[Bug preprocessor/61371] cpp: Implement -fno-date-time/-freproducible-dates or similar

["rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61371

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Cristian Rodríguez from comment #6)
> (In reply to Manuel López-Ibáñez from comment #5)
> > (In reply to Cristian Rodríguez from comment #2)
> > > It would be.. if there wasn't half a ton of packages using -Werror
> > 
> > In fact, it was committed and the message tells you which option you have to
> > use to silence the warning:
> > 
> > manuel@gcc10:~$ ~/test1/210581/build/gcc/cc1 -D__DATE__='bla' test.c -Werror
> > <command-line>:0:0: error: "__DATE__" redefined
> > [-Werror=builtin-macro-redefined]
> > 
> > manuel@gcc10:~$ ~/test1/210581/build/gcc/cc1 -D__DATE__='bla' test.c -Werror
> > -Wno-error=builtin-macro-redefined
> > <command-line>:0:0: warning: "__DATE__" redefined [-Wbuiltin-macro-redefined]
> > 
> > manuel@gcc10:~$ ~/test1/210581/build/gcc/cc1 -D__DATE__='bla' test.c -Werror
> > -Wno-builtin-macro-redefined
> > 
> > 
> > Isn't this what you want?
> 
> -Wno-builtin-macro-redefined silences redefinitions of __FILE__, and 
> __BASE_FILE__..

So?  You might be happier with -Wno-error=builtin-macro-redefined (if that
works).  Of course warnings for redefinition of DATE/TIME etc. prevail then.
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From: "ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/61334] [4.10 Regression] lto-cgraph.c:976:68: error: 'strnlen' was not declared in this scope
Date: Mon, 02 Jun 2014 08:16:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ida334

Rainer Orth <ro at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|hppa2.0w-hp-hpux11.11       |hppa2.0w-hp-hpux11.11,
                   |                            |*-*-solaris2.10
                 CC|                            |ro at gcc dot gnu.org
               Host|hppa2.0w-hp-hpux11.11       |hppa2.0w-hp-hpux11.11,
                   |                            |*-*-solaris2.10
              Build|hppa2.0w-hp-hpux11.11       |hppa2.0w-hp-hpux11.11,
                   |                            |*-*-solaris2.10

--- Comment #4 from Rainer Orth <ro at gcc dot gnu.org> ---
Solaris 10 is equally affected.  The proposed patch fixes the bootstrap failure
there as well.

  Rainer