Date: Wed, 28 Apr 93 10:13:03 EDT
From: peprbv AT cfa0 DOT harvard DOT edu (Bob Babcock)
To: rjones AT salsa DOT abq DOT bdm DOT com
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Compiling on a 486

>I have tried using djgpp 1.08 and 1.09 unsuccessfully on a 486DX/66.  Using
>1.08 and the command line
>    gcc -c -g -I../clude aloc.c
>where clude is my include directory and aloc.c is ANSI C.  gcc responds with
>
>Borland C++ Preprocessor Version 3.1 Copyright (c) 1992 Borland
>International
>Error: Incorrect command line option: -undef

You've got Borland C 3.1 ahead of gcc in your path, so gcc is finding the
wrong cpp.exe.