Synopsis: cannot get make to complete State-Changed-From-To: open-closed State-Changed-By: marc State-Changed-When: Thu Jul 30 10:01:08 PDT 1998 State-Changed-Why: Your C compiler is either not installed properly or is broken. Please update your compiler, and be certain that the compiler is designed for your exact OS version.
/usr/include/signal.h is supposed to include /usr/include/sys/signal.h which is supposed to define struct sigaction.
