Install libsfgcc-6-dev-armhf-cross by entering the following commands in the terminal:
sudo apt update sudo apt install libsfgcc-6-dev-armhf-cross
Description:
GCC support library (soft float ABI development files)
This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
Homepage: http://gcc.gnu.org/
Version: 6.4.0-17ubuntu1cross1
Section: universe/libdevel