From mboxrd@z Thu Jan  1 00:00:00 1970
From: Zack Weinberg <zack@wolery.cumb.org>
To: "H . J . Lu" <hjl@valinux.com>
Cc: gcc@gcc.gnu.org, gcc-bugs@gcc.gnu.org
Subject: Re: Why is the -undef option removed from cpp.
Date: Thu, 29 Jun 2000 14:27:00 -0000
Message-id: <20000629142744.Z279@wolery.cumb.org>
References: <20000629135229.A24075@valinux.com>
X-SW-Source: 2000-06/msg00776.html

On Thu, Jun 29, 2000 at 01:52:29PM -0700, H . J . Lu wrote:
> The -undef option:
> 
> 	-undef Do not predefine any nonstandard macros.
> 
> is removed from cpp in gcc 2.96. But XFree86 4.0 uses
> 
> #define RawCppCmd CppCmd -undef
> 
> As the result, many files generated by RawCppCmd are empty. Why is
> it removed?

It is not removed.  Your installation is broken; you have CppCmd
pointing at an internal executable instead of the preprocessor.

zw