--- libbsd-0.9.1/src/flopen.c.old 2018-05-21 02:33:33.000000000 +0000 +++ libbsd-0.9.1/src/flopen.c 2018-09-09 17:43:59.850000000 +0000 @@ -32,6 +32,7 @@ #include <sys/stat.h> #include <errno.h> +#include <fcntl.h> #include <stdarg.h> #include <unistd.h>