交叉编译OpenCV的应用 [英] Cross compilation openCV application
问题描述
大家好,我在做C ++的ARM的应用程序。我有我与交叉编译,编译一个应用原型,并在ARM的作品非常好。我所做的是这样的:
首先,我得到了.o文件将这样的
ARM-Linux的G ++ -c PrototipoTRU.cpp
然后,我得到这样的(我的应用程序中使用线程)中的.exe
ARM-Linux的G ++ PrototipoTRU.o -o tru2 -pthread
和一切都运行完美。
我的问题是,当我试图编译它使用了OpenCV的cpp文件。我试过:
首先,我想拿到的.o:
ARM-Linux的G ++ -c camera.cpp
这是不行的,我得到了这样的输出:
IPCamera.cpp:5:30:错误:opencv2 / opencv.hpp:没有这样的文件或目录
IPCamera.cpp:6:39:错误:opencv2 / highgui / highgui.hpp:没有这样的文件或目录
IPCamera.cpp:7:39:错误:opencv2 / imgproc / imgproc.hpp:没有这样的文件或目录
IPCamera.cpp:11:22:错误:X11 / Xlib.h:没有这样的文件或目录
IPCamera.cpp:16:错误:'简历'不是一个命名空间名
IPCamera.cpp:16:错误:之前的预期空间名';'象征
IPCamera.cpp:在函数'主INT(INT,CHAR **):
IPCamera.cpp:46:错误:'简历'尚未声明
IPCamera.cpp:46:错误:预期';'前上限
IPCamera.cpp:52:错误:显示在此范围未声明
IPCamera.cpp:52:错误:DISP在此范围中未声明
IPCamera.cpp:52:错误:'XOpenDisplay在此范围未声明
IPCamera.cpp:53:错误:'屏'在此范围未声明
IPCamera.cpp:53:错误:SCRN在此范围未声明
IPCamera.cpp:53:错误:'DefaultScreenOfDisplay在此范围未声明
IPCamera.cpp:63:错误:'简历'尚未声明
IPCamera.cpp:63:错误:预期';'前框架
IPCamera.cpp:66:错误:'简历'尚未声明
IPCamera.cpp:66:错误:'CV_WINDOW_NORMAL在此范围未声明
IPCamera.cpp:68:错误:'cvMoveWindow在此范围未声明
IPCamera.cpp:73:错误:'CV_WND_PROP_FULLSCREEN在此范围未声明
IPCamera.cpp:73:错误:'CV_WINDOW_FULLSCREEN在此范围未声明
IPCamera.cpp:73:错误:'cvSetWindowProperty在此范围未声明
IPCamera.cpp:79:错误:'帽子'在此范围未声明
IPCamera.cpp:82:错误:框架在此范围未声明
IPCamera.cpp:89:错误:'简历'尚未声明
IPCamera.cpp:92:错误:'简历'尚未声明
因此,它似乎有一些问题的联系,但是如果做到这一点:
G ++ -c IPCamera.cpp
我得到了.o文件将,但很明显,当我得到的。exe它不会在ARM工作。我不就是已了解为什么,如果我编译应用程序没有OpenCV的,就像第一个例子,臂的linux-g ++的工作propertly,当我尝试编译OpenCV的应用程序没有。
我也试过编译器是这样的:
ARM-Linux的G ++ -c IPCamera.cpp`pkg配置OpenCV的--libs --cflags`
不过是同样的结果,但如果我这样做:
G ++ -c IPCamera.cpp`pkg配置OpenCV的--libs --cflags`
它的工作原理。所以我想这是一个路径问题,但我不知道我怎样才能解决它。
有人能帮助我吗?
