#contents
*概要 [#cde5d063]
-OpenCV3.0.0がリリースされたので、[[ODROID-X2]]でビルドしてみた

*前提準備 [#xd29c6bd]
-[[ODROID-X2でOpenCV]]を参照

*OpenCVの3.0を取得する [#h4c4119e]
-まずはgitでcloneする
-[[3.0.0-beta>ODROID-X2でOpenCV 3.0-betaをビルド]]の時にgit clone してあったので、git fetch で最新版にする
-そして、3.0.0をチェックアウトする
 $ git fetch
 remote: Counting objects: 15301, done.
 remote: Compressing objects: 100% (36/36), done.
 remote: Total 15301 (delta 4056), reused 4048 (delta 4044), pack-reused 11220
 Receiving objects: 100% (15301/15301), 9.15 MiB | 2.35 MiB/s, done.
 Resolving deltas: 100% (9875/9875), completed with 1321 local objects.
 From https://github.com/Itseez/opencv
    047b1ca..707d10f  2.4        -> origin/2.4
    67635c6..00d9f69  2.4.10.x-prep -> origin/2.4.10.x-prep
    ba9bc2d..ff90f27  master     -> origin/master
  * [new tag]         2.4.10.2   -> 2.4.10.2
  * [new tag]         2.4.11     -> 2.4.11
  * [new tag]         3.0.0      -> 3.0.0
  * [new tag]         3.0.0-rc1  -> 3.0.0-rc1
 $ git checkout 3.0.0
 Previous HEAD position was ae4cb57... Set status to beta
 HEAD is now at c12243c... Version for 3.0.0 release

*OpenCV3.0のビルド [#b7a09d85]
-cmake してビルドする
#geshi(bash){{
cd opencv
cmake -DBUILD_EXAMPLES:BOOL=ON -DBUILD_TEST:BOOL=ON -DENABLE_NEON:BOOL=on
time make all
#======
#real	83m52.574s
#user	78m11.325s
#sys	2m59.930s
}}
-Arm Cortex-A9(1.7GHz)でざっくり83minぐらいかかった

*OpenCVビルド時のコンフィグなど [#f013a58b]
**cvconfig.h [#i0c2f21e]
#geshi(c++){{
/* OpenCV compiled as static or dynamic libs */
#define BUILD_SHARED_LIBS

/* Compile for 'real' NVIDIA GPU architectures */
#define CUDA_ARCH_BIN ""

/* Create PTX or BIN for 1.0 compute capability */
/* #undef CUDA_ARCH_BIN_OR_PTX_10 */

/* NVIDIA GPU features are used */
#define CUDA_ARCH_FEATURES ""

/* Compile for 'virtual' NVIDIA PTX architectures */
#define CUDA_ARCH_PTX ""

/* AVFoundation video libraries */
/* #undef HAVE_AVFOUNDATION */

/* V4L capturing support */
/* #undef HAVE_CAMV4L */

/* V4L2 capturing support */
#define HAVE_CAMV4L2

/* Carbon windowing environment */
/* #undef HAVE_CARBON */

/* AMD's Basic Linear Algebra Subprograms Library*/
/* #undef HAVE_CLAMDBLAS */

/* AMD's OpenCL Fast Fourier Transform Library*/
/* #undef HAVE_CLAMDFFT */

/* Clp support */
/* #undef HAVE_CLP */

/* Cocoa API */
/* #undef HAVE_COCOA */

/* C= */
/* #undef HAVE_CSTRIPES */

/* NVidia Cuda Basic Linear Algebra Subprograms (BLAS) API*/
/* #undef HAVE_CUBLAS */

/* NVidia Cuda Runtime API*/
/* #undef HAVE_CUDA */

/* NVidia Cuda Fast Fourier Transform (FFT) API*/
/* #undef HAVE_CUFFT */

/* IEEE1394 capturing support */
/* #undef HAVE_DC1394 */

/* IEEE1394 capturing support - libdc1394 v2.x */
#define HAVE_DC1394_2

/* DirectX */
/* #undef HAVE_DIRECTX */
/* #undef HAVE_D3D11 */
/* #undef HAVE_D3D10 */
/* #undef HAVE_D3D9 */

