From 76fef90d17de0130af701e69b58d220900711b21 Mon Sep 17 00:00:00 2001
From: Julien <julien.doerner@rub.de>
Date: Thu, 22 Feb 2024 17:22:40 +0100
Subject: [PATCH] add python_install_package as ccmake option, adapt example
 test

---
 .github/workflows/test_examples.yml | 2 +-
 CMakeLists.txt                      | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test_examples.yml b/.github/workflows/test_examples.yml
index 96e7e0eb8..ac5621e72 100644
--- a/.github/workflows/test_examples.yml
+++ b/.github/workflows/test_examples.yml
@@ -33,7 +33,7 @@ jobs:
         run: |
           mkdir build
           cd build
-          cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/.local -DENABLE_PYTHON=True -DPython_EXECUTABLE=${{ matrix.config.py }} -DENABLE_TESTING=Off -DENABLE_SWIG_BUILTIN=${{ matrix.config.swig_builtin }} -DSIMD_EXTENSIONS=native
+          cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/.local -DENABLE_PYTHON=True -DPython_EXECUTABLE=${{ matrix.config.py }} -DENABLE_TESTING=Off -DENABLE_SWIG_BUILTIN=${{ matrix.config.swig_builtin }} -DSIMD_EXTENSIONS=native -DPython_INSTALL_PACKAGE_DIR=/home/runner/.local/
       - name: Build CRPropa
         run: |
           cd build
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 06f1a1aac..0b0082f32 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -466,9 +466,7 @@ if(ENABLE_PYTHON AND Python_FOUND)
 
 
   #  use Python_INSTALL_PACKAGE_DIR if provided; otherwise, install in Python_SITELIB 
-  if(NOT DEFINED Python_INSTALL_PACKAGE_DIR)
-    set(Python_INSTALL_PACKAGE_DIR "${Python_SITELIB}")
-  endif(NOT DEFINED Python_INSTALL_PACKAGE_DIR)
+  set(Python_INSTALL_PACKAGE_DIR "${Python_SITELIB}" CACHE PATH "folder in which the python package is installed")
   message(STATUS "  package install directory: ${Python_INSTALL_PACKAGE_DIR}")