全志R16的tinav2.1系统增加opencv2.4.9的库的步骤（分色排版）
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全志R16的tinav2.1系统增加opencv2.4.9的库的步骤
完成时间：2017/5/11 11:03
版本：V1.0
请严重注意：根据本文加载openCV的库，对比结果，RK3128的运算速度是R16的3.16倍。
具体原因，本文就不给出来了！^_请自行找。我可以很负责任的告诉你，性能是可以达到稍微优于RK3128的。
1、验证编译/刷机全志R16的TINAV2.1的系统：
编译环境配置完成之后，就先编译一个全志R16的TINAV2.1的系统，烧录到开发板：SC3817上，验证一下你的编译工具都是正常工作的/配置正确了。
我用的笔记本电脑型号：华硕FX50J（WIN7 64位）。
INTLE酷睿I7-4720HQ
内存：4GB+8GB（LDDR3）
虚拟机配置：VMWare12（兼容配置为VMWare8）单CPU4核2GB内存。
编译时间：#### make completed successfully (17:35 (mm:ss)) ####
具体的所需要的时间看你的电脑的配置了（CPU+内存大小）
rootroot@rootroot-virtual-machine:~/wyb$ mv tinaV2.1 opencv2.4.9_tinav2.1_ov5640
rootroot@rootroot-virtual-machine:~/wyb$ cd opencv2.4.9_tinav2.1_ov5640
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ source build/envsetup.sh
including target/allwinner/azalea-perf1/vendorsetup.sh
including target/allwinner/astar-spk/vendorsetup.sh
including target/allwinner/octopus-dev/vendorsetup.sh
including target/allwinner/tulip-d1/vendorsetup.sh
including target/allwinner/azalea-evb/vendorsetup.sh
including target/allwinner/octopus-sch/vendorsetup.sh
including target/allwinner/azalea-perf2/vendorsetup.sh
including target/allwinner/generic/vendorsetup.sh
including target/allwinner/astar-evb/vendorsetup.sh
including target/allwinner/astar-parrot/vendorsetup.sh
including target/allwinner/azalea-perf3/vendorsetup.sh
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ lunch
You're building on Linux
Lunch menu... pick a combo:
1. azalea_perf1-tina
2. azalea_perf1-dragonboard
3. astar_spk-tina
4. astar_spk-dragonboard
5. octopus_dev-tina
6. octopus_dev-dragonboard
7. tulip_d1-tina
8. tulip_d1-dragonboard
9. azalea_evb-tina
10. azalea_evb-dragonboard
11. octopus_sch-tina
12. octopus_sch-dragonboard
13. azalea_perf2-tina
14. azalea_perf2-dragonboard
15. astar_evb-tina
16. astar_parrot-tina
17. astar_parrot-dragonboard
18. azalea_perf3-tina
19. azalea_perf3-dragonboard
Which would you like?16
============================================
PLATFORM_VERSION_CODENAME=Neptune
PLATFORM_VERSION=2.0.0
TARGET_PRODUCT=astar_parrot
TARGET_BUILD_VARIANT=tina
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=arm
TARGET_ARCH_VARIANT=armv7-a-neon
TARGET_CPU_VARIANT=cortex-a7
TARGET_2ND_ARCH=
TARGET_2ND_ARCH_VARIANT=
TARGET_2ND_CPU_VARIANT=
HOST_ARCH=x86_64
HOST_OS=linux
HOST_OS_EXTRA=Linux-3.13.0-24-generic-x86_64-with-Ubuntu-14.04-trusty
HOST_BUILD_TYPE=release
BUILD_ID=57513AA3
OUT_DIR=
============================================
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ make -j8
Creating 4.0 filesystem on /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/linux-astar-parrot/root.squashfs, block size 262144.
Pseudo file "/dev" exists in source filesystem "/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/rootfs/dev".
Ignoring, exclude it (-e/-ef) to override.
[================================================================================================================================================================================================/] 586/586 100%
Exportable Squashfs 4.0 filesystem, xz compressed, data block size 262144
compressed data, compressed metadata, compressed fragments, no xattrs
duplicates are removed
Filesystem size 6045.07 Kbytes (5.90 Mbytes)
36.40% of uncompressed filesystem size (16605.45 Kbytes)
Inode table size 6836 bytes (6.68 Kbytes)
24.69% of uncompressed inode table size (27687 bytes)
Directory table size 7989 bytes (7.80 Kbytes)
48.59% of uncompressed directory table size (16441 bytes)
Number of duplicate files found 7
Number of inodes 827
Number of files 560
Number of fragments 35
Number of symbolic links 196
Number of device nodes 1
Number of fifo nodes 0
Number of socket nodes 0
Number of directories 70
Number of ids (unique uids + gids) 1
Number of uids 1
root (0)
Number of gids 1
root (0)
dd if=/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/linux-astar-parrot/root.squashfs of=/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/rootfs.img bs=128k conv=sync
47+1 records in
48+0 records out
6291456 bytes (6.3 MB) copied, 0.00435745 s, 1.4 GB/s
( cd /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot ; find -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs md5sum --binary > md5sums )
( cd /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot ; find -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs openssl dgst -sha256 > sha256sums )
make[5]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/target/allwinner/generic/image'
make[4]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/target/allwinner/astar-parrot'
make[3]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/target/allwinner'
make[2]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
export MAKEFLAGS= ;make -w -r package/index
make[2]: Entering directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
Generating package index...
