opencv/android/android-cmake/CMakeLists.txt

91 lines
3.3 KiB
CMake

# ----------------------------------------------------------------------------
# Root CMake file for Android Opencv Build
#
# To build with cmake
# $ mkdir build
# $ cd build
# $ cmake ..
# $ make
# Make sure to set the path in the cache for the crystax ndk available
# here:
# http://www.crystax.net/android/ndk-r4.php
#
# - initial version August 2010 Ethan Rublee ethan.ruble@gmail.com
#
# ----------------------------------------------------------------------------
project(android-opencv-shared)
cmake_minimum_required(VERSION 2.8)
set(opencv_root "$ENV{HOME}/opencv" CACHE PATH "opencv source root directory")
if(NOT EXISTS ${opencv_root})
message(FATAL_ERROR "Cannot find your opencv root directory!" )
endif()
set(android_opencv_mk "${opencv_root}/android/build/android-opencv.mk" cache FILE "the generated android-opencv.mk file")
if(NOT EXISTS ${android_opencv_mk})
message(FATAL_ERROR "please locate the cmake generated android-opencv.mk file, usually in the android/build directory...")
endif()
set(ANDROID true)
file(GLOB module_includes "${opencv_root}/modules/[a-zA-Z]*")
list(REMOVE_ITEM module_includes ${opencv_root}/modules/CMakeLists.txt)
set(module_includes ${module_includes} ${CMAKE_SOURCE_DIR}/../3rdparty $(OPENCV_BUILD_ROOT) )
foreach(mdir ${module_includes})
string(REPLACE "${opencv_root}" "$(OPENCV_ROOT)" n_f ${mdir})
set(android_module_include_dirs "${android_module_include_dirs} ${n_f}/include")
endforeach()
configure_file("${CMAKE_SOURCE_DIR}/Android.mk.master.in" "${CMAKE_BINARY_DIR}/Android.mk")
configure_file("${CMAKE_SOURCE_DIR}/Application.mk.in" "${CMAKE_BINARY_DIR}/Application.mk")
configure_file("${CMAKE_SOURCE_DIR}/AndroidManifest.xml.in" "${CMAKE_BINARY_DIR}/AndroidManifest.xml")
configure_file("${CMAKE_SOURCE_DIR}/default.properties.in" "${CMAKE_BINARY_DIR}/default.properties")
set(NDK_ROOT "$ENV{HOME}/android-ndk-r4-crystax" CACHE STRING "the crystax ndk directory")
if(NOT EXISTS ${NDK_ROOT})
message(FATAL_ERROR "Cannot find your ndk root directory! please download and
unzip the android ndk from crystax to the directory specified by NDK_ROOT
You may download the crystax ndk from:
http://www.crystax.net/android/ndk-r4.php" )
endif()
set(J "2" CACHE STRING "how many processes for make -j <J>")
ADD_CUSTOM_COMMAND(
OUTPUT android-ndk
DEPENDS ${CMAKE_BINARY_DIR}/Android.mk
COMMAND "${NDK_ROOT}/ndk-build"
ARGS --directory=${CMAKE_BINARY_DIR} NDK_APPLICATION_MK=Application.mk -j${J}
)
ADD_CUSTOM_COMMAND(
OUTPUT android-swig
DEPENDS ${SWIG_MAIN}
COMMAND "swig"
ARGS --directory=${CMAKE_BINARY_DIR} NDK_APPLICATION_MK=Application.mk -j${J}
)
configure_file("${CMAKE_SOURCE_DIR}/android-opencv.mk.in" "${CMAKE_BINARY_DIR}/android-opencv.mk")
ADD_CUSTOM_TARGET(ndk ALL echo
DEPENDS android-ndk
)
message(STATUS "Make will use make -j${J} - for speeding up build - you may change this in the cache")
message(STATUS "The NDK directory is ${NDK_ROOT}")
message(STATUS "OpenCV source root is ${opencv_root}")
message(STATUS "just run make - and grab some coffee or tea ;)")
message(STATUS "The android opencv libs will be located in ${CMAKE_BINARY_DIR}/obj/local/armeabi*/")