From e67c494cba7180066e73b9f6234d0b2129f1cdf5 Mon Sep 17 00:00:00 2001
From: Morris Hafner <mhafner@nvidia.com>
Date: Wed, 13 Nov 2024 17:01:13 +0000
Subject: [PATCH] Use old syntax for CMake's separate_arguments() to restore
 compatiblity with old CMake versions.

---
 cmake/EigenTesting.cmake | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cmake/EigenTesting.cmake b/cmake/EigenTesting.cmake
index f81c76d43..b37d1158b 100644
--- a/cmake/EigenTesting.cmake
+++ b/cmake/EigenTesting.cmake
@@ -81,8 +81,9 @@ macro(ei_add_test_internal testname testname_with_suffix)
 
   # let the user pass flags.
   if(${ARGC} GREATER 2)
-    separate_arguments(compile_options NATIVE_COMMAND ${ARGV2})
-    ei_add_target_property(${targetname} COMPILE_FLAGS "${ARGV2}")
+    set(compile_options "${ARGV2}")
+    separate_arguments(compile_options)
+    ei_add_target_property(${targetname} COMPILE_FLAGS ${compile_options})
   endif()
 
   if(EIGEN_TEST_CUSTOM_CXX_FLAGS)