From eeb63039709f6c46bce734f70e76063576260b2e Mon Sep 17 00:00:00 2001
From: Justin Carpentier <justin.carpentier@inria.fr>
Date: Mon, 22 Jan 2024 10:02:15 +0100
Subject: [PATCH] python: add FIND_SCIPY

---
 python.cmake | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/python.cmake b/python.cmake
index baaabd4a4..8b4441e55 100644
--- a/python.cmake
+++ b/python.cmake
@@ -1,4 +1,4 @@
-# Copyright (C) 2008-2021 LAAS-CNRS, JRL AIST-CNRS, INRIA.
+# Copyright (C) 2008-2024 LAAS-CNRS, JRL AIST-CNRS, INRIA.
 #
 # This program is free software: you can redistribute it and/or modify it under
 # the terms of the GNU General Public License as published by the Free Software
@@ -529,4 +529,30 @@ macro(FIND_NUMPY)
   endif()
 endmacro()
 
+# .rst: .. command:: FIND_SCIPY()
+#
+# Detect scipy module.
+#
+macro(FIND_SCIPY)
+  # Detect numpy.
+  message(STATUS "Checking for SciPy")
+  execute_process(
+    COMMAND "${PYTHON_EXECUTABLE}" "-c" "import scipy; print (True)"
+    OUTPUT_VARIABLE IS_SCIPY
+    ERROR_QUIET)
+
+  if(NOT IS_SCIPY)
+    message(FATAL_ERROR "Failed to detect scipy")
+  else()
+    # Retrive SCIPY_VERSION
+    execute_process(
+      COMMAND "${PYTHON_EXECUTABLE}" "-c"
+      "import scipy; print (scipy.__version__)"
+      OUTPUT_VARIABLE SCIPY_VERSION
+      ERROR_QUIET)
+    string(REGEX REPLACE "\n$" "" SCIPY_VERSION "${SCIPY_VERSION}")
+    message(STATUS "  SCIPY_VERSION=${SCIPY_VERSION}")
+  endif()
+endmacro()
+
 include(${CMAKE_CURRENT_LIST_DIR}/python-helpers.cmake)