感谢你们
喜dennisfen这是MI文件的内容:
集(CMAKE_SYSTEM_NAME的Linux)
集(CMAKE_SYSTEM_VERSION 1)
集(CMAKE_SYSTEM_PROCESSOR ARM) 集(GCC_COMPILER_VERSION4.6CACHE STRINGGCC编译器版本) 集(FLOAT_ABI_SUFFIX) 如果(不SOFTFP)
集(FLOAT_ABI_SUFFIX高频)
万一() 集(CMAKE_C_COMPILER臂Linux的
gnueabi $ {} FLOAT_ABI_SUFFIX -gcc - $ {} GCC_COMPILER_VERSION)
集(CMAKE_CXX_COMPILER臂Linux的
gnueabi $ {} FLOAT_ABI_SUFFIX ++ -g - $ {} GCC_COMPILER_VERSION)
集(ARM_LINUX_SYSROOT的/ usr / ARM-Linux的gnueabi $ {} FLOAT_ABI_SUFFIX缓存路径ARM交叉
编译系统根) 集(CMAKE_CXX_FLAGS,CACHE STRINGC ++标志)
集(CMAKE_C_FLAGS,CACHE STRINGC标志)
集(CMAKE_SHARED_LINKER_FLAGS,CACHE STRING共享链接标志)
集(CMAKE_MODULE_LINKER_FLAGS,CACHE STRING模块连接器选项)
集(CMAKE_EXE_LINKER_FLAGS-Wl,-z,nocopyrelocCACHE STRING的可执行文件链接
标志) 集(CMAKE_CXX_FLAGS$ {} CMAKE_CXX_FLAGS -mthumb -fdata截面-Wa, - noexecstack
-fsigned-CHAR -Wno-psabi)
集(CMAKE_C_FLAGS$ {} CMAKE_C_FLAGS -mthumb -fdata截面-Wa, - noexecstack
-fsigned-CHAR -Wno-psabi) 集(CMAKE_SHARED_LINKER_FLAGS轮候册, - 修复 - Cortex-A8的轮候册, - 没有不确定轮候册, - GC-
部分-Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,现在$ {CMAKE_SHARED_LINKER_FLAGS})
集(CMAKE_MODULE_LINKER_FLAGS轮候册, - 修复 - Cortex-A8的轮候册, - 没有不确定轮候册, - GC-
部分-Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,现在$ {CMAKE_MODULE_LINKER_FLAGS})
集(CMAKE_EXE_LINKER_FLAGS轮候册, - 修复 - Cortex-A8的轮候册, - 没有不确定轮候册, - GC-
部分-Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,现在$ {CMAKE_EXE_LINKER_FLAGS})
看来你需要设置包括路径的交叉OpenCV的安装:
ARM-Linux的G ++ -I /路径/要/ OpenCV的/包括IPCamera.cpp -o tru2
你主机系统不适合你的手臂交叉工具链当你调用pkg配置它报告的设置。
Hi guys I am doing an application in c++ for ARM. I have a application prototype which I compiled with cross compilation and it works very nice in the ARM. What I did was this:
First I got the .o file like this
arm-linux-g++ -c PrototipoTRU.cpp
Then I got the .exe like this (My application use thread)
arm-linux-g++ PrototipoTRU.o -o tru2 -pthread
and everything works perfect.