/* DirectShow Video Capture library */
/* #undef HAVE_DSHOW */

/* Eigen Matrix & Linear Algebra Library */
/* #undef HAVE_EIGEN */

/* FFMpeg video library */
#define HAVE_FFMPEG

/* ffmpeg's libswscale */
#define HAVE_FFMPEG_SWSCALE

/* ffmpeg in Gentoo */
#define HAVE_GENTOO_FFMPEG

/* Geospatial Data Abstraction Library */
/* #undef HAVE_GDAL */

/* GStreamer multimedia framework */
#define HAVE_GSTREAMER

/* GTK+ 2.0 Thread support */
#define HAVE_GTHREAD

/* GTK+ 2.x toolkit */
#define HAVE_GTK

/* Define to 1 if you have the <inttypes.h> header file. */
/* #undef HAVE_INTTYPES_H */

/* Intel Perceptual Computing SDK library */
/* #undef HAVE_INTELPERC */

/* Intel Integrated Performance Primitives */
/* #undef HAVE_IPP */
/* #undef HAVE_IPP_ICV_ONLY */

/* Intel IPP Async */
/* #undef HAVE_IPP_A */

/* JPEG-2000 codec */
#define HAVE_JASPER

/* IJG JPEG codec */
#define HAVE_JPEG

/* libpng/png.h needs to be included */
#define HAVE_LIBPNG_PNG_H

/* V4L/V4L2 capturing support via libv4l */
#define HAVE_LIBV4L

/* Microsoft Media Foundation Capture library */
/* #undef HAVE_MSMF */

/* NVidia Video Decoding API*/
/* #undef HAVE_NVCUVID */

/* OpenCL Support */
#define HAVE_OPENCL
/* #undef HAVE_OPENCL_STATIC */
/* #undef HAVE_OPENCL_SVM */

/* OpenEXR codec */
#define HAVE_OPENEXR

/* OpenGL support*/
/* #undef HAVE_OPENGL */

/* OpenNI library */
/* #undef HAVE_OPENNI */

/* OpenNI library */
/* #undef HAVE_OPENNI2 */

/* PNG codec */
#define HAVE_PNG

/* Qt support */
/* #undef HAVE_QT */

/* Qt OpenGL support */
/* #undef HAVE_QT_OPENGL */

/* QuickTime video libraries */
/* #undef HAVE_QUICKTIME */

/* QTKit video libraries */
/* #undef HAVE_QTKIT */

/* Intel Threading Building Blocks */
/* #undef HAVE_TBB */

/* TIFF codec */
#define HAVE_TIFF

/* Unicap video capture library */
/* #undef HAVE_UNICAP */

/* Video for Windows support */
/* #undef HAVE_VFW */

/* V4L2 capturing support in videoio.h */
/* #undef HAVE_VIDEOIO */

/* Win32 UI */
/* #undef HAVE_WIN32UI */

/* XIMEA camera support */
/* #undef HAVE_XIMEA */

/* Xine video library */
/* #undef HAVE_XINE */

/* Define if your processor stores words with the most significant byte
   first (like Motorola and SPARC, unlike Intel and VAX). */
/* #undef WORDS_BIGENDIAN */

/* gPhoto2 library */
/* #undef HAVE_GPHOTO2 */
}}

**version_string.inc [#m81a6ea4]
   videoio: Removing WinRT API headers by default
 
 General configuration for OpenCV 3.0.0 =====================================
   Version control:               3.0.0
 
   Platform:
     Host:                        Linux 3.8.13.23 armv7l
     CMake:                       2.8.12.2
     CMake generator:             Unix Makefiles
     CMake build tool:            /usr/bin/make
     Configuration:               Release
 
