galileo gen2 opencv with C problem

i Download intel iotdk v1.1 , they have opencv gcc g++ ......

but i Compile it,have a error.

root@quark01a89e:~/C# g++ aaa.c `pkg-config --cflags --libs opencv` -o aaa

/usr/lib/gcc/i586-poky-linux/4.8.2/../../../../i586-poky-linux/bin/ld: cannot find -lopencv_ts

collect2: error: ld returned 1 exit status

how to slove?

thanks