Using the library

In short, you need these includes to use TFHE

#include <tfhe/tfhe.h>
#include <tfhe/tfhe_io.h>

And you need to link your program with -ltfhe-spqlios-fma (provided that you compiled the SPQLIOS_FMA version of tfhe)

All the external API use C naming convention, which means that you can use any language to code your functions (C, C++, Fortran, …) and do separate compilation with the corresponding compiler (gcc, g++, g77, …).

More details

To use the library, you need to tell your compiler how to find the recently installed library and headers. If you are using gcc/g++, you can do it on the current shell by setting these environment variables.

#configure environment variables
TFHE_PREFIX=/usr/local #the prefix where you installed tfhe

To make these changes persistent, you may define these variables in your .bashrc or .profile file.

To compile a C++ file on the terminal that knows these environment variables, you can do

# compile a c++ source code
g++ your-program.cpp -o your-program -ltfhe-spqlios-fma 

If you have a C source file, you can do:

# compile a c source code
gcc your-program.c -o -ltfhe-spqlios-fma