Merge branch 4.x

samples/android/tutorial-2-mixedprocessing/build.gradle.in

@@ -14,10 +14,11 @@ android {
             cmake {
                 if (gradle.opencv_source == "sdk_path") {
                     arguments "-DOpenCV_DIR=" + project(':opencv').projectDir + "/@ANDROID_PROJECT_JNI_PATH@",
+                              "-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON",
                               "-DOPENCV_FROM_SDK=TRUE"@OPENCV_ANDROID_CMAKE_EXTRA_ARGS@
-
                 } else {
                     arguments "-DOPENCV_VERSION_MAJOR=@OPENCV_VERSION_MAJOR@",
+                              "-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON",
                               "-DOPENCV_FROM_SDK=FALSE"@OPENCV_ANDROID_CMAKE_EXTRA_ARGS@
                 }
                 targets "mixed_sample"

samples/android/tutorial-2-mixedprocessing/jni/CMakeLists.txt

@@ -14,6 +14,14 @@ endif()
 message(STATUS "ANDROID_ABI=${ANDROID_ABI}")
 find_package(OpenCV REQUIRED COMPONENTS ${ANDROID_OPENCV_COMPONENTS})
 
+# For 16k pages support with NDK prior 27
+# Details: https://developer.android.com/guide/practices/page-sizes?hl=en
+if(ANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES)
+  if(ANDROID_ABI STREQUAL arm64-v8a OR ANDROID_ABI STREQUAL x86_64)
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,max-page-size=16384")
+  endif()
+endif()
+
 file(GLOB srcs *.cpp *.c)
 file(GLOB hdrs *.hpp *.h)