Question

我具有以下目录结构：

   ├── CMakeLists.txt
   ├── main.cpp
   ├── libusb
   │   ├── lubusb.h
   │   ├── libusb-1.0.def
   │   └── libusb-1.0.a

libusb / libusb-1.0.a的转储文件：

File Type: LIBRARY

摘要

     DB0 .bss
     350 .data
      40 .drectve
     CFC .pdata
    7060 .rdata
      20 .rdata$.refptr.INVALID_WINFD
      20 .rdata$.refptr.pCancelIoEx
      10 .rdata$.refptr.usbdk_backend
      30 .rdata$.refptr.usbi_backend
      20 .rdata$.refptr.usbi_default_context
      10 .rdata$.refptr.windows_version
      10 .rdata$.refptr.winusb_backend
     160 .rdata$zzz
     488 .rsrc
   132F0 .text
       0 .text.unlikely
    1090 .xdata

然后将以下内容写入CMakeLists.txt：

cmake_minimum_required(VERSION 2.8)
project(untitled1)

set(CMAKE_CXX_STANDARD 11)

set(SOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp)
add_executable(untitled1 ${SOURCE_FILES})
target_link_libraries(untitled1 ${CMAKE_CURRENT_SOURCE_DIR}/libusb/libusb-1.0.a)

main.cpp的代码：

#include <iostream>
#include "libusb/libusb.h"

int main() {
    libusb_init(NULL);

    std::cout << "Hello, World!" << std::endl;

    return 0;
}

结果是，我得到了未定义的参考：

CMakeFiles\untitled1.dir/objects.a(main.cpp.obj): In function `main':
C:/.../untitled1/main.cpp:5: undefined reference to `libusb_init@4'
collect2.exe: error: ld returned 1 exit status
mingw32-make.exe[3]: *** [untitled1.exe] Error 1
mingw32-make.exe[2]: *** [CMakeFiles/untitled1.dir/all] Error 2
mingw32-make.exe[1]: *** [CMakeFiles/untitled1.dir/rule] Error 2
mingw32-make.exe: *** [untitled1] Error 2

我在做错什么吗有人可以帮忙吗？

C ++ CMake：未定义参考。 libusb

0 个答案: