Index: files/patch-modules__ts__include__opencv2__ts__ts_gtest.h
===================================================================
--- files/patch-modules__ts__include__opencv2__ts__ts_gtest.h	(revision 329462)
+++ files/patch-modules__ts__include__opencv2__ts__ts_gtest.h	(working copy)
@@ -21,7 +21,7 @@
  // <tr1/functional>.  Hence the following #define is a hack to prevent
  // <tr1/functional> from being included.
  #define _TR1_FUNCTIONAL 1
-+#if __has_include(<tuple>)
++#if defined(__clang__) && __has_include(<tuple>)
 +#include <tuple>
 +namespace gtest {
 +	using ::std::tuple;
@@ -36,7 +36,7 @@
                          // <tr1/functional> if he chooses to.
  #else
 -#include <tr1/tuple>  // NOLINT
-+#if __has_include(<tuple>)
++#if defined(__clang__) && __has_include(<tuple>)
 +#include <tuple>
 +namespace gtest {
 +	using ::std::tuple;