Не могу сконфигурировать mp4v2 для MCU Media Server

/bin/bash ./libtool –tag=CXX –mode=compile g++

-DHAVE_CONFIG_H -I./include -I./include -I. -I. -Wall -Wformat

-g -O2 -fvisibility=hidden -c -o src/mp4track.lo src/mp4track.cpp

libtool: compile: g++ -DHAVE_CONFIG_H -I./include -I./include

-I. -I. -Wall -Wformat -g -O2 -fvisibility=hidden -c

src/mp4track.cpp -fPIC -DPIC -o src/.libs/mp4track.o

src/mp4track.cpp:911:8: warning: identifier ‘nullptr’ is a

keyword in C++11 [-Wc++0x-compat]

    if ( pFtypAtom == nullptr )
    ^

src/mp4track.cpp: In member function ‘mp4v2::platform::io::File*

mp4v2::impl::MP4Track::GetSampleFile(MP4SampleId)’:

src/mp4track.cpp:911:26: error: ‘nullptr’ was not declared in

this scope

    if ( pFtypAtom == nullptr )
                      ^

src/mp4track.cpp:918:23: warning: unused variable ‘majorBrand’

[-Wunused-variable]

       const char *majorBrand = 

pFtypAtom->majorBrand.GetValue(); ^ GNUmakefile:1318: recipe for target ‘src/mp4track.lo’ failed

make: *** [src/mp4track.lo] Error 1

root@ubuntu:/usr/local/src/mp4v2#