Signing key has not been configured
make[2]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
make[1]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
#### make completed successfully (17:35 (mm:ss)) ####
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ pack -d
No kernel param, parse it from astar
copying tools file
copying configs file
image/aultls32.fex
image/aultools.fex
image/boot_package.fex
image/cardscript.fex
image/cardscript_secure.fex
image/cardtool.fex
image/env_burn.cfg
image/env.cfg
image/env_dragonboard.cfg
image/image.cfg
image/image_linux.cfg
image/split_xxxx.fex
image/sunxi.fex
image/sys_config.fex
image/sys_partition_dragonboard.fex
image/sys_partition_dump.fex
image/sys_partition.fex
image/sys_partition_nor.fex
image/sys_partition_private.fex
image/test_config.fex
image/toc0.fex
image/toc1.fex
image/usbtool.fex
image/usbtool_test.fex
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640
copying boot resource
copying boot file
uart -> card0
packing for tina linux
normal
load file: boot0_spinor.fex ok
load file: u-boot-spinor.fex ok
load file: sunxi_mbr.fex ok
load file: sys_partition.bin ok
load file: boot-resource.fex ok
load file: env.fex ok
load file: boot.fex ok
load file: rootfs.fex ok
this is not a partition key
merge_package ok
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/host/bin/
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/image
Begin Parse sys_partion.fex
Add partion boot-resource.fex BOOT-RESOURCE_FEX
Add partion very boot-resource.fex BOOT-RESOURCE_FEX
FilePath: boot-resource.fex
FileLength=14000Add partion env.fex ENV_FEX000000000
Add partion very env.fex ENV_FEX000000000
FilePath: env.fex
FileLength=20000Add partion boot.fex BOOT_FEX00000000
Add partion very boot.fex BOOT_FEX00000000
FilePath: boot.fex
FileLength=400000Add partion rootfs.fex ROOTFS_FEX000000
Add partion very rootfs.fex ROOTFS_FEX000000
FilePath: rootfs.fex
FileLength=600000sys_config.fex Len: 0xf667
config.fex Len: 0x9e4c
split_xxxx.fex Len: 0x200
sys_partition.fex Len: 0xba6
sunxi.fex Len: 0x9
boot0_nand.fex Len: 0x8000
boot0_sdcard.fex Len: 0x8000
u-boot.fex Len: 0xd8000
toc1.fex Len: 0x8
toc0.fex Len: 0x8
fes1.fex Len: 0x3180
full_img.fex Len: 0xe30000
boot_package.fex Len: 0x10
usbtool.fex Len: 0x23000
aultools.fex Len: 0x27c29
aultls32.fex Len: 0x2455d
cardtool.fex Len: 0x11a00
cardscript.fex Len: 0x6ea
sunxi_mbr.fex Len: 0x10000
dlinfo.fex Len: 0x4000
boot-resource.fex Len: 0x14000
Vboot-resource.fex Len: 0x4
env.fex Len: 0x20000
Venv.fex Len: 0x4
boot.fex Len: 0x400000
Vboot.fex Len: 0x4
rootfs.fex Len: 0x600000
Vrootfs.fex Len: 0x4
BuildImg 0
Dragon execute image.cfg SUCCESS !
----------image is at----------
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/tina_astar-parrot_card0.img
pack finish
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
2、给全志R16的TINAV2.1系统导入openCV2.4.9（Makefile方式）：
参考文献：
https://my.oschina.net/u/2306127/blog/382609
玩转智能路由器－WRTnode添加OpenCV支持
http://wiki.wrtnode.com/index.php?title=OpenWrt_package_method/zh-cn
！！！！用OpenWrt package方式编译OpenCV
编辑Makefile文件：
T:\wyb\opencv2.4.9_tinav2.1_ov5640\package\libs\opencv\Makefile
include $(TOPDIR)/rules.mk
PKG_NAME:=opencv
PKG_VERSION:=2.4.9
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).zip
PKG_SOURCE_URL:=https://github.com/Itseez/opencv/archive/2.4.9.zip
PKG_MD5SUM:=7F958389E71C77ABDF5EFE1DA988B80C
#PKG_LICENSE:=BSD
#PKG_LICENSE_FILE:=
PKG_CAT:=unzip
include $(BUILD_DIR)/package.mk
include $(BUILD_DIR)/cmake.mk
define Package/opencv/Default/description
the Open Source Computer Vision Library for linux
endef
define Package/opencv
SECTION:=libs
CATEGORY:=Libraries
TITLE:=opencv-2.4.9 source only
DEPENDS:=+libpthread +librt +libstdcpp +zlib +libjpeg +libpng
endef
PKG_INSTALL:=1
CMAKE_OPTIONS += -DBUILD_opencv_gpu:BOOL=OFF \
-DBUILD_1349:BOOL=OFF -DBUILD_opencv_stitching:BOOL=OFF \
-DBUILD_opencv_superres:BOOL=OFF -DBUILD_opencv_ts:BOOL=OFF
define Build/InstallDev
$(INSTALL_DIR) $(1)/usr/include
$(CP) $(PKG_INSTALL_DIR)/usr/include/opencv $(1)/usr/include
$(CP) $(PKG_INSTALL_DIR)/usr/include/opencv2 $(1)/usr/include
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libopencv* $(1)/usr/lib
endef
define Package/opencv/install
$(INSTALL_DIR) $(1)/usr/include
$(CP) $(PKG_INSTALL_DIR)/usr/include/* $(1)/usr/include
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libopencv* $(1)/usr/lib
endef
$(eval $(call BuildPackage,opencv))
必须在menuconfig选中才能编译进去系统：
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ cp .config bak1_orig.config
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ make menuconfig
Libraries --->
< > opencv.......................................... opencv-2.4.9 source only (NEW)
选中这里：
<*> opencv.......................................... opencv-2.4.9 source only
3、openCV2.4.9的编译错误的处理：
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ cp .config bak2_opencv-2.4.9.config
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ make -j8
[ 25%] Building CXX object 3rdparty/openexr/CMakeFiles/IlmImf.dir/IlmImf/ImfPizCompressor.cpp.o
[ 25%] Building CXX object 3rdparty/openexr/CMakeFiles/IlmImf.dir/IlmImf/ImfOutputFile.cpp.o
[ 25%] Building CXX object 3rdparty/openexr/CMakeFiles/IlmImf.dir/IlmImf/ImfCRgbaFile.cpp.o
