RCS binaries failing on Mac #137

Joyent pkgsrc binaries running on macOS High Sierra, x86_64.

The RCS binaries in the "rcs-5.9.4" package are crashing on this system. Any attempt to run a command seems to immediately halt, printing the error message "Abort", with the command's exit status being 262, which indicates signal 6, or SIGABRT.

`
$ /opt/pkg/bin/rcs log .cshrc
Abort
ORPB286 1722$ echo $?
262
$ sudo dtruss -a /opt/pkg/bin/rcs log .cshrc
dtrace: system integrity protection is on, some features will not be available

PID/THRD  RELATIVE  ELAPSD    CPU SYSCALL(args) 		 = return

8182/0x1a783: 2170 99 39 open("/dev/dtracehelper\0", 0x2, 0xFFFFFFFFE001FA60) = 3 0
8182/0x1a783: 2724 556 551 ioctl(0x3, 0x80086804, 0x7FFEE001F9C0) = 0 0
8182/0x1a783: 2733 11 6 close(0x3) = 0 0
8182/0x1a783: 2794 8 4 access("/AppleInternal/XBS/.isChrooted\0", 0x0, 0x0) = -1 Err#2
8182/0x1a783: 2839 6 0 thread_selfid(0x0, 0x0, 0x0) = 108419 0
8182/0x1a783: 2845 9 3 bsdthread_register(0x7FFF67C46BEC, 0x7FFF67C46BDC, 0x2000) = 1073742047 0
8182/0x1a783: 2944 5 0 issetugid(0x0, 0x0, 0x0) = 0 0
8182/0x1a783: 3062 8 3 mprotect(0x10FC26000, 0x1000, 0x0) = 0 0
8182/0x1a783: 3065 4 1 mprotect(0x10FC2B000, 0x1000, 0x0) = 0 0
8182/0x1a783: 3079 4 1 mprotect(0x10FC2C000, 0x1000, 0x0) = 0 0
8182/0x1a783: 3081 4 1 mprotect(0x10FC31000, 0x1000, 0x0) = 0 0
8182/0x1a783: 3096 5 2 mprotect(0x10FC24000, 0x88, 0x1) = 0 0
8182/0x1a783: 3105 5 1 mprotect(0x10FC32000, 0x1000, 0x1) = 0 0
8182/0x1a783: 3110 7 3 mprotect(0x10FC24000, 0x88, 0x3) = 0 0
8182/0x1a783: 3130 5 2 mprotect(0x10FC24000, 0x88, 0x1) = 0 0
8182/0x1a783: 3493 5 0 getpid(0x0, 0x0, 0x0) = 8182 0
8182/0x1a783: 3501 7 3 stat64("/AppleInternal/XBS/.isChrooted\0", 0x7FFEE001F098, 0x0) = -1 Err#2
8182/0x1a783: 3505 4 1 stat64("/AppleInternal\0", 0x7FFEE001F130, 0x0) = -1 Err#2
8182/0x1a783: 3540 5 1 csops(0x1FF6, 0x7, 0x7FFEE001EBD0) = -1 Err#22
dtrace: error on enabled probe ID 2198 (ID 557: syscall::sysctl:return): invalid kernel access in action #11 at DIF offset 28
8182/0x1a783: 3606 4 1 csops(0x1FF6, 0x7, 0x7FFEE001E4C0) = -1 Err#22
8182/0x1a783: 3844 54 0 sigaltstack(0x7FFEE00207F8, 0x0, 0x0) = 0 0
8182/0x1a783: 3900 5 0 sigaltstack(0x7FFEE00205A8, 0x0, 0x0) = 0 0
8182/0x1a783: 3973 438 29 open("RCS/.cshrc,v\0", 0x0, 0x0) = 3 0
8182/0x1a783: 3996 8 3 fstat64(0x3, 0x7F90D60030F0, 0x0) = 0 0
8182/0x1a783: 4006 5 0 sigaction(0xA, 0x0, 0x7FFEE0020260) = 0 0
8182/0x1a783: 4008 3 0 sigaction(0xA, 0x7FFEE0020228, 0x0) = 0 0
8182/0x1a783: 4028 15 7 mmap(0x0, 0x6538, 0x1, 0x1, 0x3, 0x0) = 0x10FEB6000 0
8182/0x1a783: 4044 5 0 madvise(0x10FEB6000, 0x6538, 0x2) = 0 0
8182/0x1a783: 4163 10 5 proc_info(0x2, 0x1FF6, 0x11) = 56 0
8182/0x1a783: 4282 11 3 proc_info(0x2, 0x1FF6, 0x11) = 56 0
dtrace: error on enabled probe ID 2198 (ID 557: syscall::sysctl:return): invalid kernel access in action #11 at DIF offset 28
8182/0x1a783: 4353 6 1 issetugid(0x0, 0x0, 0x0) = 0 0
8182/0x1a783: 4500 14 7 shm_open(0x7FFF67C3BDEF, 0x0, 0x0) = 4 0
8182/0x1a783: 4507 11 6 mmap(0x0, 0x1000, 0x1, 0x1, 0x4, 0x0) = 0x10FEFD000 0
8182/0x1a783: 4511 7 2 close_nocancel(0x4) = 0 0
8182/0x1a783: 4531 5 1 ulock_wake(0x102, 0x10FEBD400, 0x0) = -1 Err#2
8182/0x1a783: 4536 4 0 ulock_wake(0x102, 0x10FEBD280, 0x0) = -1 Err#2
8182/0x1a783: 4542 4 0 ulock_wake(0x102, 0x10FEBD300, 0x0) = -1 Err#2
8182/0x1a783: 4558 5 0 sigprocmask(0x2, 0x7FFEE001E934, 0x0) = 0x0 0
8182/0x1a783: 4566 11 6 abort_with_payload(0x12, 0x2, 0x7FFEE001E9C0) = 0 0

CALL COUNT
abort_with_payload 1
access 1
bsdthread_register 1
close 1
close_nocancel 1
fstat64 1
getpid 1
ioctl 1
madvise 1
shm_open 1
sigprocmask 1
thread_selfid 1
csops 2
issetugid 2
mmap 2
open 2
proc_info 2
sigaction 2
sigaltstack 2
stat64 2
sysctl 2
ulock_wake 3
mprotect 8

$
`