asf/mp4 not enable

[Andrei]

Hi, tag-lib developers, can you explain me how to enable asf and mp4,
i cant do it because i get error when i try to compile it, look at
error below:

Prebuilt       : libstlport_shared.so <=
<NDK>/sources/cxx-stl/stlport/libs/armeabi/
SharedLibrary  : libtag.so
./obj/local/armeabi/objs/tag/taglib/fileref.o: In function
`TagLib::FileRef::create(char const*, bool,
TagLib::AudioProperties::ReadStyle)':
C:\Users\ANDREI\workspace\taglibbuild/jni/taglib-1.7.2/taglib/fileref.cpp:251:
undefined reference to `TagLib::MP4::File::File(char const*, bool,
TagLib::AudioProperties::ReadStyle)'
C:\Users\ANDREI\workspace\taglibbuild/jni/taglib-1.7.2/taglib/fileref.cpp:255:
undefined reference to `TagLib::ASF::File::File(char const*, bool,
TagLib::AudioProperties::ReadStyle)'
collect2: ld returned 1 exit status
/cygdrive/c/Dev/SDKs/android-ndk-r8/build/core/build-binary.mk:369:
recipe for target `obj/local/armeabi/libtag.so' failed

Can you help me to enable mp4 and asf, please, i will hope.