On Fri, 2020-02-07 at 00:33 +0530, Danishka Navin wrote: > Hi, > > I am new to eclipse and opencv and I was trying to build a sample c++ > code using Eclipse. > > I have installed following packages. > rpm -qa | grep opencv > opencv-devel-3.4.4-10.fc30.x86_64 > opencv-3.4.4-10.fc30x86_64 > opencv-core-3.4.4-10.fc30.x86_64 > opencv-contrib-3.4.4-10.fc30x86_64 > > > > > 00:29:09 **** Incremental Build of configuration Debug for project > sample **** > make all > Building target: sample > Invoking: GCC C++ Linker > g++ -L/usr/lib64/ -L/usr/lib/ -o "sample" ./main.o > -llibopencv_core.so.3.4 -llibopencv_core.so.3.4.4 > -llibopencv_highgui.so.3.4 -llibopencv_highgui.so.3.4.4 > /usr/bin/ld: cannot find -llibopencv_core.so.3.4 > /usr/bin/ld: cannot find -llibopencv_core.so.3.4.4 > /usr/bin/ld: cannot find -llibopencv_highgui.so.3.4 > /usr/bin/ld: cannot find -llibopencv_highgui.so.3.4.4 > collect2: error: ld returned 1 exit status > make: *** [makefile:46: sample] Error 1 > "make all" terminated with exit code 2. Build might be incomplete. > > 00:29:10 Build Failed. 5 errors, 0 warnings. (took 419ms) > > > $ locate opencv_core.so.3.4 > /usr/lib64/libopencv_core.so.3.4 > /usr/lib64/libopencv_core.so.3.4.4 > > I have already added /usr/lib64/ and /usr/lib/ as library search > paths in eclipse. > > Is there anything missing in my config? > > Regards, > -- > Danishka Navin > I haven't done this in a while, but there were some changes to bash environment I seem to remember. Either LIBRARY_PATH or LD_LIBRARY_PATH or something similar. I've completely rebuilt my system since then, so I don't have the old bashrc to check. But the opencv stuff documents it on their webpage I think.
REgards, Les H
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