Download x49gp-master2.zip

root> apt-get install subversion libgtk2.0-dev dosfstools

unzip x49gp-master2.zip
cd x49gp-master/
make
# gcc8 trucate error bei block-vvfat.c
gcc -O2 -Wall -Werror -Wno-stringop-truncation -g -Iinclude -Ibitmaps -Iqemu/qemu-git/target-arm -Iqemu/qemu-git -Iqemu/qemu-git/fpu -Iqemu/qemu-git/arm-softmmu -DTARGET_ARM -DX49GP -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -fno-strict-aliasing -DNEED_CPU_H -Wno-error=deprecated-declarations -pthread -I/usr/include/gtk-2.0 -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/gio-unix-2.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/fribidi -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -fno-aggressive-loop-optimizations -o block-vvfat.o -c block-vvfat.c

make
make sdcard
make config

./x49gp config