From: Per Kofod <per AT ollie DOT dnk DOT hp DOT com>
Subject: Re: -funsigned-char -Wall and C++ compilation
To: pervenas AT athena DOT compulink DOT forthnet DOT gr
Date: Wed, 1 Jun 94 22:13:36 METDST
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu (DJGPP Mailing list)
Mailer: Elm [revision: 70.85]

> Is there anyone that could explain to me, why the following piece of code
> when compiled as C++ (options: -x c++ -Wall -funsigned-char)
> generates the warning 'comparison between promoted unsigned and signed'
> but when compiled as plain C (options: -Wall -f unsigned char) does not ?
> 
> If the declaration of x is changed to 'unsigned char x' in C++, why
> there is no warning? What is the difference ?

The option "-funsigned-char" is a C only option, this option does not work
for C++

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