Hello! During build OsmocomBB I have problem. When I do "make", I get errors:  *** No rule to make target `geo.c', needed by `geo.o'.  Stop.

vgsm@vgsm:~/osmocom/osmocombb/src$ make nofirmware
make -C host/layer23
make[1]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23'
Making all in include
make[2]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include'
Making all in osmocom
make[3]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom'
Making all in bb
make[4]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb'
Making all in common
make[5]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb/common'
make[5]: Nothing to be done for `all'.
make[5]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb/common'
Making all in misc
make[5]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb/misc'
make[5]: Nothing to be done for `all'.
make[5]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb/misc'
Making all in mobile
make[5]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb/mobile'
make[5]: Nothing to be done for `all'.
make[5]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb/mobile'
make[5]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb'
make[5]: Nothing to be done for `all-am'.
make[5]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb'
make[4]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom/bb'
make[4]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom'
make[4]: Nothing to be done for `all-am'.
make[4]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom'
make[3]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include/osmocom'
make[3]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include'
make[3]: Nothing to be done for `all-am'.
make[3]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include'
make[2]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/include'
Making all in src
make[2]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/src'
Making all in common
make[3]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/src/common'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/src/common'
Making all in misc
make[3]: Entering directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/src/misc'
make[3]: *** No rule to make target `geo.c', needed by `geo.o'.  Stop.
make[3]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/src/misc'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/vgsm/osmocom/osmocombb/src/host/layer23'
make: *** [layer23] Error 2
vgsm@vgsm:~/osmocom/osmocombb/src$