➜ graftcp git:(master) ✗ make
In file included from util.c:15:
./graftcp.h:31:10: fatal error: 'sys/reg.h' file not found
#include <sys/reg.h>
^~~~~~~~~~~
1 error generated.
In file included from main.c:18:
./graftcp.h:31:10: fatal error: 'sys/reg.h' file not found
#include <sys/reg.h>
^~~~~~~~~~~
1 error generated.
cc -Wall -O2 -DNDEBUG -c -o main.o main.c
In file included from main.c:18:
./graftcp.h:31:10: fatal error: 'sys/reg.h' file not found
#include <sys/reg.h>
^~~~~~~~~~~
1 error generated.
make: *** [main.o] Error 1