Eclipse - undefined reference to mvnc

Eclipse - undefined reference to mvnc

1. Build Failed

**** Incremental Build of configuration Debug for project webcam_NCS ****
make all 
Building target: webcam_NCS
Invoking: GCC C++ Linker
......
undefined reference to `mvncGetDeviceName'
undefined reference to `mvncOpenDevice'
undefined reference to `mvncCloseDevice'
undefined reference to `mvncAllocateGraph'
undefined reference to `mvncDeallocateGraph'
undefined reference to `mvncLoadTensor'
undefined reference to `mvncGetResult'
......

2. Build Project
Project -> Properties -> C/C++ Build -> Settings -> GCC C++ Linker -> Libraries
Libraries (-l): mvnc
Library search path (-L)

mvnc 庫不是 Linux 系統默認的庫,連接時需要使用 mvnc。
源文件要包含頭文件 #include <mvnc.h>,在編譯中要加 -lmvnc 參數。

在這裏插入圖片描述

3. Build Project

4. compile.sh

#!/bin/bash

VIDEOIO=`pkg-config --libs opencv | grep "lopencv_videoio"`
if [ "$VIDEOIO" == "" ]
then
    echo "no videoio library"
    g++ -std=c++11 cpp/gender_age_lbp.cpp cpp/fp16.c -o cpp/gender_age_lbp -L/usr/local/lib -lmvnc -lopencv_core -lopencv_imgproc -lopencv_highgui -lopencv_objdetect
else
    echo "found videoio library"
    g++ -std=c++11 cpp/gender_age_lbp.cpp cpp/fp16.c -o cpp/gender_age_lbp -L/usr/local/lib -lmvnc -lopencv_core -lopencv_imgproc -lopencv_highgui -lopencv_objdetect -lopencv_videoio
fi
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