zoulinbo 发表于 2013-9-9 19:30:18

OpenCV2.4.3编译出错。。。。急急急

本帖最后由 zoulinbo 于 2013-10-4 03:40 编辑

file:///c:/DOCUME~1/ADMINI~1/APPLIC~1/360se6/USERDA~1/Temp/360%E8~1.JPG编译OpenCV2.4.3出错。。。。。。。PC版编译通过。。。当交叉编译的时候就错了。。。。
[ 25%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/algorithm.cpp.obj
[ 25%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/gpumat.cpp.obj
[ 25%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/opengl_interop.cpp.obj
[ 25%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/persistence.cpp.obj
[ 25%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/convert.cpp.obj
Linking CXX shared library ../../lib/libopencv_core.so
/opt/EmbedSky/4.4.6/lib/gcc/arm-embedsky-linux-gnueabi/4.4.6/../../../../arm-embedsky-linux-gnueabi/bin/ld: ../../3rdparty/lib/libzlib.a(inflate.c.obj): relocation R_ARM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object; recompile with -fPIC
../../3rdparty/lib/libzlib.a: could not read symbols: Bad value
collect2: ld returned 1 exit status
make: *** 错误 1
make: *** 错误 2
make: *** 错误 2



急急急。。。。。。。。。。。。。。。

zoulinbo 发表于 2013-9-11 14:45:43

天嵌_support1 发表于 2013-9-10 14:45 static/image/common/back.gif
进入opencv目录下的3rdparty的对应目录CMakeFiles/ *.dir下,打开flags.make,在C_FLAGS = 后添加-O3 -fPIC ...

额。。。里面就没有 CXX_FLAGS 这一项啊。。。。能不能给一个具体的文档啊?????问题好多啊。。。。

天嵌_support1 发表于 2013-9-10 14:45:01

进入opencv目录下的3rdparty的对应目录CMakeFiles/ *.dir下,打开flags.make,在C_FLAGS = 后添加-O3 -fPIC,用来支持在64位机上编译
如../3rdparty/zlib/CMakeFiles/zlib.dir/flags.make
修改C_FLAGS =-W -Wall 为 C_FLAGS =-O3 -fPIC-W -Wall

修改CXX_FLAGS =-W -Wall 为 C_FLAGS =-O3 -fPIC-W -Wall

zoulinbo 发表于 2013-9-11 16:17:31

天嵌_support1 发表于 2013-9-10 14:45 static/image/common/back.gif
进入opencv目录下的3rdparty的对应目录CMakeFiles/ *.dir下,打开flags.make,在C_FLAGS = 后添加-O3 -fPIC ...

解决了。。。谢谢
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