From: varobert AT colba DOT net
Message-Id: <3.0.32.19990708190400.007a4c80@mail.colba.net>
X-Sender: varobert AT mail DOT colba DOT net
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Date: Thu, 08 Jul 1999 19:04:01 -0400
To: djgpp AT delorie DOT com
Subject: Re: Newbie help request:  -wall and prototyping
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Reply-To: djgpp AT delorie DOT com

You should use
gcc -Wall -o myprog.exe myproc.c
The order here IS important because of the -o switch.

At 08:25 PM 7/8/99 GMT, you wrote:
>C and DJGPP gurus,
>
>     I recently downloaded the djgpp compiler and the tutorial from Coronado
>enterprises, in an attempt to learn how to program in C.  I have patiently
>worked through all the examples, compiling and running all the programs
with no
>trouble until I got to Chapter 5, which discusses prototyping.  I think I
>understand the basic Idea of prototyping (declaring functions ahead of
time to
>check return values the actual functions return?), but I am having trouble
>getting gcc to check every program I write for prototyping.  (This is
>recommended in the tutorial, and I see It's value.)  While scanning
through the
>mail archives at www.delorie.com/djgpp I found many people with the same
>question.  The answer?  Use the -wall switch to enable most of the
prototyping
>checks when compiled.  I played around with this for a while, and discovered
>that I could not compile a prog with this, but coule recompile(?) a program
>with it.  For instance, I have the uncompiled source to a program, I will
call
>it myprog.c.  I type:
>
>     gcc -o -wall myprog.exe myprog.c
>
>on the command line in DOS and I get the error message:
>
>     gcc.exe: myprog.exe: No such file or directory (ENOENT)
>
>but if I compile with the command:
>
>     gcc -o myprog.exe myprog.c
>
>I get no error messages.  I can then recompile with the -wall switch (in my
>first example) and get some error messages, but apparently it compiles the
>program.
>
>My questions are:
>
>1.     Am I using the -wall switch correctly?  I really don't know DOS all
that
>well, and could be screwing up there.
>
>2.     Can I configure something to use -wall automatically, without me
having
>to type it in every time I want to use it?
>
>3.     Do I have the Idea behind protyping correct?  I am sure that I am
close,
>but not exactly right.
>
>
>Thanks in Advance,
>Carter
>(Please e-mail reply, in addition to posting.  I will check both frequently.)
>
>
>