CI: windows: make test with -j1

diff --git a/tests/quick_tests/run.cmake b/tests/quick_tests/run.cmake
index 4fd17f765c85327ca87677fe5c6500383fa09a2c..b3e2bb3e4dde976f709d09528b2b1fb8757a2ff5 100644 (file)
--- a/tests/quick_tests/run.cmake
+++ b/tests/quick_tests/run.cmake
@@ -30,7 +30,7 @@ ENDIF()
 # "obj_boost_system_debug.dir\Debug\obj_boos.4A356C5C.tlog\obj_boost_system_debug.lastbuildstate". The
 # process cannot access the file '...' because it is being used by another
 # process.
-IF(CMAKE_SYSTEM_NAME MATCHES "Windows")
+IF(CMAKE_HOST_SYSTEM_NAME MATCHES "Windows")
   SET(_n_processors "1")
 ENDIF()