mono 2-10 compile error

gistfile1.txt

make[4]: Entering directory `/home/tomek/projekty/not_my_projects/mono_readonly/mono/mono/utils'
make[4]: Nothing to be done for `all-am'.
make[4]: Leaving directory `/home/tomek/projekty/not_my_projects/mono_readonly/mono/mono/utils'
make[3]: Leaving directory `/home/tomek/projekty/not_my_projects/mono_readonly/mono/mono/utils'
Making all in io-layer
make[3]: Entering directory `/home/tomek/projekty/not_my_projects/mono_readonly/mono/mono/io-layer'
CC	io.lo
io.c: In function ‘GetDriveTypeFromPath’:
io.c:3925: error: storage size of ‘buf’ isn’t known
io.c:3927: warning: implicit declaration of function ‘statfs’
io.c:3927: warning: nested extern declaration of ‘statfs’
io.c:3925: warning: unused variable ‘buf’
io.c: In function ‘GetVolumeInformation’:
io.c:4009: error: storage size of ‘stat’ isn’t known
io.c:4009: warning: unused variable ‘stat’
make[3]: *** [io.lo] Error 1
make[3]: Leaving directory `/home/tomek/projekty/not_my_projects/mono_readonly/mono/mono/io-layer'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/tomek/projekty/not_my_projects/mono_readonly/mono/mono'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/tomek/projekty/not_my_projects/mono_readonly/mono'
make: *** [all] Error 2