_datetime_data(self):
+         times = pd.to_datetime(["2000-01-01", "2000-01-02", "NaT"])
+         expected = Dataset({"t": ("t", times), "t0": times[0]})
+--- a/xarray/tests/test_coding_times.py
++++ b/xarray/tests/test_coding_times.py
+@@ -36,6 +36,7 @@
+     requires_cftime,
+     requires_cftime_1_4_1,
+     requires_dask,
++    riscv_xfail,
+ )
+ 
+ _NON_STANDARD_CALENDARS_SET = {
+@@ -466,6 +467,7 @@
+ 
+ 
+ @arm_xfail
++@riscv_xfail
+ @requires_cftime
+ @pytest.mark.parametrize(
+     ["num_dates", "units", "expected_list"],
+--- a/xarray/tests/test_duck_array_ops.py
++++ b/xarray/tests/test_duck_array_ops.py
+@@ -38,6 +38,7 @@
+     requires_bottleneck,
+     requires_cftime,
+     requires_dask,
++    riscv_xfail,
+ )
+ 
+ 
+@@ -280,6 +281,7 @@
+ 
+ 
+ @arm_xfail
++@riscv_xfail
+ @pytest.mark.filterwarnings("ignore::RuntimeWarning")
+ @pytest.mark.parametrize("dask", [False, True] if has_dask else [False])
+ def test_datetime_mean(dask):