[ 25%] Linking CXX static library ../lib/libIlmImf.a
make[6]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
[ 25%] Built target IlmImf
make[6]: Entering directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
[ 25%] Generating opencv_core_pch_dephelp.cxx
Scanning dependencies of target opencv_core_pch_dephelp
make[6]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[6]: Entering directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
[ 25%] Building CXX object modules/core/CMakeFiles/opencv_core_pch_dephelp.dir/opencv_core_pch_dephelp.cxx.o
[ 25%] Linking CXX static library ../../lib/libopencv_core_pch_dephelp.a
make[6]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
[ 25%] Built target opencv_core_pch_dephelp
make[6]: Entering directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
Scanning dependencies of target pch_Generate_opencv_core
make[6]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[6]: Entering directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
[ 26%] Generating precomp.hpp
[ 26%] Generating precomp.hpp.gch/opencv_core_Release.gch
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/prebuilt/gcc/linux-x86/arm/toolchain-sunxi/toolchain/bin/../lib/gcc/arm-openwrt-linux-muslgnueabi/5.2.0/../../../../arm-openwrt-linux-muslgnueabi/lib/crt1.o: In function `_start_c':
/home/caiyongheng/tina_test/out/azalea-perf1/compile_dir/toolchain/musl-1.1.14/crt/crt1.c:17: undefined reference to `main'
collect2: error: ld returned 1 exit status
make[6]: *** [modules/core/precomp.hpp.gch/opencv_core_Release.gch] Error 1
make[6]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[5]: *** [modules/core/CMakeFiles/pch_Generate_opencv_core.dir/all] Error 2
make[5]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[4]: *** [all] Error 2
make[4]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[3]: *** [/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9/.built] Error 2
make[3]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/package/libs/opencv'
make[2]: *** [package/libs/opencv/compile] Error 2
make[2]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
make[1]: *** [/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/stamp/.package_compile] Error 2
make[1]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
Build failed - please re-run with -j1 to see the real error message
make: *** [world] ´íÎó 1
#### make failed to build some targets (01:53 (mm:ss)) ####
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
需要修改三个地方：
T:\wyb\opencv2.4.9_tinav2.1_ov5640\out\astar-parrot\compile_dir\target\opencv-2.4.9\CMakeCache.txt
修改一：
//Flags used by the compiler during all build types.
CMAKE_CXX_FLAGS:STRING='-Os -pipe -march=armv7-a -mtune=cortex-a7 -mfpu=neon -fno-caller-saves -fno-plt -mfloat-abi=hard -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro '
修改为：
//Flags used by the compiler during all build types.
//CMAKE_CXX_FLAGS:STRING='-Os -pipe -march=armv7-a -mtune=cortex-a7 -mfpu=neon -fno-caller-saves -fno-plt -mfloat-abi=hard -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro '
CMAKE_CXX_FLAGS:STRING=-fPIC
修改二：
//Flags used by the compiler during all build types.
CMAKE_C_FLAGS:STRING='-Os -pipe -march=armv7-a -mtune=cortex-a7 -mfpu=neon -fno-caller-saves -fno-plt -mfloat-abi=hard -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro '
修改为：
//Flags used by the compiler during all build types.
//CMAKE_C_FLAGS:STRING='-Os -pipe -march=armv7-a -mtune=cortex-a7 -mfpu=neon -fno-caller-saves -fno-plt -mfloat-abi=hard -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro '
CMAKE_C_FLAGS:STRING=-fPIC
修改三：
//No help, variable specified on the command line.
CMAKE_EXE_LINKER_FLAGS:STRING=-L/home/rootroot/wyb/opencv3.1_r16_tinav2.1/out/astar-parrot/staging_dir/target/usr/lib -L/home/rootroot/wyb/opencv3.1_r16_tinav2.1/out/astar-parrot/staging_dir/target/lib -L/home/rootroot/wyb/opencv3.1_r16_tinav2.1/prebuilt/gcc/linux-x86/arm/toolchain-sunxi/toolchain/usr/lib -L/home/rootroot/wyb/opencv3.1_r16_tinav2.1/prebuilt/gcc/linux-x86/arm/toolchain-sunxi/toolchain/lib -znow -zrelro
修改为：
//No help, variable specified on the command line.
//CMAKE_EXE_LINKER_FLAGS:STRING=-L/home/rootroot/wyb/opencv3.1_r16_tinav2.1/out/astar-parrot/staging_dir/target/usr/lib -L/home/rootroot/wyb/opencv3.1_r16_tinav2.1/out/astar-parrot/staging_dir/target/lib -L/home/rootroot/wyb/opencv3.1_r16_tinav2.1/prebuilt/gcc/linux-x86/arm/toolchain-sunxi/toolchain/usr/lib -L/home/rootroot/wyb/opencv3.1_r16_tinav2.1/prebuilt/gcc/linux-x86/arm/toolchain-sunxi/toolchain/lib -znow -zrelro
CMAKE_EXE_LINKER_FLAGS:STRING=-pthread -lrt -Wl,--no-as-needed -ldl
修改CMakeCache.txt之后继续编译：
rootroot@rootroot-E400:~/wyb/opencv3.1_r16_tinav2.1$ make -j8
[ 28%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/dxt.cpp.o
[ 28%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/glob.cpp.o
[ 28%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/arithm.cpp.o
[ 28%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/algorithm.cpp.o
[ 28%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/system.cpp.o
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9/modules/core/src/system.cpp:167:24: fatal error: sys/sysctl.h: No such file or directory
compilation terminated.
