[英]Makefile opencv stopped working
对于使用opencv的项目,我具有以下Makefile
CFLAGS = `pkg-config --cflags opencv`
LIBS = `pkg-config --libs opencv`
% : %.cpp
g++ $(CFLAGS) -o $@ $< $(LIBS)
直到最近,这一切都很好。 我现在收到以下错误:
/usr/bin/ld: cannot find -lcufft
/usr/bin/ld: cannot find -lnpps
/usr/bin/ld: cannot find -lnppi
/usr/bin/ld: cannot find -lnppc
/usr/bin/ld: cannot find -lcudart
pkg-config --libs opencv
输出:
/usr/local/lib/libopencv_calib3d.so
/usr/local/lib/libopencv_contrib.so
/usr/local/lib/libopencv_core.so
/usr/local/lib/libopencv_features2d.so
/usr/local/lib/libopencv_flann.so
/usr/local/lib/libopencv_gpu.so
/usr/local/lib/libopencv_highgui.so
/usr/local/lib/libopencv_imgproc.so
/usr/local/lib/libopencv_legacy.so
/usr/local/lib/libopencv_ml.so
/usr/local/lib/libopencv_nonfree.so
/usr/local/lib/libopencv_objdetect.so
/usr/local/lib/libopencv_ocl.so
/usr/local/lib/libopencv_photo.so
/usr/local/lib/libopencv_stitching.so
/usr/local/lib/libopencv_superres.so
/usr/local/lib/libopencv_ts.a
/usr/local/lib/libopencv_video.so
/usr/local/lib/libopencv_videostab.so
/usr/lib/x86_64-linux-gnu/libXext.so
/usr/lib/x86_64-linux-gnu/libX11.so
/usr/lib/x86_64-linux-gnu/libICE.so
/usr/lib/x86_64-linux-gnu/libSM.so
/usr/lib/libGL.so
/usr/lib/x86_64-linux-gnu/libGLU.so
-lcufft -lnpps -lnppi -lnppc -lcudart -ltbb -lrt -lpthread -lm -ldl
我已经将cuda库路径导出到LD_LIBRARY_PATH
:
echo $LD_LIBRARY_PATH
/usr/local/cuda-5.5/lib64
此路径确实包含以下库:
ls $LD_LIBRARY_PATH
libcublas_device.a libcudart.so.5.0 libcufftw.so libcurand.so.5.5 libnppc.so.5.5.22 libnvToolsExt.so
libcublas.so libcudart.so.5.5 libcufftw.so.5.5 libcurand.so.5.5.22 libnppi.so libnvToolsExt.so.1
libcublas.so.5.0 libcudart.so.5.5.22 libcufftw.so.5.5.22 libcusparse.so libnppi.so.5.5 libnvToolsExt.so.1.0.0
libcublas.so.5.5 libcudart_static.a libcuinj64.so libcusparse.so.5.5 libnppi.so.5.5.22
libcublas.so.5.5.22 libcufft.so libcuinj64.so.5.5 libcusparse.so.5.5.22 libnpps.so
libcudadevrt.a libcufft.so.5.5 libcuinj64.so.5.5.22 libnppc.so libnpps.so.5.5
libcudart.so libcufft.so.5.5.22 libcurand.so libnppc.so.5.5 libnpps.so.5.5.22
但是我仍然得到错误。 我运行opencv 2.4.9和cuda 5.5。 我忘记了什么?
LD_LIBRARY_PATH
用于运行时。 对于编译,您需要使用LIBRARY_PATH
。 您可以将/usr/local/cuda-5.5/lib64
导出到LIBRARY_PATH
或者在Makefile中添加LIBS
的路径:
LIBS += -L/usr/local/cuda-5.5/lib64
我现在这样做了: g++ -L /usr/local/cuda-5.5/lib64 pkg-config --cflags opencv -o writeFramesMainSimple writeFramesMainSimple.cpp pkg-config --libs opencv
,它起作用了!
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