Changes for correct pgrp behavior; approach suggested by Bob
Glickstein <firstname.lastname@example.org>: * m/iris4d.h (LIB_STANDARD): Do list -lbsd here. * s/irix4-0.h (getpgrp, setpgrp): #define these to call BSDgetpgrp and BSDsetpgrp. (GETPGRP_NO_ARG): Don't #define this. * emacs.c (main): Don't test GETPGRP_NO_ARG. * sysdep.c (sys_suspend): Don't test GETPGRP_NO_ARG. * config.h.in (HAVE_CLOSEDIR): Add an #undef for autoconf to change. * sysdep.c (closedir): Only define this if autoconf can't find HAVE_CLOSEDIR. If we're running under solaris (defined (sun) && defined (USG5_4)), then don't free the buffer separately.
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