CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY /home/conan/w/cci_PR-4349/3/f9bbb0fe-5a96-4647-8340-bb3015eee525/recipes/libmnl/all/test_package/example.cpp: In function ‘int main()’: /home/conan/w/cci_PR-4349/3/f9bbb0fe-5a96-4647-8340-bb3015eee525/recipes/libmnl/all/test_package/example.cpp:8:10: error: ‘EXIT_FAILURE’ was not declared in this scope return EXIT_FAILURE; ^ /home/conan/w/cci_PR-4349/3/f9bbb0fe-5a96-4647-8340-bb3015eee525/recipes/libmnl/all/test_package/example.cpp:12:12: error: ‘EXIT_SUCCESS’ was not declared in this scope return EXIT_SUCCESS; ^ make[2]: *** [CMakeFiles/example.dir/example.cpp.o] Error 1 make[1]: *** [CMakeFiles/example.dir/all] Error 2 make: *** [all] Error 2 ERROR: libmnl/1.0.4 (test package): Error in build() method, line 15 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4349/3/f9bbb0fe-5a96-4647-8340-bb3015eee525/recipes/libmnl/all/test_package/build/32b3466f6f9b062fa94a02aa1d9599d54a21018e' '--' '-j3'