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Re: mktime function test can't be passed with gcc 4.3.0
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From: |
Ralf Wildenhues |
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Subject: |
Re: mktime function test can't be passed with gcc 4.3.0 |
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Date: |
Sat, 15 Mar 2008 10:07:13 +0100 |
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User-agent: |
Mutt/1.5.17+20080114 (2008-01-14) |
Hello Dmitry,
* Dmitry Antipov wrote on Fri, Mar 14, 2008 at 02:37:48PM CET:
>
> mktime() function test can't be passed with gcc 4.3.0. With this
> version of gcc, the
> following loop (which exploits an integer overflow) will never exited
> (with -O2 and above):
As I said, the test has been fixed since in the development version of
Autoconf.
> I would like to see a warning from the compiler here, but
> unfortunately this is not the case for now.
Well, use -Wstrict-overflow=X (and the X=1 case is enabled by -Wall).
Cheers,
Ralf