d_shm=${d_shm:-undef}
fi
+
+# As of MachTen 4.1.4 the msg* and shm* are in libc but unimplemented
+# (an attempt to use them causes a runtime error)
+# XXX Configure probe for really functional msg*() is needed XXX
+# XXX Configure probe for really functional shm*() is needed XXX
+if test "$d_msg" = ""; then
+ d_msgget=${d_msgget:-undef}
+ d_msgctl=${d_msgctl:-undef}
+ d_msgsnd=${d_msgsnd:-undef}
+ d_msgrcv=${d_msgrcv:-undef}
+ case "$d_msgget$d_msgsnd$d_msgctl$d_msgrcv" in
+ *"undef"*) d_msg="$undef" ;;
+ esac
+fi
+if test "$d_shm" = ""; then
+ d_shmat=${d_shmat:-undef}
+ d_shmdt=${d_shmdt:-undef}
+ d_shmget=${d_shmget:-undef}
+ d_shmctl=${d_shmctl:-undef}
+ case "$d_shmat$d_shmctl$d_shmdt$d_shmget" in
+ *"undef"*) d_shm="$undef" ;;
+ esac
+fi
+
# Get rid of some extra libs which it takes Configure a tediously
# long time never to find on MachTen, or which break perl
set `echo X "$libswanted "|sed -e 's/ net / /' -e 's/ socket / /' \