   C/C++:
     Built as dynamic libs?:      YES
     C++ Compiler:                /usr/bin/c++  (ver 4.8.2)
     C++ flags (Release):         -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wno-narrowing -Wno-delete-non-virtual-dtor -fdiagnostics-show-option -pthread -fomit-frame-pointer -mfpu=neon -ffunction-sections -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG  -DNDEBUG
     C++ flags (Debug):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wno-narrowing -Wno-delete-non-virtual-dtor -fdiagnostics-show-option -pthread -fomit-frame-pointer -mfpu=neon -ffunction-sections -fvisibility=hidden -fvisibility-inlines-hidden -g  -O0 -DDEBUG -D_DEBUG
     C Compiler:                  /usr/bin/cc
     C flags (Release):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wno-narrowing -fdiagnostics-show-option -pthread -fomit-frame-pointer -mfpu=neon -ffunction-sections -fvisibility=hidden -O3 -DNDEBUG  -DNDEBUG
     C flags (Debug):             -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wno-narrowing -fdiagnostics-show-option -pthread -fomit-frame-pointer -mfpu=neon -ffunction-sections -fvisibility=hidden -g  -O0 -DDEBUG -D_DEBUG
     Linker flags (Release):      
     Linker flags (Debug):        
     Precompiled headers:         YES
     Extra dependencies:          /usr/lib/arm-linux-gnueabihf/libwebp.so /usr/lib/arm-linux-gnueabihf/libpng.so /usr/lib/arm-linux-gnueabihf/libz.so /usr/lib/arm-linux-gnueabihf/libtiff.so /usr/lib/arm-linux-gnueabihf/libjasper.so /usr/lib/arm-linux-gnueabihf/libjpeg.so /usr/lib/arm-linux-gnueabihf/libImath.so /usr/lib/arm-linux-gnueabihf/libIlmImf.so /usr/lib/arm-linux-gnueabihf/libIex.so /usr/lib/arm-linux-gnueabihf/libHalf.so /usr/lib/arm-linux-gnueabihf/libIlmThread.so gtk-3 gdk-3 atk-1.0 gio-2.0 pangocairo-1.0 gdk_pixbuf-2.0 cairo-gobject pango-1.0 cairo gthread-2.0 gstvideo-1.0 gstapp-1.0 gstbase-1.0 gstriff-1.0 gstpbutils-1.0 gstreamer-1.0 gobject-2.0 glib-2.0 dc1394 v4l1 v4l2 avcodec avformat avutil swscale /usr/lib/arm-linux-gnueabihf/libbz2.so dl m pthread rt
     3rdparty dependencies:
 
   OpenCV modules:
     To be built:                 hal core flann imgproc ml photo video imgcodecs shape videoio highgui objdetect superres ts features2d calib3d stitching videostab
     Disabled:                    world
     Disabled by dependency:      -
     Unavailable:                 cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev java python2 python3 viz
 
   GUI: 
     QT:                          NO
     GTK+ 3.x:                    YES (ver 3.10.8)
     GThread :                    YES (ver 2.40.0)
     GtkGlExt:                    NO
     OpenGL support:              NO
     VTK support:                 NO
 
   Media I/O: 
     ZLib:                        /usr/lib/arm-linux-gnueabihf/libz.so (ver 1.2.8)
     JPEG:                        /usr/lib/arm-linux-gnueabihf/libjpeg.so (ver )
     WEBP:                        /usr/lib/arm-linux-gnueabihf/libwebp.so (ver encoder: 0x0202)
     PNG:                         /usr/lib/arm-linux-gnueabihf/libpng.so (ver 1.2.50)
     TIFF:                        /usr/lib/arm-linux-gnueabihf/libtiff.so (ver 42 - 4.0.3)
     JPEG 2000:                   /usr/lib/arm-linux-gnueabihf/libjasper.so (ver 1.900.1)
     OpenEXR:                     /usr/lib/arm-linux-gnueabihf/libImath.so /usr/lib/arm-linux-gnueabihf/libIlmImf.so /usr/lib/arm-linux-gnueabihf/libIex.so /usr/lib/arm-linux-gnueabihf/libHalf.so /usr/lib/arm-linux-gnueabihf/libIlmThread.so (ver 1.6.1)
     GDAL:                        NO
 
   Video I/O:
     DC1394 1.x:                  NO
     DC1394 2.x:                  YES (ver 2.2.1)
     FFMPEG:                      YES
       codec:                     YES (ver 54.35.0)
       format:                    YES (ver 54.20.4)
       util:                      YES (ver 52.3.0)
       swscale:                   YES (ver 2.1.1)
       resample:                  NO
       gentoo-style:              YES
     GStreamer:                   
       base:                      YES (ver 1.3.1.1)
       video:                     YES (ver 1.3.1.1)
       app:                       YES (ver 1.3.1.1)
       riff:                      YES (ver 1.3.1.1)
       pbutils:                   YES (ver 1.3.1.1)
     OpenNI:                      NO
     OpenNI PrimeSensor Modules:  NO
     OpenNI2:                     NO
     PvAPI:                       NO
     GigEVisionSDK:               NO
     UniCap:                      NO
     UniCap ucil:                 NO
     V4L/V4L2:                    Using libv4l1 (ver 1.0.1) / libv4l2 (ver 1.0.1)
     XIMEA:                       NO
     Xine:                        NO
     gPhoto2:                     NO
 
