Nsight Eclipse Lib import

I use Nsight Eclipse to build one sample code, it gives such error:

03:09:02 **** Incremental Build of configuration Debug for project sample02_host ****
make all
Building target: sample02_host
Invoking: GCC C++ Linker
g++ -L/usr/local/driveworks-0.3/targets/x86_64-linux/lib -o “sample02_host” ./src/sample02_host.o -llibdriveworks.so
/usr/bin/ld: cannot find -llibdriveworks.so
collect2: error: ld returned 1 exit status
make: *** [sample02_host] Error 1

I checked, the libdriveworks.so is at the right location. anything I did wrong? thanks

jd