From 9a8d5c1328e8a111c7af7a073e052a28da218ec0 Mon Sep 17 00:00:00 2001
From: Joerg Wunsch <j@uriah.heep.sax.de>
Date: Sun, 7 Apr 2024 09:55:15 +0200
Subject: [PATCH] Replace PYTHONLIBS by PYTHON3 in CMakeLists.txt

https://cmake.org/cmake/help/latest/module/FindPython3.html
---
 CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 499afebc..e7bbc67b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -250,9 +250,11 @@ endif()
 # Find SWIG
 find_package(SWIG 4.0 COMPONENTS python)
 if(SWIG_FOUND)
-  find_package(PythonLibs REQUIRED)
-  if(PYTHONLIBS_FOUND)
+  find_package(Python3 COMPONENTS Interpreter Development)
+  if(PYTHON3_FOUND)
     set(HAVE_SWIG 1)
+  else()
+    message(STATUS "Found SWIG but no Python3 header/library; cannot use SWIG")
   endif()
 endif()