   Other third-party libraries:
     Use IPP:                     NO
     Use Eigen:                   NO
     Use TBB:                     NO
     Use OpenMP:                  NO
     Use GCD                      NO
     Use Concurrency              NO
     Use C=:                      NO
     Use pthreads for parallel for:
                                  YES
     Use Cuda:                    NO
     Use OpenCL:                  YES
 
   OpenCL:
     Version:                     dynamic
     Include path:                /home/odroid/work/opencv/3rdparty/include/opencl/1.2
     Use AMDFFT:                  NO
     Use AMDBLAS:                 NO
 
   Python 2:
     Interpreter:                 /usr/bin/python2.7 (ver 2.7.6)
 
   Python 3:
     Interpreter:                 /usr/bin/python3.4 (ver 3.4)
 
   Python (for build):            /usr/bin/python2.7
 
   Java:
     ant:                         NO
     JNI:                         NO
     Java wrappers:               NO
     Java tests:                  NO
 
   Matlab:
     mex:                         NO
 
   Documentation:
     Doxygen:                     NO
     PlantUML:                    NO
 
   Tests and samples:
     Tests:                       YES
     Performance tests:           YES
     C/C++ Examples:              YES
 
   Install path:                  /usr/local
 
   cvconfig.h is in:              /home/odroid/work/opencv
 -----------------------------------------------------------------
 
