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* Re: preprocessor/6310: gcc -MF vs. depcomp
@ 2002-04-15 12:56 Neil Booth
0 siblings, 0 replies; 3+ messages in thread
From: Neil Booth @ 2002-04-15 12:56 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
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);
}
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: preprocessor/6310: gcc -MF vs. depcomp
@ 2002-04-15 12:52 neil
0 siblings, 0 replies; 3+ messages in thread
From: neil @ 2002-04-15 12:52 UTC (permalink / raw)
To: corsepiu, gcc-bugs, gcc-prs, nobody
Synopsis: gcc -MF vs. depcomp
State-Changed-From-To: open->closed
State-Changed-By: neil
State-Changed-When: Mon Apr 15 12:52:48 2002
State-Changed-Why:
Applied Andreas' patch to 3.0 as well; it is already in
3.1 and 3.2.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6310
^ permalink raw reply [flat|nested] 3+ messages in thread
* preprocessor/6310: gcc -MF vs. depcomp
@ 2002-04-15 9:46 corsepiu
0 siblings, 0 replies; 3+ messages in thread
From: corsepiu @ 2002-04-15 9:46 UTC (permalink / raw)
To: gcc-gnats
>Number: 6310
>Category: preprocessor
>Synopsis: gcc -MF vs. depcomp
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Mon Apr 15 09:46:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Ralf Corsepius
>Release: gcc-3.0.5 (20020410)
>Organization:
>Environment:
Linux i386/ELF
>Description:
automake > 1.4's depcomp uses
"$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
to compute dependencies.
This basically causes it to invoke gcc this way:
gcc -g -O2 -c hello.c -MT hello.o -MD -MP -MF .deps/hello.TPo
Which now causes warning of this kind:
gcc: unrecognized option `-MF'
This has worked for gcc-3.0.x up to 3.0.4, but has stopped working with post-3.0.4 gcc's from the gcc-3.0-branch.
AFAI understand, probably this patch below is the origin of this problem:
2002-03-24 Neil Booth <neil@daikokuya.demon.co.uk>
preprocessor/3951
* gcc.c (cpp_options): Pass -MD through as -MD not -M -MF.
>How-To-Repeat:
Compile an arbitrary C-sources with gcc-3.0.5 from CVS/gcc-3-0-branch depcomp-style:
Eg.:
gcc -g -O2 -c hello.c -MT hello.o -MD -MP -MF deps/hello.TPo
gcc: unrecognized option `-MF'
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
^ permalink raw reply [flat|nested] 3+ messages in thread
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2002-04-15 12:56 preprocessor/6310: gcc -MF vs. depcomp Neil Booth
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