make[6]: *** [modules/core/CMakeFiles/opencv_core.dir/src/system.cpp.o] Error 1
make[6]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[5]: *** [modules/core/CMakeFiles/opencv_core.dir/all] Error 2
make[5]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[4]: *** [all] Error 2
make[4]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[3]: *** [/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9/.built] Error 2
make[3]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/package/libs/opencv'
make[2]: *** [package/libs/opencv/compile] Error 2
make[2]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
make[1]: *** [/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/stamp/.package_compile] Error 2
make[1]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
Build failed - please re-run with -j1 to see the real error message
make: *** [world] 错误 1
#### make failed to build some targets (56 seconds) ####
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
T:\wyb\opencv2.4.9_tinav2.1_ov5640\out\astar-parrot\compile_dir\target\opencv-2.4.9\modules\core\src\system.cpp
关闭头文件：#include <sys/sysctl.h>
#if defined __linux__ || defined __APPLE__ || defined __EMSCRIPTEN__
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
#if defined ANDROID
#include <sys/sysconf.h>
#else
//#include <sys/sysctl.h>
#endif
#endif
修改system.cpp之后继续编译：
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ make -j8
install -d -m0755 /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/tmp-procps-vmstat/usr/bin
install -m0755 /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/procps-3.2.8/vmstat /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/tmp-procps-vmstat/usr/bin/
[ 26%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/parallel.cpp.o
make[3]: Entering directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/package/system/fstools'
SHELL= flock /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/tmp/.root-copy.flock -c 'cp -fpR /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/tmp-procps-vmstat/. /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/'
rm -rf /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/tmp-procps-vmstat
touch /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/stamp/.procps-vmstat_installed
if [ -f /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/pkginfo/procps.default.install.clean ]; then rm -f /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/pkginfo/procps.default.install /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/pkginfo/procps.default.install.clean; fi; echo "procps-vmstat" >> /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/pkginfo/procps.default.install
make[3]: Entering directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/package/utils/ubi-utils'
rm -rf /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/tmp-procps-watch
mkdir -p /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/stamp /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/tmp-procps-watch
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9/modules/core/src/parallel.cpp:60:32: fatal error: sys/sysctl.h: No such file or directory
compilation terminated.
make[6]: *** [modules/core/CMakeFiles/opencv_core.dir/src/parallel.cpp.o] Error 1
make[6]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[5]: *** [modules/core/CMakeFiles/opencv_core.dir/all] Error 2
make[5]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
make[3]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/package/utils/ubi-utils'
make[4]: *** [all] Error 2
make[4]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/opencv-2.4.9'
rm -rf /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/rootfs/tmp-opkg
……
make[3]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/package/kernel/linux'
make[2]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
make[1]: *** [/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/stamp/.package_compile] Error 2
make[1]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
Build failed - please re-run with -j1 to see the real error message
make: *** [world] 错误 1
#### make failed to build some targets (12 seconds) ####
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
T:\wyb\opencv2.4.9_tinav2.1_ov5640\out\astar-parrot\compile_dir\target\opencv-2.4.9\modules\core\src\parallel.cpp
关闭头文件：sys/sysctl.h
#if defined __linux__ || defined __APPLE__
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
#if defined ANDROID
#include <sys/sysconf.h>
#else
//#include <sys/sysctl.h>
#endif
#endif
修改parallel.cpp之后继续编译：
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ make -j8
通过了：
dd if=/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/compile_dir/target/linux-astar-parrot/root.squashfs of=/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/rootfs.img bs=128k conv=sync
76+1 records in
77+0 records out
10092544 bytes (10 MB) copied, 0.0311922 s, 324 MB/s
( cd /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot ; find -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs md5sum --binary > md5sums )
( cd /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot ; find -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs openssl dgst -sha256 > sha256sums )
make[5]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/target/allwinner/generic/image'
make[4]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/target/allwinner/astar-parrot'
make[3]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/target/allwinner'
make[2]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
export MAKEFLAGS= ;make -w -r package/index
make[2]: Entering directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
Generating package index...
Signing key has not been configured
make[2]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
make[1]: Leaving directory `/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640'
#### make completed successfully (03:39 (mm:ss)) ####
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
打包出错：
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ pack -d
No kernel param, parse it from astar
copying tools file
copying configs file
image/aultls32.fex
image/aultools.fex
image/boot_package.fex
image/cardscript.fex
image/cardscript_secure.fex
image/cardtool.fex
image/env_burn.cfg
image/env.cfg
image/env_dragonboard.cfg
image/image.cfg
image/image_linux.cfg
image/split_xxxx.fex
image/sunxi.fex
image/sys_config.fex
image/sys_partition_dragonboard.fex
image/sys_partition_dump.fex
