make编译错误

/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `dlclose@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `dlopen@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `dladdr@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `dlsym@GLIBC_2.17'
缺少libdl.so所致,makefile中添加-ldl即可

/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `logf@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `sin@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `atanf@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `log10@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `acosf@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `log@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `sincos@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `exp@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `sqrtf@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `pow@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `sqrt@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `cos@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `lrint@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `acos@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `lrintf@GLIBC_2.17'
/home/zqh/Project/zpl02_r818/out/r818-zpl02/staging_dir/target/usr/lib/libopencv_core.so: undefined reference to `sinf@GLIBC_2.17'

缺少libm.so所致,makefile中添加-lm即可

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