getting rc to RISC/0S 4.0

getting rc to RISC/0S 4.0

[Dave Mason]

 Has anybody compiled it successfully on this older version of the OS?  This
is rc v1.4beta (Where is the latest & greatest?) compiled without the
editline stuff.  I've been running this version (with editline) on a Sun 4
since it came out, but I haven't poked around the sources much.

Thanks	../Dave

 I ``unproto''ed  it, compiled (with warnings about SIG_DFL, etc. being the
wrong type:
	ccom: Warning: walk.c, line 352: illegal pointer combination
	        if (intr && handler != (int (*)())1)
	      -------------------------------------^
).

I seem to get different behaviour when I compile it optimized or debugged!

With:
CC=cc -systype bsd43 -tp -h./unproto -B -Dconst= -O
	oak:mason> dbx rc
	dbx version 2.11
	Copyright 1988, 1989 MIPS Computer Systems Inc.
	Type 'help' for help.
	reading symbolic information ...
	[using main.main]
	main:  15  initprint();
	(dbx) run
	rc panic: unexpected node in treecpy!

	Program exited with code 1

With:
CC=cc -systype bsd43 -tp -h./unproto -B -Dconst= -O
	oak:mason> dbx rc
	dbx version 2.11
	Copyright 1988, 1989 MIPS Computer Systems Inc.
	Type 'help' for help.
	reading symbolic information ...
	[using main.main]
	main:  15  initprint();
	(dbx) run
	echo foo

	Segmentation fault [glom.glom:381 +0xc,0x40508c]
	        while (words != NULL && (words->type == nArgs || words->type == nLappend)) {
	(dbx) where
	>  0 glom.glom(0x0, 0x0, 0x0, 0x0, 0x0) ["glom.c":381, 0x40508c]
	   1 walk.walk(0x1, 0x0, 0x0, 0x0, 0x0) ["walk.c":36, 0x40c040]
	   2 doit(0x0, 0x0, 0x0, 0x0, 0x0) ["input.c":266, 0x406f6c]
	   3 main.main(0x7fff9f98, 0x7fff9f9c, 0x0, 0x0, 0x0) ["main.c":85, 0x408710]
	(dbx)