image/sys_partition.fex
image/sys_partition_nor.fex
image/sys_partition_private.fex
image/test_config.fex
image/toc0.fex
image/toc1.fex
image/usbtool.fex
image/usbtool_test.fex
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640
copying boot resource
copying boot file
uart -> card0
packing for tina linux
normal
load file: boot0_spinor.fex ok
load file: u-boot-spinor.fex ok
load file: sunxi_mbr.fex ok
load file: sys_partition.bin ok
load file: boot-resource.fex ok
load file: env.fex ok
load file: boot.fex ok
load file: rootfs.fex ok
error: file size of rootfs.fex(10092544) > part size(8388608)
merge_package fail
ERROR: merge_full_img failed
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
看字面意思是：整合openCV2.4.9之后，根文件系统rootfs现在的大小超过分区表的设置了。
改大即可：
T:\wyb\opencv2.4.9_tinav2.1_ov5640\target\allwinner\astar-parrot\configs\sys_partition.fex
[partition]
name = rootfs
size = 16384
downloadfile = "rootfs.fex"
user_type = 0x8000
[partition]
name = rootfs_data
size = 98304
user_type = 0x8000
修改为：
[partition]
name = rootfs
size = 98304
downloadfile = "rootfs.fex"
user_type = 0x8000
[partition]
name = rootfs_data
size = 98304
user_type = 0x8000
继续打包：
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ pack -d
No kernel param, parse it from astar
copying tools file
copying configs file
image/aultls32.fex
image/aultools.fex
image/boot_package.fex
image/cardscript.fex
image/cardscript_secure.fex
image/cardtool.fex
image/env_burn.cfg
image/env.cfg
image/env_dragonboard.cfg
image/image.cfg
image/image_linux.cfg
image/split_xxxx.fex
image/sunxi.fex
image/sys_config.fex
image/sys_partition_dragonboard.fex
image/sys_partition_dump.fex
image/sys_partition.fex
image/sys_partition_nor.fex
image/sys_partition_nor - ¸±±¾.fex
image/sys_partition_private.fex
image/sys_partition - ¸±±¾.fex
image/test_config.fex
image/toc0.fex
image/toc1.fex
image/usbtool.fex
image/usbtool_test.fex
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640
copying boot resource
copying boot file
uart -> card0
packing for tina linux
normal
load file: boot0_spinor.fex ok
load file: u-boot-spinor.fex ok
load file: sunxi_mbr.fex ok
load file: sys_partition.bin ok
load file: boot-resource.fex ok
load file: env.fex ok
load file: boot.fex ok
load file: rootfs.fex ok
error: file size of rootfs.fex(10092544) > part size(8388608)
merge_package fail
ERROR: merge_full_img failed
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
看错误提示：还是rootfs分区的实际大小 大于 分区的预设大小了。
干掉sys_partition_nor.fex：
T:\wyb\opencv2.4.9_tinav2.1_ov5640\target\allwinner\astar-parrot\configs\sys_partition_nor.fex
继续打包：
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ pack -d
No kernel param, parse it from astar
copying tools file
copying configs file
image/aultls32.fex
image/aultools.fex
image/boot_package.fex
image/cardscript.fex
image/cardscript_secure.fex
image/cardtool.fex
image/env_burn.cfg
image/env.cfg
image/env_dragonboard.cfg
image/image.cfg
image/image_linux.cfg
image/split_xxxx.fex
image/sunxi.fex
image/sys_config.fex
image/sys_partition_dragonboard.fex
image/sys_partition_dump.fex
image/sys_partition.fex
image/sys_partition_nor - 副本.fex
image/sys_partition_private.fex
image/sys_partition - 副本.fex
image/test_config.fex
image/toc0.fex
image/toc1.fex
image/usbtool.fex
image/usbtool_test.fex
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640
copying boot resource
copying boot file
uart -> card0
packing for tina linux
normal
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/host/bin/
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/image
Begin Parse sys_partion.fex
Add partion boot-resource.fex BOOT-RESOURCE_FEX
Add partion very boot-resource.fex BOOT-RESOURCE_FEX
FilePath: boot-resource.fex
FileLength=14000Add partion env.fex ENV_FEX000000000
Add partion very env.fex ENV_FEX000000000
FilePath: env.fex
FileLength=20000Add partion boot.fex BOOT_FEX00000000
Add partion very boot.fex BOOT_FEX00000000
FilePath: boot.fex
FileLength=400000Add partion rootfs.fex ROOTFS_FEX000000
Add partion very rootfs.fex ROOTFS_FEX000000
FilePath: rootfs.fex
FileLength=9a0000sys_config.fex Len: 0xf667
config.fex Len: 0x9e4c
split_xxxx.fex Len: 0x200
sys_partition.fex Len: 0xba6
sunxi.fex Len: 0x9
boot0_nand.fex Len: 0x8000
boot0_sdcard.fex Len: 0x8000
u-boot.fex Len: 0xd8000
toc1.fex Len: 0x8
toc0.fex Len: 0x8
fes1.fex Len: 0x3180
full_img.fex Len: 0x16
boot_package.fex Len: 0x10
usbtool.fex Len: 0x23000
aultools.fex Len: 0x27c29
aultls32.fex Len: 0x2455d
cardtool.fex Len: 0x11a00
cardscript.fex Len: 0x6ea
sunxi_mbr.fex Len: 0x10000
dlinfo.fex Len: 0x4000
boot-resource.fex Len: 0x14000
Vboot-resource.fex Len: 0x4
env.fex Len: 0x20000
Venv.fex Len: 0x4
boot.fex Len: 0x400000
Vboot.fex Len: 0x4
rootfs.fex Len: 0x9a0000
Vrootfs.fex Len: 0x4
BuildImg 0
Dragon execute image.cfg SUCCESS !
----------image is at----------
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/tina_astar-parrot_card0.img
pack finish
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$ ll /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/tina_astar-parrot_card0.img
-rwxrwxr-x 1 rootroot rootroot 16224256 5月 10 14:16 /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/tina_astar-parrot_card0.img*
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640$
（可选操作）：
请严重注意：改大这里之后以上的步骤不执行也可以打包，但是刷机失败，并且看不出来明显的出错信息。
（那就倒大霉了！^_）
打开ext4支持（可选操作，我是在这里设置了）：
rootroot@rootroot-E400:~/wyb/opencv3.1_r16_tinav2.1$ make menuconfig
Target Images --->
[ ] ext4 ----
选中之前：
[ ] ramdisk ----
*** Root filesystem archives ***
[ ] cpio.gz
[ ] tar.gz
*** Root filesystem images ***
[ ] ext4 ----
[ ] jffs2
[*] squashfs --->
*** Image Options ***
(4) Boot (SD Card) filesystem partition size (in MB)
选中这里之后：
[*] ext4 --->
[ ] ramdisk ----
*** Root filesystem archives ***
[ ] cpio.gz
[ ] tar.gz
*** Root filesystem images ***
[*] ext4 --->
[ ] jffs2
[*] squashfs --->
[*] GZip images (NEW)
*** Image Options ***
(4) Boot (SD Card) filesystem partition size (in MB)
(48) Root filesystem partition size (in MB) (NEW)
[ ] Include kernel in root filesystem (NEW) ----
3、验证openCV2.4.9的库移植成功（/usr/lib# ll libopencv*）：
刷机之后，在系统中查找openCV2.4.9的库：
[ 25.970392] wl_android_wifi_on: Success
[ 25.975785] p2p0: p2p_dev_addr=96:a1:a2:c6:49:d6
[ 26.058014] dhd_open: Exit ret=0
[ 29.589441] sndpcm_startup,l:1688,pa_vol:40
BusyBox v1.24.1 () built-in shell (ash)
_____ _ __ _
|_ _||_| ___ _ _ | | |_| ___ _ _ _ _
| | _ | || | | |__ | || || | ||_'_|
| | | || | || _ | |_____||_||_|_||___||_,_|
|_| |_||_|_||_|_| Tina is Based on OpenWrt!
