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From: salkind%nyu@sri-unix.UUCP
Newsgroups: net.unix-wizards
Subject: _brk routine not supplied for franz rawhlisp
Message-ID: <14470@sri-arpa.UUCP>
Date: Fri, 9-Dec-83 13:07:12 EST
Article-I.D.: sri-arpa.14470
Posted: Fri Dec  9 13:07:12 1983
Date-Received: Tue, 13-Dec-83 05:47:32 EST
Lines: 44

From:  Lou Salkind <salkind@nyu>

Subject: _brk routine not supplied for franz rawhlisp
Index:	ucb/lisp/franz/vax 4.2BSD

Description:
	rawhlisp can not be built from the distributed sources (several
	important franz applications need this).
Repeat-By:
	In the vax directory, type make rawhlisp.  You will get _brk
	undefined.
Fix:
	1) make a symbolic link to /usr/src/lib/libc/vax/sys/SYS.h in
	the franz/h directory
	2) install the following in vax/hbrk.c
---
/* special brk for hlisp */

#include "SYS.h"

#define SYS_brk         17

	.globl  curbrk

ENTRY(_brk)
	chmk    $SYS_brk
	jcs     err
	movl    4(ap),curbrk
	clrl    r0
	ret
err:
	jmp     cerror
---
	3) apply the following changes to Makefile:
---
82c82
< VaxObj = bigmath.o qfuncl.o vax.o
---
> VaxObj = bigmath.o qfuncl.o vax.o hbrk.o
117a118,120
> 
> hbrk.o: hbrk.c
> 	cc -I../h -E ${ProfFlag2} hbrk.c | as -o hbrk.o
---