Re: [patch] bug in cpp's #ident handling in gcc 3.4 [Was: ccache with buildworld]

That's not change in behaviour, but behaviour fix. cc -E + cc, should 
give the same result as plain cc, which isn't true currently in the 
presence of #ident.

-Maxim

Jun Su wrote:

> Maxim Sobolev wrote:
> 
>> Hi there,
>>
>> I was looking into the problem with building world using ccache. It 
>> was failing with the following error message:
>>
>> /usr/src/lib/libc/rpc/key_call.c:33:10: extra tokens at end of #ident 
>> directive
>>
> <emit>
> 
>>
>> It would be nice to get it committed before 5.3 is out.
>>
>> Regards,
>>
>> Maxim
>>
>>
>> ------------------------------------------------------------------------
>>
>> --- src/contrib/gcc/c-ppoutput.c    2004/08/26 14:10:04    1.1
>> +++ src/contrib/gcc/c-ppoutput.c    2004/08/26 14:10:32
>> _at__at_ -292,7 +292,7 _at__at_
>>        const cpp_string *str)
>>  {
>>    maybe_print_line (print.map, line);
>> -  fprintf (print.outf, "#ident \"%s\"\n", str->text);
>> +  fprintf (print.outf, "#ident %s\n", str->text);
>>    print.line++;
>>  }
>>  
> 
> 
> In the files of the same folder, '#ident' are all in the /* */. I think
> fix key_call.c to put #ident into comments makes more sense than change
> gcc behaivr.
> 
> Jun Su
> 
> 
> %grep -r '#ident' /usr/src/lib/libc/*
> /usr/src/lib/libc/rpc/clnt_bcast.c:/* #ident    "_at_(#)clnt_bcast.c 
> 1.18    94/05/03 SMI" */
> /usr/src/lib/libc/rpc/clnt_dg.c:/* #ident       "_at_(#)clnt_dg.c  1.23 
> 94/04/22 SMI" */
> /usr/src/lib/libc/rpc/clnt_generic.c:/* #ident  "_at_(#)clnt_generic.c 
> 1.40    99/04/21 SMI" */
> /usr/src/lib/libc/rpc/key_call.c:#ident "_at_(#)key_call.c 1.25    94/04/24 
> SMI"
> /usr/src/lib/libc/rpc/rpc_soc.c:/* #ident       "_at_(#)rpc_soc.c  1.17 
> 94/04/24 SMI" */
> /usr/src/lib/libc/rpc/rpcb_clnt.c:/* #ident     "_at_(#)rpcb_clnt.c 1.27    
> 94/04/24 SMI" */
> /usr/src/lib/libc/rpc/rpcb_prot.c:/* #ident     "_at_(#)rpcb_prot.c 1.13    
> 94/04/24 SMI" */
> /usr/src/lib/libc/rpc/svc_auth.c:/* #ident      "_at_(#)svc_auth.c 1.16 
> 94/04/24 SMI" */
> /usr/src/lib/libc/rpc/svc_dg.c:/* #ident        "_at_(#)svc_dg.c   1.17 
> 94/04/24 SMI" */
> /usr/src/lib/libc/rpc/svc_generic.c:/* #ident   "_at_(#)svc_generic.c 
> 1.19    94/04/24 SMI" */
> /usr/src/lib/libc/rpc/svc_raw.c:/* #ident       "_at_(#)svc_raw.c  1.16 
> 94/04/24 SMI" */
> 
> 
>