----------------------------------------------
Tina Linux (Neptune, 57513AA3)
----------------------------------------------
root@TinaLinux:/#
root@TinaLinux:/# cd usr/lib/
root@TinaLinux:/usr/lib#
root@TinaLinux:/usr/lib# ll libopencv*
lrwxrwxrwx 1 root root 24 May 10 2017 libopencv_calib3d.so -> libopencv_calib3d.so.2.4
lrwxrwxrwx 1 root root 26 May 10 2017 libopencv_calib3d.so.2.4 -> libopencv_calib3d.so.2.4.9
-rw-r--r-- 1 root root 868359 May 10 2017 libopencv_calib3d.so.2.4.9
lrwxrwxrwx 1 root root 24 May 10 2017 libopencv_contrib.so -> libopencv_contrib.so.2.4
lrwxrwxrwx 1 root root 26 May 10 2017 libopencv_contrib.so.2.4 -> libopencv_contrib.so.2.4.9
-rw-r--r-- 1 root root 1306701 May 10 2017 libopencv_contrib.so.2.4.9
lrwxrwxrwx 1 root root 21 May 10 2017 libopencv_core.so -> libopencv_core.so.2.4
lrwxrwxrwx 1 root root 23 May 10 2017 libopencv_core.so.2.4 -> libopencv_core.so.2.4.9
-rw-r--r-- 1 root root 2842555 May 10 2017 libopencv_core.so.2.4.9
lrwxrwxrwx 1 root root 27 May 10 2017 libopencv_features2d.so -> libopencv_features2d.so.2.4
lrwxrwxrwx 1 root root 29 May 10 2017 libopencv_features2d.so.2.4 -> libopencv_features2d.so.2.4.9
-rw-r--r-- 1 root root 986248 May 10 2017 libopencv_features2d.so.2.4.9
lrwxrwxrwx 1 root root 22 May 10 2017 libopencv_flann.so -> libopencv_flann.so.2.4
lrwxrwxrwx 1 root root 24 May 10 2017 libopencv_flann.so.2.4 -> libopencv_flann.so.2.4.9
-rw-r--r-- 1 root root 819205 May 10 2017 libopencv_flann.so.2.4.9
lrwxrwxrwx 1 root root 24 May 10 2017 libopencv_highgui.so -> libopencv_highgui.so.2.4
lrwxrwxrwx 1 root root 26 May 10 2017 libopencv_highgui.so.2.4 -> libopencv_highgui.so.2.4.9
-rw-r--r-- 1 root root 2355964 May 10 2017 libopencv_highgui.so.2.4.9
lrwxrwxrwx 1 root root 24 May 10 2017 libopencv_imgproc.so -> libopencv_imgproc.so.2.4
lrwxrwxrwx 1 root root 26 May 10 2017 libopencv_imgproc.so.2.4 -> libopencv_imgproc.so.2.4.9
-rw-r--r-- 1 root root 2490775 May 10 2017 libopencv_imgproc.so.2.4.9
lrwxrwxrwx 1 root root 23 May 10 2017 libopencv_legacy.so -> libopencv_legacy.so.2.4
lrwxrwxrwx 1 root root 25 May 10 2017 libopencv_legacy.so.2.4 -> libopencv_legacy.so.2.4.9
-rw-r--r-- 1 root root 1590782 May 10 2017 libopencv_legacy.so.2.4.9
lrwxrwxrwx 1 root root 19 May 10 2017 libopencv_ml.so -> libopencv_ml.so.2.4
lrwxrwxrwx 1 root root 21 May 10 2017 libopencv_ml.so.2.4 -> libopencv_ml.so.2.4.9
-rw-r--r-- 1 root root 641066 May 10 2017 libopencv_ml.so.2.4.9
lrwxrwxrwx 1 root root 24 May 10 2017 libopencv_nonfree.so -> libopencv_nonfree.so.2.4
lrwxrwxrwx 1 root root 26 May 10 2017 libopencv_nonfree.so.2.4 -> libopencv_nonfree.so.2.4.9
-rw-r--r-- 1 root root 274435 May 10 2017 libopencv_nonfree.so.2.4.9
lrwxrwxrwx 1 root root 26 May 10 2017 libopencv_objdetect.so -> libopencv_objdetect.so.2.4
lrwxrwxrwx 1 root root 28 May 10 2017 libopencv_objdetect.so.2.4 -> libopencv_objdetect.so.2.4.9
-rw-r--r-- 1 root root 963076 May 10 2017 libopencv_objdetect.so.2.4.9
lrwxrwxrwx 1 root root 20 May 10 2017 libopencv_ocl.so -> libopencv_ocl.so.2.4
lrwxrwxrwx 1 root root 22 May 10 2017 libopencv_ocl.so.2.4 -> libopencv_ocl.so.2.4.9
-rw-r--r-- 1 root root 2127699 May 10 2017 libopencv_ocl.so.2.4.9
lrwxrwxrwx 1 root root 22 May 10 2017 libopencv_photo.so -> libopencv_photo.so.2.4
lrwxrwxrwx 1 root root 24 May 10 2017 libopencv_photo.so.2.4 -> libopencv_photo.so.2.4.9
-rw-r--r-- 1 root root 135171 May 10 2017 libopencv_photo.so.2.4.9
lrwxrwxrwx 1 root root 22 May 10 2017 libopencv_video.so -> libopencv_video.so.2.4
lrwxrwxrwx 1 root root 24 May 10 2017 libopencv_video.so.2.4 -> libopencv_video.so.2.4.9
-rw-r--r-- 1 root root 315395 May 10 2017 libopencv_video.so.2.4.9
lrwxrwxrwx 1 root root 26 May 10 2017 libopencv_videostab.so -> libopencv_videostab.so.2.4
lrwxrwxrwx 1 root root 28 May 10 2017 libopencv_videostab.so.2.4 -> libopencv_videostab.so.2.4.9
-rw-r--r-- 1 root root 274467 May 10 2017 libopencv_videostab.so.2.4.9
root@TinaLinux:/usr/lib#
root@TinaLinux:/usr/lib#
root@TinaLinux:/usr/lib#
root@TinaLinux:/usr/lib#
4、编译链的配置：
（一）、复制tinav2.1的SDK自带的编译链到目录T:\citybrand\toolchain
rootroot@rootroot-virtual-machine:~$ cd wyb/opencv2.4.9_tinav2.1_ov5640$ cd prebuilt/gcc/linux-x86/arm/toolchain-sunxi/
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/prebuilt/gcc/linux-x86/arm/toolchain-sunxi$tar zcvf toolchain_r16+tinav2.1_wyb_pack_20170511_1010.tar.gz toolchain/
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/prebuilt/gcc/linux-x86/arm/toolchain-sunxi$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/prebuilt/gcc/linux-x86/arm/toolchain-sunxi$ cd ~
rootroot@rootroot-virtual-machine:~$ mkdir citybrand
rootroot@rootroot-virtual-machine:~$ cd -
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/prebuilt/gcc/linux-x86/arm/toolchain-sunxi
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/prebuilt/gcc/linux-x86/arm/toolchain-sunxi$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/prebuilt/gcc/linux-x86/arm/toolchain-sunxi$cp toolchain_r16+tinav2.1_wyb_pack_20170511_1010.tar.gz ~/citybrand/
