- use portability wrapper define bb_setpgrp.

init/init_shared.c

@@ -9,6 +9,7 @@
 
 #include <signal.h>
 #include <stdlib.h>
+#include <sys/types.h>
 #include <unistd.h>
 #include <getopt.h>
 #include <sys/reboot.h>
@@ -26,7 +27,7 @@ int bb_shutdown_system(unsigned long magic)
 	/* Don't kill ourself */
 	signal(SIGTERM,SIG_IGN);
 	signal(SIGHUP,SIG_IGN);
-	setpgrp();
+	bb_setpgrp;
 
 	/* Allow Ctrl-Alt-Del to reboot system. */
 #ifndef RB_ENABLE_CAD

loginutils/login.c

@@ -147,7 +147,7 @@ int login_main(int argc, char **argv)
 	else
 		snprintf ( fromhost, sizeof( fromhost ) - 1, " on `%.100s'", tty );
 
-	setpgrp();
+	bb_setpgrp;
 
 	openlog ( "login", LOG_PID | LOG_CONS | LOG_NOWAIT, LOG_AUTH );
 

shell/msh.c

@@ -3031,7 +3031,7 @@ forkexec(REGISTER struct op *t, int *pin, int *pout, int act, char **wp)
 	} else {
 		/* put non-interactive processes into a different process group.
 		 * we don't support jobs, but this is at least sane: see Bug 659 */
-		setpgrp();
+		bb_setpgrp;
 	}
 
 	if (t->type == TPAREN)