FFTW使用遇错。求大神指导，感谢！

[hie_mey]

使用Intel众核协处理器MIC调用FFTW，编译能够通过，只是有几个warnning。但是运行时候出现以下提示：
[root@mic-server ~]# ./fftw
Allocate array for input data
On the remote process, dlopen() failed. The error message sent back from the sink is /var/volatile/tmp/coi_procs/1/4705/load_lib/iccout67t7X3: undefined symbol: output
On the sink, dlopen() returned NULL. The result of dlerror() is "/var/volatile/tmp/coi_procs/1/4705/load_lib/iccout67t7X3: undefined symbol: output"
offload error: cannot load library to the device 0 (error code 20)

请问是什么原因呢？难道是init,very 和output三个函数没有定义？那么在fftw中应该怎样编写这3个函数呢？应该主要是调用FFTW库中的函数吧，自己编写的是不是不多？
附上我的warnning信息：
fftw.c(76): warning #127: expected a statement
}
^

fftw.c(7): warning #2637: static function "init" treated as extern because it was referenced but not defined
__attribute__((target(mic)))static void init(fftwf_complex *x,int N,int H,fftwf_complex *x_host);
^

fftw.c(8): warning #2637: static function "verify" treated as extern because it was referenced but not defined
__attribute__((target(mic)))static int verify(fftwf_complex *x,int N,int H);
^

fftw.c(76): warning #127: *MIC* expected a statement
}
^

fftw.c(7): warning #2637: *MIC* static function "init" treated as extern because it was referenced but not defined
__attribute__((target(mic)))static void init(fftwf_complex *x,int N,int H,fftwf_complex *x_host);
^

fftw.c(8): warning #2637: *MIC* static function "verify" treated as extern because it was referenced but not defined
__attribute__((target(mic)))static int verify(fftwf_complex *x,int N,int H);