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/prebuilt/gcc/linux-x86/arm/toolchain-sunxi$ cd ~/citybrand/
rootroot@rootroot-virtual-machine:~/citybrand$ tar zxvf toolchain_r16+tinav2.1_wyb_pack_20170511_1010.tar.gz
（二）、添加环境变量：
.bashrc的最后输入：
export PATH="$PATH:/home/rootroot/citybrand/toolchain/bin"
export STAGING_DIR="$PATH:/home/rootroot/citybrand/toolchain"
（三）、重启电脑之后，输入arm-openwrt-linux-gcc -v检查是否可用（确认环境变量是否配置正确）
rootroot@rootroot-virtual-machine:~$ cd wyb/
rootroot@rootroot-virtual-machine:~/wyb$ arm-openwrt-linux-gcc -v
Reading specs from /home/rootroot/citybrand/toolchain/bin/../lib/gcc/arm-openwrt-linux-muslgnueabi/5.2.0/specs
COLLECT_GCC=arm-openwrt-linux-muslgnueabi-gcc.bin
COLLECT_LTO_WRAPPER=/home/rootroot/citybrand/toolchain/bin/../libexec/gcc/arm-openwrt-linux-muslgnueabi/5.2.0/lto-wrapper
Target: arm-openwrt-linux-muslgnueabi
Configured with: /home/caiyongheng/tina_test/out/azalea-perf3/compile_dir/toolchain/gcc-5.2.0/configure --with-bugurl=https://dev.openwrt.org/ --with-pkgversion='OpenWrt GCC 5.2.0 70-1-1' --prefix=/home/caiyongheng/tina_test/out/azalea-perf3/staging_dir/toolchain --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=arm-openwrt-linux-muslgnueabi --with-gnu-ld --enable-target-optspace --disable-libgomp --disable-libmudflap --disable-multilib --disable-nls --without-isl --without-cloog --with-host-libstdcxx=-lstdc++ --with-gmp=/home/caiyongheng/tina_test/out/host --with-mpfr=/home/caiyongheng/tina_test/out/host --with-mpc=/home/caiyongheng/tina_test/out/host --disable-decimal-float --with-diagnostics-color=auto-if-env --disable-libssp --enable-__cxa_atexit --with-arch=armv7-a --with-float=hard --with-headers=/home/caiyongheng/tina_test/out/azalea-perf3/staging_dir/toolchain/include --disable-libsanitizer --enable-languages=c,c++ --enable-shared --enable-threads --with-slibdir=/home/caiyongheng/tina_test/out/azalea-perf3/staging_dir/toolchain/lib --enable-lto --with-libelf=/home/caiyongheng/tina_test/out/host
Thread model: posix
gcc version 5.2.0 (OpenWrt GCC 5.2.0 70-1-1)
rootroot@rootroot-virtual-machine:~/wyb$
5、openCV的测试程序：
头文件参考：https://github.com/WRTnode/openwrt-packages/blob/master/wrtnode/opencv-test/src/cv_test.c
http://blog.csdn.net/noodies/article/details/5798434
编译OpenCV-2.1.0 for tinav2.1（全志R16）
// test.cpp
#include <iostream>
#include <opencv2/opencv.hpp>
#include <opencv/cv.h>
#include <opencv/highgui.h>
using namespace std;
using namespace cv;
int main( int argc, char** argv )
{
Mat m = imread(argv[1],1);
cout<<"cols: "<<m.cols<<endl;
return 0;
}
编译出错：
rootroot@rootroot-virtual-machine:~/wyb$
rootroot@rootroot-virtual-machine:~/wyb$ arm-openwrt-linux-g++ -I/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include -L/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib -lopencv_core -lopencv_highgui -lpthread -lrt -o test test.cpp
In file included from /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv/cv.h:69:0,
from test.cpp:6:
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:290:1: warning: 'template<class T> class cv::flann::Index_' is deprecated [-Wdeprecated-declarations]
Index_<T>::Index_(const Mat& dataset, const ::cvflann::IndexParams& params)
^
……
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib/libopencv_highgui.so: undefined reference to `jpeg_alloc_huff_table@LIBJPEG_9.0'
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib/libopencv_highgui.so: undefined reference to `deflateParams'
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib/libopencv_highgui.so: undefined reference to `png_set_bgr@PNG12_0'
collect2: error: ld returned 1 exit status
rootroot@rootroot-virtual-machine:~/wyb$
以前（opencv3.1.0下）是采用了一个简单粗暴的方法，
将头文件和库文件直接拷贝到了编译链里面了。
头文件：
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include
T:\wyb\opencv2.4.9_tinav2.1_ov5640\out\astar-parrot\staging_dir\target\usr\include
T:\citybrand\toolchain\include
rootroot@rootroot-virtual-machine:~/wyb$ cd /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include$tar zcvf include+opencv2.4.9_wyb_20170511_1032.tar.gz opencv/ opencv2/
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include$mv include+opencv2.4.9_wyb_20170511_1032.tar.gz ~/citybrand/toolchain/include/
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include$cd ~/citybrand/toolchain/include/
rootroot@rootroot-virtual-machine:~/citybrand/toolchain/include$
rootroot@rootroot-virtual-machine:~/citybrand/toolchain/include$ tar zxvf include+opencv2.4.9_wyb_20170511_1032.tar.gz
rootroot@rootroot-virtual-machine:~/citybrand/toolchain/include$
库文件：
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib
（只打包libopencv的库so失败，全部打包了：）
rootroot@rootroot-virtual-machine:~/citybrand/toolchain/include$ cd /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib$ ll libopencv* | xargs tar zcvf libopencv2.4.9+so_wyb_pack_20170511_1037.tar.gz
tar: 无效选项 -- ">"
Try 'tar --help' or 'tar --usage' for more information.
