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  • C++ Can'；使用命令行的t链接库（错误LNK2019）

C++ Can'；使用命令行的t链接库（错误LNK2019）

c++ command-line linker

C++ Can'；使用命令行的t链接库（错误LNK2019）,c++,command-line,linker,cl,C++,Command Line,Linker,Cl,我正在尝试使用cl.exe编译器手动编译包含GLFW和GLEW的项目。 链接.lib文件时遇到问题。链接器似乎忽略了/LIBPATH。我添加了/VERBOSE:LIB以查看链接器正在搜索什么 命令 cl src/main.cpp /I include /link /LIBPATH:C:\Users\user\Desktop\C++\VSCode1\lib /VERBOSE:LIB 输出 /out:main.exe /LIBPATH:C:\Users\yuryi\Desktop\C++\VSCo

我正在尝试使用cl.exe编译器手动编译包含GLFW和GLEW的项目。 链接.lib文件时遇到问题。链接器似乎忽略了/LIBPATH。我添加了/VERBOSE:LIB以查看链接器正在搜索什么

命令

cl src/main.cpp /I include /link /LIBPATH:C:\Users\user\Desktop\C++\VSCode1\lib /VERBOSE:LIB
输出

/out:main.exe
/LIBPATH:C:\Users\yuryi\Desktop\C++\VSCode1\lib
/VERBOSE:LIB
main.obj

Searching libraries
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libcpmt.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\LIBCMT.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\OLDNAMES.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\uuid.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\kernel32.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libvcruntime.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\ucrt\x86\libucrt.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libcpmt.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\LIBCMT.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\OLDNAMES.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\uuid.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\kernel32.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libvcruntime.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\ucrt\x86\libucrt.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libcpmt.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\LIBCMT.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\OLDNAMES.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\uuid.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\kernel32.lib:

Finished searching libraries

Searching libraries
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libcpmt.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\LIBCMT.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\OLDNAMES.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\uuid.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\kernel32.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libvcruntime.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\ucrt\x86\libucrt.lib:

Finished searching libraries

Searching libraries
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libcpmt.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\LIBCMT.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\OLDNAMES.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\uuid.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\um\x86\kernel32.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libvcruntime.lib:
    Searching C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\ucrt\x86\libucrt.lib:
    Searching C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.27.29110\lib\x86\libcpmt.lib:

Finished searching libraries

... and a lot of error LNK2019 unresolved external symbol
通过在命令中添加glfw3.lib和glew32.lib修复了此问题

cl main.cpp glfw3.lib glew32.lib /I include /link /LIBPATH:C:\Users\user\Desktop\C++\VSCode
您没有链接到任何特定的库。仅指定具有某些库的路径并不会指示链接器尝试该文件夹中的所有库。您实际在哪里指定要链接的库？链接器不会神奇地知道如何查看libglew.lib之类的东西，你必须告诉它。是的，我不知道你必须在cl参数中指定lib，而不是链接器选项。