Closed aburlot closed 7 months ago
Hi, I am using Ubuntu 20.04 with libyaml-cpp-dev (version 0.6.2-4ubuntu1).
I try to compile this simple example
#include <iostream> #include <yaml-cpp/yaml.h> int main() { try { // Load YAML file YAML::Node config = YAML::LoadFile("example.yaml"); // Access values in YAML file std::string name = config["name"].as<std::string>(); int age = config["age"].as<int>(); std::string city = config["city"].as<std::string>(); // Print parsed values std::cout << "Name: " << name << std::endl; std::cout << "Age: " << age << std::endl; std::cout << "City: " << city << std::endl; } catch (const YAML::Exception& e) { std::cerr << "Error parsing YAML: " << e.what() << std::endl; return 1; } return 0; }
with this example.yaml file
example.yaml
name: Gandalf The Grey age: 20 city: Paris
The compile command is g++ yaml-parser.cpp -std=c++11 -lyaml-cpp -o yaml-parser.x and I obtain the following error:
g++ yaml-parser.cpp -std=c++11 -lyaml-cpp -o yaml-parser.x
/usr/bin/ld : /tmp/ccgl05V0.o : dans la fonction « YAML::Node::Scalar[abi:cxx11]() const » : yaml-parser.cpp:(.text._ZNK4YAML4Node6ScalarB5cxx11Ev[_ZNK4YAML4Node6ScalarB5cxx11Ev]+0x7a) : référence indéfinie vers « YAML::detail::node_data::empty_scalar[abi:cxx11]() » /usr/bin/ld : /tmp/ccgl05V0.o : dans la fonction « YAML::detail::node& YAML::detail::node_data::get<char [5]>(char const (&) [5], std::shared_ptr<YAML::detail::memory_holder>) » : yaml-parser.cpp:(.text._ZN4YAML6detail9node_data3getIA5_cEERNS0_4nodeERKT_St10shared_ptrINS0_13memory_holderEE[_ZN4YAML6detail9node_data3getIA5_cEERNS0_4nodeERKT_St10shared_ptrINS0_13memory_holderEE]+0xd3) : référence indéfinie vers « YAML::detail::node_data::convert_to_map(std::shared_ptr<YAML::detail::memory_holder> const&) » /usr/bin/ld : /tmp/ccgl05V0.o : dans la fonction « YAML::detail::node& YAML::detail::node_data::get<char [4]>(char const (&) [4], std::shared_ptr<YAML::detail::memory_holder>) » : yaml-parser.cpp:(.text._ZN4YAML6detail9node_data3getIA4_cEERNS0_4nodeERKT_St10shared_ptrINS0_13memory_holderEE[_ZN4YAML6detail9node_data3getIA4_cEERNS0_4nodeERKT_St10shared_ptrINS0_13memory_holderEE]+0xd3) : référence indéfinie vers « YAML::detail::node_data::convert_to_map(std::shared_ptr<YAML::detail::memory_holder> const&) » collect2: error: ld returned 1 exit status
Am I doing something bad? I think the wiki lacks some complete examples.
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Hi, I am using Ubuntu 20.04 with libyaml-cpp-dev (version 0.6.2-4ubuntu1).
I try to compile this simple example
with this
example.yaml
fileThe compile command is
g++ yaml-parser.cpp -std=c++11 -lyaml-cpp -o yaml-parser.x
and I obtain the following error:Am I doing something bad? I think the wiki lacks some complete examples.