问题描述
我在 C++ 中使用普通的 Boost.NumPy 函数,如 ndarray::get_data(),我收到“对未解析的外部符号的引用”错误。 .lib 是链接的,我没有办法解决这个错误。
我使用的是 Boost 1.74。
#include<boost/python/numpy.hpp>
using namespace boost;
void func(python::object _obj)
{
python::numpy::ndarray my_ndarray = python::extract<boost::python::numpy::ndarray>(_obj.attr("Member_01"));
char* data = my_ndarray.get_data();
}
BOOST_PYTHON_MODULE(ogwa_acc)
{
python::def("func",func);
}
那是未解析的符号之一:""__declspec(dllimport) public: char * __cdecl boost::python::numpy::ndarray::get_data(void)const " (_imp?get_data@ndarray@numpy@python@boost@@QEBAPEADXZ)"
我使用的是普通的 Visual Studio 链接器,这是我的链接器配置:
/OUT:"D:\othelloGame_withAI\x64\Debug\ogwa_acc.pyd" /MANIFEST /NXCOMPAT
/PDB:"D:\othelloGame_withAI\x64\Debug\ogwa_acc.pdb" /DYNAMICBASE
"boost_numpy38-vc142-mt-gd-x64-1_74.lib" "boost_numpy38-vc142-mt-x64-1_74.lib"
"boost_python38-vc142-mt-gd-x64-1_74.lib" "boost_python38-vc142-mt-x64-
1_74.lib" "kernel32.lib" "user32.lib" "gdi32.lib" "winspool.lib" "comdlg32.lib"
"advapi32.lib" "shell32.lib" "ole32.lib" "oleaut32.lib" "uuid.lib" "odbc32.lib"
"odbccp32.lib" /IMPLIB:"D:\othelloGame_withAI\x64\Debug\ogwa_acc.lib" /DEBUG
/DLL /MACHINE:X64 /INCREMENTAL
/PGD:"D:\othelloGame_withAI\x64\Debug\ogwa_acc.pgd" /SUBSYstem:CONSOLE
/MANIFESTUAC:"level='asInvoker' uiAccess='false'"
/ManifestFile:"x64\Debug\ogwa_acc.pyd.intermediate.manifest"
/ERRORREPORT:PROMPT /NOlogo /LIBPATH:"C:\Program Files\python38\libs"
/LIBPATH:"D:\othelloGame_withAI\Third-Party\boost_1_74_0\finished_libs" /TLBID:1
D:\othelloGame_withAI\Third-Party\boost_1_74_0\finished_libs
是以下位置:
boost_numpy38-vc142-mt-gd-x64-1_74.lib; boost_python38-vc142-mt-gd-x64-
1_74.lib; boost_numpy38-vc142-mt-x64-1_74.lib;
boost_python38-vc142-mt-x64-1_74.lib
解决方法
在这里问你可能会更幸运:https://github.com/boostorg/python/issues