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib$ find . -name libopencv*
find: 路径必须在表达式之前: libopencv_calib3d.so.2.4
用法: find [-H] [-L] [-P] [-Olevel] [-D help|tree|search|stat|rates|opt|exec] [path...] [expression]
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib$ find . -name lib*
find: 路径必须在表达式之前: libasound.so.2
用法: find [-H] [-L] [-P] [-Olevel] [-D help|tree|search|stat|rates|opt|exec] [path...] [expression]
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib$
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib$tar zcvf ../libopencv2.4.9+so_wyb_pack_20170511_1041.tar.gz *
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib$ cd ..
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr$cp libopencv2.4.9+so_wyb_pack_20170511_1041.tar.gz ~/citybrand/toolchain/lib
rootroot@rootroot-virtual-machine:~/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr$ cd ~/citybrand/toolchain/lib/
rootroot@rootroot-virtual-machine:~/citybrand/toolchain/lib$
rootroot@rootroot-virtual-machine:~/citybrand/toolchain/lib$ tar zxvf libopencv2.4.9+so_wyb_pack_20170511_1041.tar.gz
rootroot@rootroot-virtual-machine:~/citybrand/toolchain/lib$ cd ~/wyb
rootroot@rootroot-virtual-machine:~/wyb$ arm-openwrt-linux-g++ -I/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include -L/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/lib -lopencv_core -lopencv_highgui -lpthread -lrt -o test test.cpp
In file included from /home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv/cv.h:69:0,
from test.cpp:6:
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:290:1: warning: 'template<class T> class cv::flann::Index_' is deprecated [-Wdeprecated-declarations]
Index_<T>::Index_(const Mat& dataset, const ::cvflann::IndexParams& params)
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:232:2: note: declared here
Index_ {
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:316:1: warning: 'template<class T> class cv::flann::Index_' is deprecated [-Wdeprecated-declarations]
Index_<T>::~Index_()
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:232:2: note: declared here
Index_ {
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:323:6: warning: 'template<class T> class cv::flann::Index_' is deprecated [-Wdeprecated-declarations]
void Index_<T>::knnSearch(const vector<ElementType>& query, vector<int>& indices, vector<DistanceType>& dists, int knn, const ::cvflann::SearchParams& searchParams)
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:232:2: note: declared here
Index_ {
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:335:6: warning: 'template<class T> class cv::flann::Index_' is deprecated [-Wdeprecated-declarations]
void Index_<T>::knnSearch(const Mat& queries, Mat& indices, Mat& dists, int knn, const ::cvflann::SearchParams& searchParams)
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:232:2: note: declared here
Index_ {
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:354:5: warning: 'template<class T> class cv::flann::Index_' is deprecated [-Wdeprecated-declarations]
int Index_<T>::radiusSearch(const vector<ElementType>& query, vector<int>& indices, vector<DistanceType>& dists, DistanceType radius, const ::cvflann::SearchParams& searchParams)
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:232:2: note: declared here
Index_ {
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:365:5: warning: 'template<class T> class cv::flann::Index_' is deprecated [-Wdeprecated-declarations]
int Index_<T>::radiusSearch(const Mat& query, Mat& indices, Mat& dists, DistanceType radius, const ::cvflann::SearchParams& searchParams)
^
/home/rootroot/wyb/opencv2.4.9_tinav2.1_ov5640/out/astar-parrot/staging_dir/target/usr/include/opencv2/flann/flann.hpp:232:2: note: declared here
Index_ {
^
rootroot@rootroot-virtual-machine:~/wyb$
（确认编译正确：使用file确认使用的是ARM编译器而不是X86编译器）
rootroot@rootroot-virtual-machine:~/wyb$ file test
test: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), dynamically linked (uses shared libs), not stripped
rootroot@rootroot-virtual-machine:~/wyb$ rm test
rootroot@rootroot-virtual-machine:~/wyb$
rootroot@rootroot-virtual-machine:~/wyb$
后来想想既然头文件和库文件都拷贝到编译链下面了，那就是不需要引用头文件和库文件了。
重启电脑之后尝试编译，发现少了不少警告信息！！！！（加载头文件依旧有很多警告）：
rootroot@rootroot-virtual-machine:~/wyb$ arm-openwrt-linux-g++ -lopencv_core -lopencv_highgui -lpthread -lrt -o test test.cpp
rootroot@rootroot-virtual-machine:~/wyb$
rootroot@rootroot-virtual-machine:~/wyb$ file test
test: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), dynamically linked (uses shared libs), not stripped
rootroot@rootroot-virtual-machine:~/wyb$
后记：
arm-openwrt-linux-g++具体要加载哪些库，请根据实际需要加载。
本例程只加载了opencv_core和opencv_highgui库。（《数据结构》中的折半/排除得到最少的加载项）
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