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Date: Tue, 9 May 2006 12:30:21 -0500
From: JT Williams <jeffw AT darwin DOT sfbr DOT org>
To: djgpp AT delorie DOT com
Subject: Re: incompatible implicit declaration of built-in function...
Message-ID: <20060509173020.GA12724@darwin.sfbr.org>
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> warning: incompatible implicit declaration of built-in function 'memset'

Beginning with some recent version of gcc, my programs (even
"hello.c") would not compile without many such warnings about
some function or other.  I searched the gcc docs and added
'-fno-builtin' to the gcc invocation to suppress the use of
builtin prototypes.

-- 
j

On Tue|2006.05.09, Florian Xaver wrote:

>Hi!
>
>example:
>
>gcc -O3 -funroll-loops -Iinclude -c src/xlib/conlib.c -o obj/xlib/conlib.o
>src/xlib/conlib.c: In function 'ClearConsole':
>src/xlib/conlib.c:103: warning: incompatible implicit declaration of 
>built-in fu
>nction 'memset'
>src/xlib/conlib.c: In function 'CursorMoveRight':
>src/xlib/conlib.c:122: warning: incompatible implicit declaration of 
>built-in fu
>nction 'memcpy'
>src/xlib/conlib.c:124: warning: incompatible implicit declaration of 
>built-in fu
>nction 'memset'
>src/xlib/conlib.c: In function 'PutChar':
>src/xlib/conlib.c:155: warning: incompatible implicit declaration of 
>built-in fu
>nction 'memcpy'
>src/xlib/conlib.c:158: warning: incompatible implicit declaration of 
>built-in fu
>nction 'memset'
>src/xlib/conlib.c: In function 'NewConsole':
>src/xlib/conlib.c:173: warning: incompatible implicit declaration of 
>built-in fu
>nction 'memset'
>
>
>What could be the reason?
>bye
>-- 
>Florian Xaver <http://www.flox.at.tf>
>
>Dr-DOS  Wiki <http://www.drdos.org>
>SWORD - a nice GUI library for DOS/DJGPP
><http://www.flox.at.tf>
>
>
>
>
>
>