CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR warning: unknown warning option '-Wmisleading-indentation'; did you mean '-Wbinding-in-condition'? [-Wunknown-warning-option] warning: unknown warning option '-Wduplicated-cond'; did you mean '-Wduplicate-enum'? [-Wunknown-warning-option] warning: unknown warning option '-Wmisleading-indentation'; did you mean '-Wbinding-in-condition'? [-Wunknown-warning-option] warning: unknown warning option '-Wduplicated-branches' [-Wunknown-warning-option] warning: unknown warning option '-Wduplicated-cond'; did you mean '-Wduplicate-enum'? [-Wunknown-warning-option] warning: unknown warning option '-Wlogical-op'; did you mean '-Wlong-long'? [-Wunknown-warning-option] warning: unknown warning option '-Wuseless-cast' [-Wunknown-warning-option] warning: unknown warning option '-Wduplicated-branches' [-Wunknown-warning-option] warning: unknown warning option '-Wlogical-op'; did you mean '-Wlong-long'? [-Wunknown-warning-option] warning: unknown warning option '-Wmisleading-indentation'; did you mean '-Wbinding-in-condition'? [-Wunknown-warning-option] warning: unknown warning option '-Wuseless-cast' [-Wunknown-warning-option] warning: unknown warning option '-Wduplicated-cond'; did you mean '-Wduplicate-enum'? [-Wunknown-warning-option] warning: unknown warning option '-Wmisleading-indentation'; did you mean '-Wbinding-in-condition'? [-Wunknown-warning-option] warning: unknown warning option '-Wduplicated-cond'; did you mean '-Wduplicate-enum'? [-Wunknown-warning-option] warning: unknown warning option '-Wduplicated-branches' [-Wunknown-warning-option] warning: unknown warning option '-Wlogical-op'; did you mean '-Wlong-long'? [-Wunknown-warning-option] warning: unknown warning option '-Wduplicated-branches' [-Wunknown-warning-option] warning: unknown warning option '-Wuseless-cast' [-Wunknown-warning-option] warning: unknown warning option '-Wlogical-op'; did you mean '-Wlong-long'? [-Wunknown-warning-option] warning: unknown warning option '-Wuseless-cast' [-Wunknown-warning-option] /Users/jenkins/w/cci_PR-3249@3/.conan/data/args/0.12.1/_/_/build/750e1dcf4c97ff4f414802c71282d79d7405a340/source_subfolder/src/printer.cpp:34:7: error: use of undeclared identifier 'errno' if (errno != EINTR) return 0;  ^ /Users/jenkins/w/cci_PR-3249@3/.conan/data/args/0.12.1/_/_/build/750e1dcf4c97ff4f414802c71282d79d7405a340/source_subfolder/src/printer.cpp:34:16: error: use of undeclared identifier 'EINTR' if (errno != EINTR) return 0;  ^ 5 warnings and 2 errors generated. make[2]: *** [CMakeFiles/args.dir/src/printer.cpp.o] Error 1 make[2]: *** Waiting for unfinished jobs.... 5 warnings generated. 5 warnings generated. 5 warnings generated. make[1]: *** [CMakeFiles/args.dir/all] Error 2 make: *** [all] Error 2 args/0.12.1: WARN: Build folder is dirty, removing it: /Users/jenkins/w/cci_PR-3249@3/.conan/data/args/0.12.1/_/_/build/750e1dcf4c97ff4f414802c71282d79d7405a340 args/0.12.1: ERROR: Package '750e1dcf4c97ff4f414802c71282d79d7405a340' build failed args/0.12.1: WARN: Build folder /Users/jenkins/w/cci_PR-3249@3/.conan/data/args/0.12.1/_/_/build/750e1dcf4c97ff4f414802c71282d79d7405a340 ERROR: args/0.12.1: Error in build() method, line 57 gen.build() ConanException: Error 2 while executing cmake --build '/Users/jenkins/w/cci_PR-3249@3/.conan/data/args/0.12.1/_/_/build/750e1dcf4c97ff4f414802c71282d79d7405a340' '--' '-j8'