test cases/cmake/6 object library no dep/subprojects/cmObjLib/libA.hpp

#pragma once

#include <string>

#if defined _WIN32 || defined __CYGWIN__
  #define DLL_PUBLIC __declspec(dllexport)
#else
  #if defined __GNUC__
    #define DLL_PUBLIC __attribute__ ((visibility("default")))
  #else
    #pragma message ("Compiler does not support symbol visibility.")
    #define DLL_PUBLIC
  #endif
#endif

std::string DLL_PUBLIC getLibStr();