summaryrefslogtreecommitdiffstats
path: root/mozglue/tests/TestPrintf.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'mozglue/tests/TestPrintf.cpp')
-rw-r--r--mozglue/tests/TestPrintf.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/mozglue/tests/TestPrintf.cpp b/mozglue/tests/TestPrintf.cpp
index 5f6f9e2005..f0605160b8 100644
--- a/mozglue/tests/TestPrintf.cpp
+++ b/mozglue/tests/TestPrintf.cpp
@@ -3,6 +3,10 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+// Newer versions of the Windows SDK define NAN differently than before,
+// which causes our tests to fail. Force the use of the old definition.
+#define _UCRT_NEGATIVE_NAN 1
+
#include "mozilla/Printf.h"
#include <cfloat>