Add header only library

[SuperKlever]

I downloaded the header only library (NumCpp) and now I have the /include directory. The library folder is located in the same directory as my .ipynb file.
I'm trying to add add library to include path, however it doesn't seem to work.

#pragma cling add_include_path("/NumCpplib/include")
#include "NumCpplib/include/NumCpp.hpp"

After running this code, I get the classic error that the path to the library was not found.

./NumCpplib/include/NumCpp/Coordinates.hpp:30:10: fatal error: 'NumCpp/Coordinates/Cartesian.hpp' file not found

What am I doing wrong?

[Juno070]

I am also experiencing some issues when specifying paths to library files. It has worked well up until the point where I attempt to use nonstandard libraries.

Platform: Linux Ubuntu 22.04.5 LTS x86_64
Environment: Miniconda created conda environment (using conda create --prefix ./cling_env -y) with xeus-cling and jupyter lab installed from the conda-forge channel

Example One:
#pragma cling add_include_path("/usr/include/wolfssl")
#pragma cling add_include_path("/usr/include/wolfssl/wolfcrypt")
#pragma cling add_library_path("/usr/lib/x86_64-linux-gnu")
#pragma cling load("libwolfssl.so")
#pragma cling load("libwolfssl.so.32")
#pragma cling load("libwolfssl.so.32.0.0")

#include <options.h>
#include <sha.h>
#include

Error One:
In file included from input_line_8:2:
/usr/include/wolfssl/wolfcrypt/sha.h:30:10: fatal error: 'wolfssl/wolfcrypt/types.h' file not found
#include <wolfssl/wolfcrypt/types.h>
^~~~~~~~~~~~~~~~~~~~~~~~~~~
Interpreter Error:

Example Two:
#pragma cling add_include_path("/usr/include/botan-2/botan")
#pragma cling add_library_path("/usr/lib/x86_64-linux-gnu")
#pragma cling load("libbotan-2.so")
#pragma cling load("libbotan-2.so.19")
#pragma cling load("libbotan-2.so.19.19.1")

#include <auto_rng.h>
#include <hash.h>
#include
#include

Error Two:
In file included from input_line_12:1:
/usr/include/botan-2/botan/auto_rng.h:11:10: fatal error: 'botan/rng.h' file not found
#include <botan/rng.h>
^~~~~~~~~~~~~

Note: Notice how it is not asking for any of the includes that I have explicitly declared, it is asking for other (types.h and rng.h) related include that is in the same location and exists. And even if I explicitly declare this include, it still fails.

Troubleshooting Attempts:
*Using echo | gcc -v -E -x c++ - to see where the compiler looks for files. I noticed that none of the include and lib paths of the created conda environment were listed, instead it seems to be using the system's files. I ran this with the conda environment activated, so it should be reflecting the behavior of the environments gcc, right?
*Moving the files didn't help. It just seems to be ignoring or unable to recognize the files.
*Using export CPLUS_INCLUDE_PATH, LIBRARY_PATH, and LD_LIBRARY_PATH in the ~/.bashrc or in the conda activate.d (this caused any code executed within jupyter to fail, so I removed them).