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Date: Mon, 15 Apr 2002 12:56:00 -0000
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From: Neil Booth <neil@daikokuya.demon.co.uk>
Subject: Re: preprocessor/6310: gcc -MF vs. depcomp
Reply-To: Neil Booth <neil@daikokuya.demon.co.uk>
X-SW-Source: 2002-04/txt/msg00793.txt.bz2
List-Id: <gcc-prs.sourceware.org>

The following reply was made to PR preprocessor/6310; it has been noted by GNATS.

From: Neil Booth <neil@daikokuya.demon.co.uk>
To: corsepiu@faw.uni-ulm.de
Cc: gcc-gnats@gcc.gnu.org, schwab@suse.de
Subject: Re: preprocessor/6310: gcc -MF vs. depcomp
Date: Mon, 15 Apr 2002 20:47:33 +0100

 corsepiu@faw.uni-ulm.de wrote:-
 
 > Which now causes warning of this kind:
 > gcc: unrecognized option `-MF'
 
 Thanks.  This was fixed recently by Andreas:
 
 2002-03-09  Andreas Schwab  <schwab@suse.de>
 
 	* gcc.c (validate_all_switches): Also handle `%W{...}'.
 
 but it wasn't put in 3.0 for some reason.  I've verified it fixes
 the problem, so I'll apply it now.  Patch follows.
 
 Neil.
 
 Index: gcc.c
 ===================================================================
 RCS file: /cvs/gcc/gcc/gcc/gcc.c,v
 retrieving revision 1.205.2.27
 diff -u -p -r1.205.2.27 gcc.c
 --- gcc.c	24 Mar 2002 13:13:01 -0000	1.205.2.27
 +++ gcc.c	15 Apr 2002 19:45:39 -0000
 @@ -6208,7 +6208,7 @@ validate_all_switches ()
      {
        p = comp->spec;
        while ((c = *p++))
 -	if (c == '%' && *p == '{')
 +	if (c == '%' && (*p == '{' || (*p == 'W' && *++p == '{')))
  	  /* We have a switch spec.  */
  	  validate_switches (p + 1);
      }
 @@ -6218,14 +6218,14 @@ validate_all_switches ()
      {
        p = *(spec->ptr_spec);
        while ((c = *p++))
 -	if (c == '%' && *p == '{')
 +	if (c == '%' && (*p == '{' || (*p == 'W' && *++p == '{')))
  	  /* We have a switch spec.  */
  	  validate_switches (p + 1);
      }
  
    p = link_command_spec;
    while ((c = *p++))
 -    if (c == '%' && *p == '{')
 +    if (c == '%' && (*p == '{' || (*p == 'W' && *++p == '{')))
        /* We have a switch spec.  */
        validate_switches (p + 1);
  }