diff -up qtbase-everywhere-src-5.15.2/src/corelib/global/qendian.h.QTBUG-90395 qtbase-everywhere-src-5.15.2/src/corelib/global/qendian.h
--- qtbase-everywhere-src-5.15.2/src/corelib/global/qendian.h.QTBUG-90395	2020-10-27 03:02:11.000000000 -0500
+++ qtbase-everywhere-src-5.15.2/src/corelib/global/qendian.h	2021-02-06 16:36:27.072105717 -0600
@@ -44,6 +44,8 @@
 #include <QtCore/qfloat16.h>
 #include <QtCore/qglobal.h>
 
+#include <limits>
+
 // include stdlib.h and hope that it defines __GLIBC__ for glibc-based systems
 #include <stdlib.h>
 #include <string.h>
diff -up qtbase-everywhere-src-5.15.2/src/corelib/global/qfloat16.h.QTBUG-90395 qtbase-everywhere-src-5.15.2/src/corelib/global/qfloat16.h
--- qtbase-everywhere-src-5.15.2/src/corelib/global/qfloat16.h.QTBUG-90395	2021-02-06 16:36:27.074105730 -0600
+++ qtbase-everywhere-src-5.15.2/src/corelib/global/qfloat16.h	2021-02-06 16:37:19.212440114 -0600
@@ -43,6 +43,7 @@
 
 #include <QtCore/qglobal.h>
 #include <QtCore/qmetatype.h>
+#include <limits>
 #include <string.h>
 
 #if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__AVX2__) && !defined(__F16C__)