[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: best way to check for compiler _warnings_?
From: |
Ralf Wildenhues |
Subject: |
Re: best way to check for compiler _warnings_? |
Date: |
Tue, 2 Nov 2010 06:46:11 +0100 |
User-agent: |
Mutt/1.5.20 (2010-08-04) |
* Miles Bader wrote on Tue, Nov 02, 2010 at 04:34:43AM CET:
> Ralf Wildenhues writes:
> > Then, dealing with such behavior is tricky in general. You can use
> > AC_LANG_WERROR, but it has problems if the compiler is verbose by
> > default. Libtool has a couple of macros that test a compiler without
> > and with some flag and compare output of the two, but even that is of
> > limited reliability if the "normal" part of the output is noisy. It's
> > a mess.
>
> Is there something like "AC_GREP_COMPILATION", i.e., that just runs the
> compiler as if for AC_COMPILE_IFELSE, and gives you the output
> untouched?
No.
> Hmm, I suppose I should look at how AC_COMPILE_IFELSE is implemented...
Yes, that is a good idea.
> My thought currently is that I could run the compiler and then grep for
> the option name in the output; if it occurs, it's pretty likely because
> of an error/warning messages, and seems like it might avoid most
> false negatives.
Except then you may run into MSVC which prints its command-line options
(dunno whether on stdout or stderr) ...
Cheers,
Ralf
- best way to check for compiler _warnings_?, Miles Bader, 2010/11/01
- Re: best way to check for compiler _warnings_?, Ralf Wildenhues, 2010/11/01
- Re: best way to check for compiler _warnings_?, Miles Bader, 2010/11/01
- Re: best way to check for compiler _warnings_?, Miles Bader, 2010/11/01
- Re: best way to check for compiler _warnings_?,
Ralf Wildenhues <=
- Re: best way to check for compiler _warnings_?, Peter Rosin, 2010/11/02
- Re: best way to check for compiler _warnings_?, Miles Bader, 2010/11/02
- Re: best way to check for compiler _warnings_?, Peter Rosin, 2010/11/02
- Re: best way to check for compiler _warnings_?, Miles Bader, 2010/11/02
- Re: best way to check for compiler _warnings_?, Ralf Wildenhues, 2010/11/02
- Re: best way to check for compiler _warnings_?, Miles Bader, 2010/11/02
- Re: best way to check for compiler _warnings_?, Ralf Wildenhues, 2010/11/03
- Re: best way to check for compiler _warnings_?, Peter Rosin, 2010/11/03
Re: best way to check for compiler _warnings_?, Joseph S. Myers, 2010/11/02