From 29b5195b87719db945c49ed88e72fddfb1411d29 Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Fri, 11 Oct 2024 09:46:08 -0700
Subject: [PATCH] `setup.py`: Hint pybind11 `FindPythonLibsNew`

pybind11 interestingly still takes the all-caps `PYTHON_EXECUTABLE`
as a hint to find the Python location.

Signed-off-by: Axel Huebl <axel.huebl@plasma.ninja>
---
 setup.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/setup.py b/setup.py
index 480089744..f7518166c 100644
--- a/setup.py
+++ b/setup.py
@@ -78,7 +78,10 @@ def build_extension(self, ext):
             "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=" + os.path.join(extdir, "impactx"),
             "-DCMAKE_VERBOSE_MAKEFILE=ON",
             "-DCMAKE_PYTHON_OUTPUT_DIRECTORY=" + extdir,
+            # CMake FindPython.cmake
             "-DPython_EXECUTABLE=" + sys.executable,
+            # pybind11 FindPythonLibsNew.cmake
+            "-DPYTHON_EXECUTABLE=" + sys.executable,
             ## variants
             "-DImpactX_COMPUTE=" + ImpactX_COMPUTE,
             "-DImpactX_FFT:BOOL=" + ImpactX_FFT,