satpowers

I am new and want to build my image for DM800. everything going OK till I get the following error. Can I get some help?

gdi/fblcd.cpp: In member function 'int eFbLCD::setMode(int, int, int)':
gdi/fblcd.cpp:147: warning: comparison between signed and unsigned integer expressions
gdi/fblcd.cpp:147: warning: comparison between signed and unsigned integer expressions
gdi/fblcd.cpp:147: warning: comparison between signed and unsigned integer expressions
gdi/fblcd.cpp: In member function 'virtual int eFbLCD::waitVSync()':
gdi/fblcd.cpp:177: error: 'FBIO_WAITFORVSYNC' was not declared in this scope
make[4]: *** [gdi/fblcd.o] Error 1
make[4]: Leaving directory `/home/ibk/openpli/build-dm800/tmp/work/dm800-oe-linux/enigma2-2.7+git0+c6061e6215b69376a7eb91a2fb2f19ddb7ac7ee4-r36/git/lib'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/ibk/openpli/build-dm800/tmp/work/dm800-oe-linux/enigma2-2.7+git0+c6061e6215b69376a7eb91a2fb2f19ddb7ac7ee4-r36/git/lib'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/ibk/openpli/build-dm800/tmp/work/dm800-oe-linux/enigma2-2.7+git0+