diff -aur Qt-4.8.7-master/src/corelib/arch/qatomic_arm.h ../build/extbld/third_party/qt/core/Qt-4.8.7-master/src/corelib/arch/qatomic_arm.h
--- Qt-4.8.7-master/src/corelib/arch/qatomic_arm.h	2013-06-07 09:16:52.000000000 +0400
+++ ../build/extbld/third_party/qt/core/Qt-4.8.7-master/src/corelib/arch/qatomic_arm.h	2019-06-20 13:33:05.173660182 +0300
@@ -47,7 +47,8 @@
 #if defined(__ARM_ARCH_7__) \
     || defined(__ARM_ARCH_7A__) \
     || defined(__ARM_ARCH_7R__) \
-    || defined(__ARM_ARCH_7M__)
+    || defined(__ARM_ARCH_7M__) \
+    || defined(__ARM_ARCH_7EM__)
 # define QT_ARCH_ARMV7
 QT_BEGIN_INCLUDE_HEADER
 # include "QtCore/qatomic_armv7.h"
