c++ - Unresolved externals on linking yaml-cpp against my project -

c++ - Unresolved externals on linking yaml-cpp against my project -

when seek link project against yaml-cpp library, unresolved externals

error 1680 error lnk2019: unresolved external symbol "class yaml::node __cdecl yaml::loadfile(class std::basic_string,class std::allocator > const &)" (?loadfile@yaml@@ya?avnode@1@abv?$basic_string@du?$char_traits@d@std@@v?$allocator@d@2@@std@@@z)

i built lib using cmake , building project 'all build'

the code simple:

#include <yaml-cpp/yaml.h> int main(int argc, char **argv) { yaml::loadfile("config.yaml"); homecoming 0; }

c++ linker yaml yaml-cpp