From 0b0effe13c5b3dd89e77c37f21e450584921853c Mon Sep 17 00:00:00 2001
From: Pierre Marchand <pierre.jimthefrench@gmail.com>
Date: Fri, 8 Sep 2023 15:12:40 +0000
Subject: [PATCH] update

---
 cmake_modules/FindMPI4PY.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmake_modules/FindMPI4PY.cmake b/cmake_modules/FindMPI4PY.cmake
index 051c048..6ac4af6 100644
--- a/cmake_modules/FindMPI4PY.cmake
+++ b/cmake_modules/FindMPI4PY.cmake
@@ -7,6 +7,9 @@
 # https://compacc.fnal.gov/projects/repositories/entry/synergia2/CMake/FindMPI4PY.cmake?rev=c147eafb60728606af4fe7b1b161a660df142e9a
 
 if(NOT MPI4PY_INCLUDE_DIR)
+    if (NOT PYTHON_EXECUTABLE)
+        set(PYTHON_EXECUTABLE "python3")
+    endif(NOT PYTHON_EXECUTABLE)
     execute_process(
         COMMAND "${PYTHON_EXECUTABLE}" "-c" "import mpi4py; print(mpi4py.get_include())"
         WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}