cc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/PTHREAD_CANCEL_ENABLE.c -o pthread/PTHREAD_CANCEL_ENABLE -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv pthread/PTHREAD_CANCEL_ENABLE.c:2:17: error: ‘PTHREAD_CANCEL_ENABLE’ undeclared here (not in a function); did you mean ‘PTHREAD_CREATE_JOINABLE’? 2 | int const foo = PTHREAD_CANCEL_ENABLE; | ^~~~~~~~~~~~~~~~~~~~~ | PTHREAD_CREATE_JOINABLE