tce-load -i compiletc ncursesw

https://github.com/freebasic/fbc/releases/download/1.07.1/FreeBASIC-1.07.1-source-bootstrap.tar.xz

cd FreeBASIC-1.07.1-source-bootstrap

edit makefile

BOOTSTRAP_LIBS := -lncursesw -lm -pthread
CFLAGS := -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe -Wfatal-errors

edit 
src/rtlib/unix/hinit.c #include <ncursesw/termcap.h>
src/rtlib/unix/io_inkey. #include <ncursesw/termcap.h>
bootstrap/linux-x86/fbc.asm ncurses -> ncursesw
src/compiler/fbc.bas ncurses -> ncursesw

make bootstrap-minimal [0m 37.01s]