From aaca3788fdac116a547375b76ea8a4fdea0cce17 Mon Sep 17 00:00:00 2001
From: Matthias Maier <tamiko@43-1.org>
Date: Sun, 11 Dec 2022 12:29:38 -0600
Subject: [PATCH] CMake: bugfix: do not pass an argument as environemt variable

This fixes the runscript invocation on windows configurations
---
 cmake/macros/macro_deal_ii_add_test.cmake | 5 ++---
 cmake/scripts/run_test.sh                 | 7 +++++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/cmake/macros/macro_deal_ii_add_test.cmake b/cmake/macros/macro_deal_ii_add_test.cmake
index 835e6a1bc9..73c3cd6af4 100644
--- a/cmake/macros/macro_deal_ii_add_test.cmake
+++ b/cmake/macros/macro_deal_ii_add_test.cmake
@@ -467,9 +467,8 @@ function(deal_ii_add_test _category _test_name _comparison_file)
       #
 
       add_custom_command(OUTPUT ${_test_directory}/output
-        COMMAND TEST_N_THREADS=${_n_threads}
-          ${BASH} ${DEAL_II_PATH}/${DEAL_II_SHARE_RELDIR}/scripts/run_test.sh
-          run "${_test_full}" ${_run_args}
+        COMMAND ${BASH} ${DEAL_II_PATH}/${DEAL_II_SHARE_RELDIR}/scripts/run_test.sh
+          run "${_test_full}" TEST_N_THREADS=${_n_threads} ${_run_args}
         COMMAND ${PERL_EXECUTABLE}
           -pi ${DEAL_II_PATH}/${DEAL_II_SHARE_RELDIR}/scripts/normalize.pl
           ${_test_directory}/output
diff --git a/cmake/scripts/run_test.sh b/cmake/scripts/run_test.sh
index c347497997..b3c58b6f49 100644
--- a/cmake/scripts/run_test.sh
+++ b/cmake/scripts/run_test.sh
@@ -53,6 +53,13 @@ case $STAGE in
     #    testsuite to explicitly set the number of threads in the header
     #    file tests.h.
     #
+
+    # Read in TEST_N_THREADS from command line:
+    if [[ $1 == TEST_N_THREADS=* ]]; then
+      TEST_N_THREADS="${1#TEST_N_THREADS=}"
+      shift
+    fi
+
     if [ "${TEST_N_THREADS:-0}" -ne 0 ]; then
       export DEAL_II_NUM_THREADS="${TEST_N_THREADS}"
       export TEST_N_THREADS
-- 
2.39.5