diff --git a/src/.gitignore b/src/.gitignore
new file mode 100644
index 0000000..5d91537
--- /dev/null
+++ b/src/.gitignore
@@ -0,0 +1,30 @@
+*.o
+*.a
+
+choose
+chpst
+compile
+direntry.h
+hasflock.h
+hasmkffo.h
+hassgact.h
+hassgprm.h
+hasshsgr.h
+haswaitp.h
+iopause.h
+load
+makelib
+reboot_system.h
+runit
+runit-init
+runsv
+runsvchdir
+runsvdir
+select.h
+socket.lib
+sv
+svlogd
+sysdeps
+uint64.h
+utmpset
+uw_tmp.h
diff --git a/src/Makefile b/src/Makefile
index d9624de..2d1bf4a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -170,12 +170,6 @@ byte_diff.o: byte.h byte_diff.c compile
 byte_rchr.o: byte.h byte_rchr.c compile
 	./compile byte_rchr.c
 
-chkshsgr: chkshsgr.o load
-	./load chkshsgr 
-
-chkshsgr.o: chkshsgr.c compile
-	./compile chkshsgr.c
-
 choose: choose.sh warn-auto.sh
 	rm -f choose
 	cat warn-auto.sh choose.sh \
@@ -185,7 +179,7 @@ choose: choose.sh warn-auto.sh
 coe.o: coe.c coe.h compile
 	./compile coe.c
 
-compile: conf-cc print-cc.sh systype warn-auto.sh
+compile: conf-cc print-cc.sh warn-auto.sh
 	rm -f compile
 	sh print-cc.sh > compile
 	chmod 555 compile
@@ -232,9 +226,7 @@ hassgact.h: choose compile hassgact.h1 hassgact.h2 load trysgact.c
 hassgprm.h: choose compile hassgprm.h1 hassgprm.h2 load trysgprm.c
 	./choose cl trysgprm hassgprm.h1 hassgprm.h2 > hassgprm.h
 
-hasshsgr.h: chkshsgr choose compile hasshsgr.h1 hasshsgr.h2 load \
-tryshsgr.c warn-shsgr
-	./chkshsgr || ( cat warn-shsgr; exit 1 )
+hasshsgr.h: choose compile hasshsgr.h1 hasshsgr.h2 load tryshsgr.c
 	./choose clr tryshsgr hasshsgr.h1 hasshsgr.h2 > hasshsgr.h
 
 haswaitp.h: choose compile haswaitp.h1 haswaitp.h2 load trywaitp.c
@@ -246,7 +238,7 @@ iopause.h: choose compile iopause.h1 iopause.h2 load trypoll.c
 iopause.o: compile iopause.c iopause.h select.h tai.h taia.h uint64.h
 	./compile iopause.c
 
-load: conf-ld print-ld.sh systype warn-auto.sh
+load: conf-ld print-ld.sh warn-auto.sh
 	rm -f load
 	sh print-ld.sh > load
 	chmod 555 load
@@ -257,7 +249,7 @@ lock_ex.o: compile hasflock.h lock.h lock_ex.c
 lock_exnb.o: compile hasflock.h lock.h lock_exnb.c
 	./compile lock_exnb.c
 
-makelib: print-ar.sh systype warn-auto.sh
+makelib: print-ar.sh warn-auto.sh
 	rm -f makelib
 	sh print-ar.sh > makelib
 	chmod 555 makelib
@@ -372,10 +364,10 @@ subgetopt.o: compile subgetopt.c subgetopt.h
 	./compile subgetopt.c
 
 sysdeps: compile direntry.h hasflock.h hasmkffo.h hassgact.h \
-hassgprm.h hasshsgr.h haswaitp.h iopause.h load select.h systype \
+hassgprm.h hasshsgr.h haswaitp.h iopause.h load select.h \
 uint64.h reboot_system.h uw_tmp.h socket.lib
 	rm -f sysdeps
-	cat systype compile load socket.lib >>sysdeps
+	cat compile load socket.lib >>sysdeps
 	grep sysdep direntry.h >>sysdeps
 	grep sysdep haswaitp.h >>sysdeps
 	grep sysdep hassgact.h >>sysdeps
@@ -390,9 +382,6 @@ uint64.h reboot_system.h uw_tmp.h socket.lib
 	grep sysdep uw_tmp.h >>sysdeps
 	cat sysdeps
 
