Fix Android build warnings

3rdparty/openexr/CMakeLists.txt

@@ -37,7 +37,7 @@ endif()
 source_group("Include" FILES ${lib_hdrs} )
 source_group("Src" FILES ${lib_srcs})
 
-ocv_warnings_disable(CMAKE_CXX_FLAGS -Wshadow -Wunused -Wsign-compare -Wundef -Wmissing-declarations -Wuninitialized -Wswitch -Wparentheses)
+ocv_warnings_disable(CMAKE_CXX_FLAGS -Wshadow -Wunused -Wsign-compare -Wundef -Wmissing-declarations -Wuninitialized -Wswitch -Wparentheses -Warray-bounds -Wextra)
 ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4018 /wd4099 /wd4100 /wd4101 /wd4127 /wd4189 /wd4245 /wd4305 /wd4389 /wd4512 /wd4701 /wd4702 /wd4706 /wd4800) # vs2005
 ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4334) # vs2005 Win64
 ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4244) # vs2008

modules/features2d/src/brisk.cpp

@@ -1182,7 +1182,7 @@ BriskScaleSpace::refine3D(const int layer, const int x_layer, const int y_layer,
   const int center = thisLayer.getAgastScore(x_layer, y_layer, 1);
 
   // check and get above maximum:
-  float delta_x_above, delta_y_above;
+  float delta_x_above = 0, delta_y_above = 0;
   float max_above = getScoreMaxAbove(layer, x_layer, y_layer, center, ismax, delta_x_above, delta_y_above);
 
   if (!ismax)

modules/ts/include/opencv2/ts/ts.hpp

@@ -12,7 +12,7 @@
 
 #ifdef ANDROID
 # include <android/api-level.h>
-# define GTEST_HAS_CLONE (__ANDROID_API__ > 7 && __arm__)
+# define GTEST_HAS_CLONE (__ANDROID_API__ > 7 && !defined __i386__)
 # define GTEST_HAS_POSIX_RE (__ANDROID_API__ > 7)
 # if defined _GLIBCXX_USE_WCHAR_T && _GLIBCXX_USE_WCHAR_T
 #  define GTEST_HAS_STD_WSTRING 1