host_android.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f6a2da5310..10354312c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -643,7 +643,7 @@ if(UNIX)
   if(NOT APPLE)
     CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD)
     if(ANDROID)
-      set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m log)
+      set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m log z)
     elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD|NetBSD|DragonFly|OpenBSD|Haiku")
       set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} m pthread)
     elseif(EMSCRIPTEN)
diff --git a/cmake/OpenCVDetectPython.cmake b/cmake/OpenCVDetectPython.cmake
index 4ff02a77d3..db1305448f 100644
--- a/cmake/OpenCVDetectPython.cmake
+++ b/cmake/OpenCVDetectPython.cmake
@@ -123,7 +123,7 @@ if(NOT ${found})
   if(_found)
     set(_version_major_minor "${_version_major}.${_version_minor}")
 
-    if(NOT ANDROID AND NOT APPLE_FRAMEWORK)
+    if(TRUE)
       ocv_check_environment_variables(${library_env} ${include_dir_env})
       if(NOT ${${library_env}} STREQUAL "")
           set(PYTHON_LIBRARY "${${library_env}}")
@@ -175,7 +175,7 @@ if(NOT ${found})
       endif()
     endif()
 
-    if(NOT ANDROID AND NOT IOS)
+    if(TRUE)
       if(CMAKE_HOST_UNIX)
         execute_process(COMMAND ${_executable} -c "from distutils.sysconfig import *; print(get_python_lib())"
                         RESULT_VARIABLE _cvpy_process
@@ -240,7 +240,7 @@ if(NOT ${found})
                           OUTPUT_STRIP_TRAILING_WHITESPACE)
         endif()
       endif()
-    endif(NOT ANDROID AND NOT IOS)
+    endif()
   endif()
 
   # Export return values
@@ -285,6 +285,17 @@ find_python("${OPENCV_PYTHON3_VERSION}" "${MIN_VER_PYTHON3}" PYTHON3_LIBRARY PYT
     PYTHON3_INCLUDE_DIR PYTHON3_INCLUDE_DIR2 PYTHON3_PACKAGES_PATH
     PYTHON3_NUMPY_INCLUDE_DIRS PYTHON3_NUMPY_VERSION)
 
+message("DEBUG PYTHON3_LIBRARIES: ${PYTHON3_LIBRARIES}")
+message("DEBUG PYTHON3_INCLUDE_DIR: ${PYTHON3_INCLUDE_DIR}")
+string(COMPARE EQUAL "${PYTHON3_LIBRARIES}" "" result)
+if(result)
+	message(FATAL_ERROR "can not find PYTHON3_LIBRARIES")
+endif()
+
+string(COMPARE EQUAL "${PYTHON3_INCLUDE_DIR}" "" result)
+if(result)
+	message(FATAL_ERROR "can not find PYTHON3_INCLUDE_DIR")
+endif()
 
 if(PYTHON_DEFAULT_EXECUTABLE)
     set(PYTHON_DEFAULT_AVAILABLE "TRUE")
diff --git a/modules/python/CMakeLists.txt b/modules/python/CMakeLists.txt
index a51acf386e..5605a54a32 100644
--- a/modules/python/CMakeLists.txt
+++ b/modules/python/CMakeLists.txt
@@ -3,7 +3,7 @@
 # ----------------------------------------------------------------------------
 if(DEFINED OPENCV_INITIAL_PASS)  # OpenCV build
 
-if(ANDROID OR APPLE_FRAMEWORK OR WINRT)
+	if(False)
   ocv_module_disable_(python2)
   ocv_module_disable_(python3)
   return()