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Re: manywarnings for C++

From: Bruno Haible
Subject: Re: manywarnings for C++
Date: Tue, 21 Feb 2017 16:05:21 +0100
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Hi Reuben,

> ​For example, would it be sensible to have a single spec file, with each
> row as follows:
> warning language-list comment
> i.e. the first and third columns as at present, and the second giving the
> languages for which the flag is used?

In my opinion

1) How to specify the set of options to avoid is orthogonal to the C vs C++

2) I find the usage approach from
   to be just as easy to use as a .spec file, and furthermore it is more
   - It allows to use different sets of warnings for clang than for gcc
     (remember that clang disguises as gcc). You need a line such as
       CC_BRAND=`LC_ALL=C $CC --version | sed -e '2,$d' -e 's/ .*//'` # either 
gcc or clang
     to distinguish them.
   - It allows multiline descriptions why a warning is avoided.


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