报错内容如下：

target SharedLib: libstagefright_omx (out/target/product/generic/obj/SHARED_LIBRARIES/libstagefright_omx_intermediates/LINKED/libstagefright_omx.so)
prebuilt/linux-x86/toolchain/arm-eabi-4.4.3/bin/../lib/gcc/arm-eabi/4.4.3/../../../../arm-eabi/bin/ld: out/target/product/generic/obj/SHARED_LIBRARIES/libstagefright_omx_intermediates/OMX.o: in function vtable for android::OMX:OMX.cpp(.data.rel.ro+0x488): error: undefined reference to 'android::OMX::createRenderer(android::sp<android::ISurface> const&, char const*, OMX_COLOR_FORMATTYPE, unsigned int, unsigned int, unsigned int, unsigned int, int, int, int)'
collect2: ld returned 1 exit status
make: *** [out/target/product/generic/obj/SHARED_LIBRARIES/libstagefright_omx_intermediates/LINKED/libstagefright_omx.so] Error 1