-systype: find-systype.sh trycpp.c x86cpuid.c
-	sh find-systype.sh > systype
-
 tai_now.o: compile tai.h tai_now.c uint64.h
 	./compile tai_now.c
 
diff --git a/src/chkshsgr.c b/src/chkshsgr.c
deleted file mode 100644
index 31eda67..0000000
--- a/src/chkshsgr.c
+++ /dev/null
@@ -1,13 +0,0 @@
-/* Public domain. */
-
-#include <sys/types.h>
-#include <unistd.h>
-
-int main()
-{
-  gid_t x[4];
-
-  x[0] = x[1] = 0;
-  if (getgroups(1,x) == 0) if (setgroups(1,x) == -1) _exit(1);
-  _exit(0);
-}
diff --git a/src/find-systype.sh b/src/find-systype.sh
deleted file mode 100644
index 9f6e565..0000000
--- a/src/find-systype.sh
+++ /dev/null
@@ -1,143 +0,0 @@
-# oper-:arch-:syst-:chip-:kern-
-# oper = operating system type; e.g., sunos-4.1.4
-# arch = machine language; e.g., sparc
-# syst = which binaries can run; e.g., sun4
-# chip = chip model; e.g., micro-2-80
-# kern = kernel version; e.g., sun4m
-# dependence: arch --- chip
-#                 \        \
-#          oper --- syst --- kern
-# so, for example, syst is interpreted in light of oper, but chip is not.
-# anyway, no slashes, no extra colons, no uppercase letters.
-# the point of the extra -'s is to ease parsing: can add hierarchies later.
-# e.g., *:i386-*:*:pentium-*:* would handle pentium-100 as well as pentium,
-# and i386-486 (486s do have more instructions, you know) as well as i386.
-# the idea here is to include ALL useful available information.
-
-exec 2>/dev/null
-
-sys="`uname -s | tr '/:[A-Z]' '..[a-z]'`"
-if [ x"$sys" != x ]
-then
-  unamer="`uname -r | tr /: ..`"
-  unamem="`uname -m | tr /: ..`"
-  unamev="`uname -v | tr /: ..`"
-
-  case "$sys" in
-  bsd.os|freebsd|netbsd|openbsd)
-    # in bsd 4.4, uname -v does not have useful info.
-    # in bsd 4.4, uname -m is arch, not chip.
-    oper="$sys-$unamer"
-    arch="$unamem"
-    syst=""
-    chip="`sysctl -n hw.model`" # hopefully
-    kern=""
-    ;;
-  linux)
-    # as in bsd 4.4, uname -v does not have useful info.
-    oper="$sys-$unamer"
-    syst=""
-    chip="$unamem"
-    kern=""
-    case "$chip" in
-    i386|i486|i586|i686)
-      arch="i386"
-      ;;
-    alpha)
-      arch="alpha"
-      ;;
-    esac
-    ;;
-  aix)
-    # naturally IBM has to get uname -r and uname -v backwards. dorks.
-    oper="$sys-$unamev-$unamer"
-    arch="`arch | tr /: ..`"
-    syst=""
-    chip="$unamem"
-    kern=""
-    ;;
-  sunos)
-    oper="$sys-$unamer-$unamev"
-    arch="`(uname -p || mach) | tr /: ..`"
-    syst="`arch | tr /: ..`"
-    chip="$unamem" # this is wrong; is there any way to get the real info?
-    kern="`arch -k | tr /: ..`"
-    ;;
-  unix_sv)
-    oper="$sys-$unamer-$unamev"
-    arch="`uname -m`"
