=> Bootstrap dependency digest>=20211023: found digest-20211023
WARNING: [license.mk] Every package should define a LICENSE.
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for 9e-1.0
--- 9e.o ---
gcc -O   -c 9e.c
9e.c: In function 'main':
9e.c:96:7: warning: implicit declaration of function 'exit' [-Wimplicit-function-declaration]
       exit(1);
       ^~~~
9e.c:96:7: warning: incompatible implicit declaration of built-in function 'exit'
9e.c:96:7: note: include '<stdlib.h>' or provide a declaration of 'exit'
9e.c: In function 'usage':
9e.c:190:3: warning: incompatible implicit declaration of built-in function 'exit'
   exit(1);
   ^~~~
9e.c:190:3: note: include '<stdlib.h>' or provide a declaration of 'exit'
9e.c: In function 'die':
9e.c:210:3: warning: incompatible implicit declaration of built-in function 'exit'
   exit(1);
   ^~~~
9e.c:210:3: note: include '<stdlib.h>' or provide a declaration of 'exit'
--- 9e ---
gcc -o 9e 9e.o