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Re: #include <new.h> now causes a warning
- To: Joe Buck <jbuck at synopsys dot com>
- Subject: Re: #include <new.h> now causes a warning
- From: Gabriel Dos Reis <gdr at codesourcery dot com>
- Date: 10 Aug 2001 23:03:49 +0200
- Cc: gdr at codesourcery dot com (Gabriel Dos Reis), rodrigc at mediaone dot net (Craig Rodrigues), gcc at gcc dot gnu dot org
- Organization: CodeSourcery, LLC
- References: <200108102003.NAA15309@atrus.synopsys.com>
Joe Buck <firstname.lastname@example.org> writes:
| I wrote:
| > | I think that -Wdeprecated should not be implied by -Wall, but should be
| > | asked for explicitly.
| Gabrial Dos Reis writes:
| > I have no opinion on that. However, there ought to be a way to
| > educate users to move to standard headers as soon as possible.
| > | For example, it will tell people to turn <math.h> into <cmath>, resulting
| > | in a program that won't compile with the current default compiler on any
| > | GNU/Linux platform.
| > Is that *really* the case?
| > C-headers are not backward headers and I don't see how they can
| > trigger that warning.
| The original report claimed that this was so (that math.h would get a
| warning), and I did not verify it myself as I've been testing the 3.0
| branch, not the trunk.
I think the orginal report was speaking of <new.h>:
> In file included from /usr/local/include/g++-v3/backward/new.h:33,
> from /opt2/home/craigr/ACE_wrappers/ace/OS.h:2950,
> from OS.cpp:3:
| So: Which headers issue the warning?
The headers located in backward/ directory -- old form of classic
IOStreams and old HP/SGI-STL style headers.
| Are there any cases where the user is directed to use a header that
| is not present in gcc 2.95.x?
Not that I'm aware of. <sstream> was back-ported in 2.95.2 or 2.95.3.
But it depends on what you mean by "header": Is it just the spelling
or does the containt matter?