From 1e0be34bbacbf8398f03e574717b6f9081e743a8 Mon Sep 17 00:00:00 2001
From: Ian McInerney <i.mcinerney17@imperial.ac.uk>
Date: Wed, 19 Jun 2024 16:38:02 +0100
Subject: [PATCH] Specify numpy versions properly to build for both 2.0 and 1.0

---
 pyproject.toml | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 7ce4790..38c9c13 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,4 +1,12 @@
 [build-system]
-requires = ["setuptools>=49.5.0", "pybind11", "cmake"]
+requires = [
+    # Building with numpy 2.0 is compatible with numpy 1.x, but it
+    # is only available on Python 3.9+
+    "numpy >= 2.0.0; python_version > '3.8'",
+    "oldest-supported-numpy; python_version <= '3.8'",
+    "setuptools>=49.5.0",
+    "pybind11",
+    "cmake"
+]
 build-backend = "setuptools.build_meta"