你好，请问一下在执行的时候 openmp 报非法：invalid flag in #cgo LDFLAGS: -fopenmp
您在使用的时候没遇到吗？如何解决呢

在src/github.com/bububa/xgboost-go/example下编译，报了这么多错，如何解决啊?
[example]$ go build

github.com/bububa/xgboost-go/xgboost

../xgboost/../lib/libxgboost.a(c_api.o): In function _Z17prefixsum_inplacePmm._omp_fn.2': c_api.cc:(.text+0x79f): undefined reference to __cxa_throw_bad_array_new_length'
../xgboost/../lib/libxgboost.a(c_api.o): In function prefixsum_inplace(unsigned long*, unsigned long)': c_api.cc:(.text+0x1535): undefined reference to GOMP_parallel'
../xgboost/../lib/libxgboost.a(c_api.o): In function XGDMatrixCreateFromMat_omp': c_api.cc:(.text+0xe240): undefined reference to GOMP_parallel'
c_api.cc:(.text+0xe645): undefined reference to GOMP_parallel' ../xgboost/../lib/libxgboost.a(c_api.o): In function XGDMatrixCreateFromCSCEx':
c_api.cc:(.text+0xeed6): undefined reference to GOMP_parallel' c_api.cc:(.text+0xf209): undefined reference to GOMP_parallel'
../xgboost/../lib/libxgboost.a(data.o): In function xgboost::data::SparsePage::Format::DecideFormat(std::string const&)': data.cc:(.text+0xb52): undefined reference to std::__throw_out_of_range_fmt(char const*, ...)'
data.cc:(.text+0xb67): undefined reference to std::__throw_out_of_range_fmt(char const*, ...)' ../xgboost/../lib/libxgboost.a(data.o): In function xgboost::DMatrix::Load(std::string const&, bool, bool, std::string const&)':
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