My problem is when I tried to compile an .cpp file which use OpenCV. I tried that:
First I tried to got the .o:
arm-linux-g++ -c camera.cpp
That does not work, I got this output:
IPCamera.cpp:5:30: error: opencv2/opencv.hpp: No such file or directory
IPCamera.cpp:6:39: error: opencv2/highgui/highgui.hpp: No such file or directory
IPCamera.cpp:7:39: error: opencv2/imgproc/imgproc.hpp: No such file or directory
IPCamera.cpp:11:22: error: X11/Xlib.h: No such file or directory
IPCamera.cpp:16: error: 'cv' is not a namespace-name
IPCamera.cpp:16: error: expected namespace-name before ';' token
IPCamera.cpp: In function 'int main(int, char**)':
IPCamera.cpp:46: error: 'cv' has not been declared
IPCamera.cpp:46: error: expected ';' before 'cap'
IPCamera.cpp:52: error: 'Display' was not declared in this scope
IPCamera.cpp:52: error: 'disp' was not declared in this scope
IPCamera.cpp:52: error: 'XOpenDisplay' was not declared in this scope
IPCamera.cpp:53: error: 'Screen' was not declared in this scope
IPCamera.cpp:53: error: 'scrn' was not declared in this scope
IPCamera.cpp:53: error: 'DefaultScreenOfDisplay' was not declared in this scope
IPCamera.cpp:63: error: 'cv' has not been declared
IPCamera.cpp:63: error: expected ';' before 'frame'
IPCamera.cpp:66: error: 'cv' has not been declared
IPCamera.cpp:66: error: 'CV_WINDOW_NORMAL' was not declared in this scope
IPCamera.cpp:68: error: 'cvMoveWindow' was not declared in this scope
IPCamera.cpp:73: error: 'CV_WND_PROP_FULLSCREEN' was not declared in this scope
IPCamera.cpp:73: error: 'CV_WINDOW_FULLSCREEN' was not declared in this scope
IPCamera.cpp:73: error: 'cvSetWindowProperty' was not declared in this scope
IPCamera.cpp:79: error: 'cap' was not declared in this scope
IPCamera.cpp:82: error: 'frame' was not declared in this scope
IPCamera.cpp:89: error: 'cv' has not been declared
IPCamera.cpp:92: error: 'cv' has not been declared
So it seem that there is some problem with the link, however if do this:
g++ -c IPCamera.cpp
I got the .o file, but obviously when I get the .exe it does not work in the ARM . What I do not undestand is why if I compile an application without opencv, like the first example, the arm-linux-g++ works propertly and when I try to compile the openCV application no.
I tried to compiler also like this:
arm-linux-g++ -c IPCamera.cpp `pkg-config opencv --libs --cflags`
but is the same result, however if I do this:
g++ -c IPCamera.cpp `pkg-config opencv --libs --cflags`
It works. So I guess that is a path problem but I do not have idea how I can solved it.
Someone can help me??
Thank you guys
Hi dennisfen this is the content of mi file:
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(GCC_COMPILER_VERSION "4.6" CACHE STRING "GCC Compiler version")
set(FLOAT_ABI_SUFFIX "")
if (NOT SOFTFP)
set(FLOAT_ABI_SUFFIX "hf")
endif()
set(CMAKE_C_COMPILER arm-linux-
gnueabi${FLOAT_ABI_SUFFIX}-gcc-${GCC_COMPILER_VERSION})
set(CMAKE_CXX_COMPILER arm-linux-
gnueabi${FLOAT_ABI_SUFFIX}-g++-${GCC_COMPILER_VERSION})
set(ARM_LINUX_SYSROOT /usr/arm-linux-gnueabi${FLOAT_ABI_SUFFIX} CACHE PATH "ARM cross
compilation system root")
set(CMAKE_CXX_FLAGS "" CACHE STRING "c++ flags")
set(CMAKE_C_FLAGS "" CACHE STRING "c flags")
set(CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "shared linker flags")
set(CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "module linker flags")
set(CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "executable linker
flags")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mthumb -fdata-sections -Wa,--noexecstack
-fsigned-char -Wno-psabi")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mthumb -fdata-sections -Wa,--noexecstack
-fsigned-char -Wno-psabi")
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--fix-cortex-a8 -Wl,--no-undefined -Wl,--gc-
sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now ${CMAKE_SHARED_LINKER_FLAGS}")
set(CMAKE_MODULE_LINKER_FLAGS "-Wl,--fix-cortex-a8 -Wl,--no-undefined -Wl,--gc-
sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now ${CMAKE_MODULE_LINKER_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "-Wl,--fix-cortex-a8 -Wl,--no-undefined -Wl,--gc-
sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now ${CMAKE_EXE_LINKER_FLAGS}")
It seems that you need to set include path to your cross OpenCV installation:
arm-linux-g++ -I/path/to/opencv/include IPCamera.cpp -o tru2
When you call pkg-config it reports settings for you host system not for your arm cross toolchain.
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