if(NOT ANDROID)

message("cpufeatures is ANDROID project")

endif()

set(CPUFEATURES_ROOT "${CMAKE_CURRENT_SOURCE_DIR}" CACHE PATH "Android cpufeatures project sources (for example, <android-ndk>/sources/android/cpufeatures)")

set(CPUFEATURES_INCLUDE_DIRS ${CPUFEATURES_ROOT} CACHE INTERNAL "")

set(CPUFEATURES_LIBRARIES cpufeatures CACHE INTERNAL "")

if(NOT DEFINED CPUFEATURES_SOURCES)

set(CPUFEATURES_SOURCES ${CPUFEATURES_ROOT}/cpu-features.c ${CPUFEATURES_ROOT}/cpu-features.h)

endif()

include_directories(${CPUFEATURES_INCLUDE_DIRS})

add_library(cpufeatures STATIC ${CPUFEATURES_SOURCES})

set_target_properties(cpufeatures

PROPERTIES OUTPUT_NAME cpufeatures

DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"

COMPILE_PDB_NAME cpufeatures

COMPILE_PDB_NAME_DEBUG "cpufeatures${OPENCV_DEBUG_POSTFIX}"

ARCHIVE_OUTPUT_DIRECTORY ${3P_LIBRARY_OUTPUT_PATH}

)

if(ENABLE_SOLUTION_FOLDERS)

set_target_properties(cpufeatures PROPERTIES FOLDER "3rdparty")

endif()

if(NOT BUILD_SHARED_LIBS)

ocv_install_target(cpufeatures EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)

endif()

Copyright (C) 2016 The Android Open Source Project

Licensed under the Apache License, Version 2.0 (the "License");

you may not use this file except in compliance with the License.

You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software

distributed under the License is distributed on an "AS IS" BASIS,

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

See the License for the specific language governing permissions and

limitations under the License.

The Android NDK provides a small library named cpufeatures that your app can use at runtime to detect the target device's CPU family and the optional features it supports.

It is designed to work as-is on all official Android platform versions.