*ビルドされたライブラリや実行ファイル [#vd10800e]
    1408 Jul 10 13:46 libopencv_hal_pch_dephelp.a
   35572 Jul 10 13:46 libopencv_hal.a
    1414 Jul 10 13:46 libopencv_core_pch_dephelp.a
 2175833 Jul 10 13:52 libopencv_core.so.3.0.0
    3368 Jul 10 13:52 libopencv_ts_pch_dephelp.a
    1416 Jul 10 13:52 libopencv_imgproc_pch_dephelp.a
 2511670 Jul 10 13:58 libopencv_imgproc.so.3.0.0
    1422 Jul 10 13:58 libopencv_imgcodecs_pch_dephelp.a
  205077 Jul 10 13:58 libopencv_imgcodecs.so.3.0.0
    1416 Jul 10 13:58 libopencv_highgui_pch_dephelp.a
    1416 Jul 10 13:59 libopencv_videoio_pch_dephelp.a
  184710 Jul 10 13:59 libopencv_videoio.so.3.0.0
   53307 Jul 10 13:59 libopencv_highgui.so.3.0.0
 1354470 Jul 10 14:01 libopencv_ts.a
    3382 Jul 10 14:01 libopencv_perf_core_pch_dephelp.a
    3382 Jul 10 14:05 libopencv_test_core_pch_dephelp.a
  127022 Jul 10 14:11 libopencv_flann_pch_dephelp.a
  344365 Jul 10 14:12 libopencv_flann.so.3.0.0
  127996 Jul 10 14:12 libopencv_test_flann_pch_dephelp.a
    3386 Jul 10 14:12 libopencv_perf_imgproc_pch_dephelp.a
    3386 Jul 10 14:18 libopencv_test_imgproc_pch_dephelp.a
    2388 Jul 10 14:23 libopencv_ml_pch_dephelp.a
  548828 Jul 10 14:25 libopencv_ml.so.3.0.0
    3376 Jul 10 14:25 libopencv_test_ml_pch_dephelp.a
    1414 Jul 10 14:26 libopencv_photo_pch_dephelp.a
  658921 Jul 10 14:28 libopencv_photo.so.3.0.0
    3384 Jul 10 14:28 libopencv_perf_photo_pch_dephelp.a
    3384 Jul 10 14:29 libopencv_test_photo_pch_dephelp.a
    1414 Jul 10 14:30 libopencv_video_pch_dephelp.a
  312249 Jul 10 14:31 libopencv_video.so.3.0.0
    3384 Jul 10 14:31 libopencv_perf_video_pch_dephelp.a
    3384 Jul 10 14:32 libopencv_test_video_pch_dephelp.a
    3392 Jul 10 14:33 libopencv_perf_imgcodecs_pch_dephelp.a
    3392 Jul 10 14:33 libopencv_test_imgcodecs_pch_dephelp.a
    2390 Jul 10 14:34 libopencv_shape_pch_dephelp.a
  187170 Jul 10 14:35 libopencv_shape.so.3.0.0
    3384 Jul 10 14:35 libopencv_test_shape_pch_dephelp.a
    3386 Jul 10 14:35 libopencv_perf_videoio_pch_dephelp.a
    3386 Jul 10 14:36 libopencv_test_videoio_pch_dephelp.a
    3386 Jul 10 14:36 libopencv_test_highgui_pch_dephelp.a
    2398 Jul 10 14:36 libopencv_objdetect_pch_dephelp.a
  337195 Jul 10 14:37 libopencv_objdetect.so.3.0.0
    3392 Jul 10 14:37 libopencv_perf_objdetect_pch_dephelp.a
    3392 Jul 10 14:38 libopencv_test_objdetect_pch_dephelp.a
    1422 Jul 10 14:39 libopencv_superres_pch_dephelp.a
  148348 Jul 10 14:39 libopencv_superres.so.3.0.0
    3390 Jul 10 14:39 libopencv_perf_superres_pch_dephelp.a
    3390 Jul 10 14:39 libopencv_test_superres_pch_dephelp.a
    1424 Jul 10 14:40 libopencv_features2d_pch_dephelp.a
  671568 Jul 10 14:42 libopencv_features2d.so.3.0.0
    3392 Jul 10 14:42 libopencv_perf_features2d_pch_dephelp.a
    3392 Jul 10 14:43 libopencv_test_features2d_pch_dephelp.a
    1416 Jul 10 14:44 libopencv_calib3d_pch_dephelp.a
 1000699 Jul 10 14:49 libopencv_calib3d.so.3.0.0
    3386 Jul 10 14:49 libopencv_perf_calib3d_pch_dephelp.a
    3386 Jul 10 14:50 libopencv_test_calib3d_pch_dephelp.a
    3392 Jul 10 14:53 libopencv_perf_stitching_pch_dephelp.a
    2398 Jul 10 14:53 libopencv_stitching_pch_dephelp.a
  409726 Jul 10 14:54 libopencv_stitching.so.3.0.0
    3392 Jul 10 14:55 libopencv_test_stitching_pch_dephelp.a
    2398 Jul 10 14:56 libopencv_videostab_pch_dephelp.a
  289524 Jul 10 14:56 libopencv_videostab.so.3.0.0

**ビルドに要した時間Top20 [#m72016c7]
|binaryの名前|所要時間(sec)|
|libopencv_flann_pch_dephelp.a|350|
|libopencv_test_imgproc_pch_dephelp.a|336|
|libopencv_ml_pch_dephelp.a|332|
|libopencv_core.so.3.0.0|315|
|libopencv_calib3d.so.3.0.0|272|
|libopencv_test_core_pch_dephelp.a|271|
|libopencv_imgproc.so.3.0.0|262|
|libopencv_perf_stitching_pch_dephelp.a|183|
|libopencv_features2d.so.3.0.0|140|
|libopencv_photo.so.3.0.0|134|
|libopencv_ml.so.3.0.0|103|
|libopencv_ts.a|101|
|libopencv_stitching.so.3.0.0|95|
|libopencv_perf_imgcodecs_pch_dephelp.a|74|
|libopencv_test_features2d_pch_dephelp.a|70|
|libopencv_test_video_pch_dephelp.a|68|
|libopencv_video_pch_dephelp.a|65|
|libopencv_video.so.3.0.0|62|
|libopencv_calib3d_pch_dephelp.a|62|
|libopencv_objdetect.so.3.0.0|61|
*performance [#m600431a]
-TBW
*その他 [#l77afa32]
-[[:OpenCV]]
-[[:OpenCV 3.0]]
-[[ODROID-X2でOpenCV]]
-[[ODROID-X2でOpenCV 3.0-betaをビルド]]
-[[Arm]]

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