-    syst=""
-    chip="$unamem"
-    kern=""
-    ;;
-  *)
-    oper="$sys-$unamer-$unamev"
-    arch="`arch | tr /: ..`"
-    syst=""
-    chip="$unamem"
-    kern=""
-    ;;
-  esac
-else
-  gcc -c trycpp.c
-  gcc -o trycpp trycpp.o
-  case `./trycpp` in
-  nextstep)
-    oper="nextstep-`hostinfo | sed -n 's/^[ 	]*NeXT Mach \([^:]*\):.*$/\1/p'`"
-    arch="`hostinfo | sed -n 's/^Processor type: \(.*\) (.*)$/\1/p' | tr /: ..`"
-    syst=""
-    chip="`hostinfo | sed -n 's/^Processor type: .* (\(.*\))$/\1/p' | tr ' /:' '...'`"
-    kern=""
-    ;;
-  *)
-    oper="unknown"
-    arch=""
-    syst=""
-    chip=""
-    kern=""
-    ;;
-  esac
-  rm -f trycpp.o trycpp
-fi
-
-case "$chip" in
-80486)
-  # let's try to be consistent here. (BSD/OS)
-  chip=i486
-  ;;
-i486DX)
-  # respect the hyphen hierarchy. (FreeBSD)
-  chip=i486-dx
-  ;;
-i486.DX2)
-  # respect the hyphen hierarchy. (FreeBSD)
-  chip=i486-dx2
-  ;;
-Intel.586)
-  # no, you nitwits, there is no such chip. (NeXTStep)
-  chip=pentium
-  ;;
-i586)
-  # no, you nitwits, there is no such chip. (Linux)
-  chip=pentium
-  ;;
-i686)
-  # STOP SAYING THAT! (Linux)
-  chip=ppro
-esac
-
-if gcc -c x86cpuid.c
-then
-  if gcc -o x86cpuid x86cpuid.o
-  then
-    x86cpuid="`./x86cpuid | tr /: ..`"
-    case "$x86cpuid" in
-      ?*)
-        chip="$x86cpuid"
-        ;;
-    esac
-  fi
-fi
-rm -f x86cpuid x86cpuid.o
-
-echo "$oper-:$arch-:$syst-:$chip-:$kern-" | tr ' [A-Z]' '.[a-z]'
diff --git a/src/warn-shsgr b/src/warn-shsgr
deleted file mode 100644
index 37c351e..0000000
--- a/src/warn-shsgr
+++ /dev/null
@@ -1,3 +0,0 @@
-Oops. Your getgroups() returned 0, and setgroups() failed; this means
-that I can't reliably do my shsgr test. Please either ``make'' as root
-or ``make'' while you're in one or more supplementary groups.
diff --git a/src/x86cpuid.c b/src/x86cpuid.c
deleted file mode 100644
index f81c593..0000000
--- a/src/x86cpuid.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/* Public domain. */
-
-#include <signal.h>
-
-void nope()
-{
-  exit(1);
-}
-
-int main()
-{
-  unsigned long x[4];
-  unsigned long y[4];
-  int i;
-  int j;
-  char c;
-
-  signal(SIGILL,nope);
-
-  x[0] = 0;
-  x[1] = 0;
-  x[2] = 0;
-  x[3] = 0;
-
-  asm volatile(".byte 15;.byte 162" : "=a"(x[0]),"=b"(x[1]),"=c"(x[3]),"=d"(x[2]) : "0"(0) );
-  if (!x[0]) return 0;
-  asm volatile(".byte 15;.byte 162" : "=a"(y[0]),"=b"(y[1]),"=c"(y[2]),"=d"(y[3]) : "0"(1) );
-
-  for (i = 1;i < 4;++i)
-    for (j = 0;j < 4;++j) {
-      c = x[i] >> (8 * j);
-      if (c < 32) c = 32;
-      if (c > 126) c = 126;
-      putchar(c);
-    }
-
-  printf("-%08x-%08x\n",y[0],y[3]);
-
-  return 0;
-}