我已经使用通过macports安装的opencv编译了代码。但是，在运行我的makefile时，我得到

ld: warning: in /opt/local/lib/libopencv_core.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_imgproc.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_highgui.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_ml.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_video.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_features2d.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_calib3d.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_objdetect.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_contrib.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_legacy.dylib, file was built for unsupported file format which is not the architecture being linked (i386)
ld: warning: in /opt/local/lib/libopencv_flann.dylib, file was built for unsupported file format which is not the architecture being linked (i386)

最佳答案

问题是您正在为一种体系结构(可能是x86_64，即Intel 64位)编译代码，并且要求macport用i386体系结构(即32位)构建。

因此，您需要更改一个或另一个。

1)更改代码-将-arch x86_64添加到编译规则中gcc的选项中。

2)卸载macports，然后重新安装，然后在macports.conf文件中选择所需的build_arch，并检查应该同时默认为两者的Universal_archs。

https://stackoverflow.com/questions/6299656/