Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!SAUNA.HUT.FI!jkp
From: jkp@SAUNA.HUT.FI (Jyrki Kuoppala)
Newsgroups: gnu.utils.bug
Subject: alloca() in gas 1.33
Message-ID: <8905172220.AA18644@cs.hut.fi>
Date: 17 May 89 22:20:58 GMT
Sender: daemon@tut.cis.ohio-state.edu
Distribution: gnu
Organization: Helsinki University of Technology, Finland.
Lines: 59

Here's a context diff to make gas use the gcc builtin alloca().  It
eliminates the need for -lPW on USG-based machines and avoids using
the perhaps buggy version of alloca() on all machines.

//Jyrki

diff -cr gas-dist/Makefile gas-dist.a/Makefile
*** gas-dist/Makefile	Fri May 12 21:45:32 1989
--- gas-dist.a/Makefile	Thu May 18 00:58:33 1989
***************
*** 88,100 ****
  #	@ln asparc a
  #lint:	lint_sparc
  
  CFLAGS = -g -I. $(OPTIONS)
  LDFLAGS = $(CFLAGS)
  # To compile gas on a System Five machine, comment out the two lines above
  # and un-comment out the next three lines
  # CFLAGS = -g -I. -DUSG $(OPTIONS)
  # LDFLAGS = $(CFLAGS)
! # LOADLIBES = -lmalloc -lPW
  
  a =\
  as.o		xrealloc.o	xmalloc.o	hash.o		hex-value.o \
--- 88,103 ----
  #	@ln asparc a
  #lint:	lint_sparc
  
+ CC = gcc
+ 
  CFLAGS = -g -I. $(OPTIONS)
  LDFLAGS = $(CFLAGS)
  # To compile gas on a System Five machine, comment out the two lines above
  # and un-comment out the next three lines
+ # Add -lPW to LOADLIBES if you compile with cc instead of gcc
  # CFLAGS = -g -I. -DUSG $(OPTIONS)
  # LDFLAGS = $(CFLAGS)
! # LOADLIBES = -lmalloc
  
  a =\
  as.o		xrealloc.o	xmalloc.o	hash.o		hex-value.o \
diff -cr gas-dist/atof-generic.c gas-dist.a/atof-generic.c
*** gas-dist/atof-generic.c	Fri May 12 02:01:56 1989
--- gas-dist.a/atof-generic.c	Thu May 18 00:56:45 1989
***************
*** 19,26 ****
--- 19,30 ----
  
  #include <ctype.h>
  #include "flonum.h"
+ #ifdef __GNUC__
+ #define alloca __builtin_alloca
+ #else
  #ifdef sparc
  #include <alloca.h>
+ #endif
  #endif
  
  #ifdef USG