cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration wordexp/wordfree.c -o wordexp/wordfree -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
wordexp/wordfree.c:5:10: fatal error: wordexp.h: No such file or directory
    5 | #include <wordexp.h>
      |          ^~~~~~~~~~~
compilation terminated.