From 898174f22ed61b3a1929db2e6ec07ed4d329819d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Robert?= <cr52@protonmail.com>
Date: Thu, 11 Apr 2024 16:03:59 +0200
Subject: [PATCH] BLD: reintroduce compatibility shim for compiling against
 numpy 1.x

---
 erfa/ufunc.c.templ | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/erfa/ufunc.c.templ b/erfa/ufunc.c.templ
index b9d5e2f..ba2fc2b 100644
--- a/erfa/ufunc.c.templ
+++ b/erfa/ufunc.c.templ
@@ -17,6 +17,11 @@
 #include "erfa.h"
 #include "erfaextra.h"
 
+// Backported NumPy 2 API (can be removed if numpy 2 is required)
+#if NPY_ABI_VERSION < 0x02000000
+#define PyDataType_ELSIZE(descr) ((descr)->elsize)
+#endif
+
 // On gcc<10 we can run into the following:
 //
 //   error: dereferencing pointer to incomplete type 'PyTypeObject'