Error with Jetson Nano

[TacHuynh]

When doing a make, I got this error on Jetson Nano.

Scanning dependencies of target jetson-reinforcement
[ 40%] Building CXX object CMakeFiles/jetson-reinforcement.dir/c/aiAgent.cpp.o
[ 42%] Building CXX object CMakeFiles/jetson-reinforcement.dir/c/dqnAgent.cpp.o
[ 44%] Building CXX object CMakeFiles/jetson-reinforcement.dir/c/pyTensor.cpp.o
In file included from /home/jetbot/jetson-reinforcement/c/pyTensor.cpp:6:0:
/home/jetbot/jetson-reinforcement/c/pyTorch.h:15:10: fatal error: THC/THC.h: No such file or directory
#include <THC/THC.h>
^~~~~~~~~~~
compilation terminated.
CMakeFiles/jetson-reinforcement.dir/build.make:117: recipe for target 'CMakeFiles/jetson-reinforcement.dir/c/pyTensor.cpp.o' failed
make[2]: *** [CMakeFiles/jetson-reinforcement.dir/c/pyTensor.cpp.o] Error 1
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/jetson-reinforcement.dir/all' failed
make[1]: *** [CMakeFiles/jetson-reinforcement.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2
jetbot@jetbot:~/jetson-reinforcement/build$

[bmwshop]

Same problem on TX2 with jetpack 4.2.

note that I had to apt install -y libboost-all-dev qt4-default to first get to get past other errors on the tx2