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preprocessor woes

To: GNU libc hacker <libc-hacker at sourceware dot cygnus dot com>
Subject: preprocessor woes
From: Ulrich Drepper <drepper at redhat dot com>
Date: 19 Dec 2000 16:39:20 -0800
Reply-To: drepper at cygnus dot com (Ulrich Drepper)

I finally took the time to find out why the ld.so name for x86 with a
new gcc is now ld.so.1.  It turns out to be *again* a problem
introduced by the preprocessor changes happening these days.  Now

  i.86-.*-linux.*

gets expanded to

  i.86 -.*-linux.*

(note the extra space).  I've added -traditional to the command line
which will hopefully work for all gcc versions.  Since I'm almost
exclusively test new gcc versions you should keep an eye on it.

The morale of the story is to never expect the standard cpp to behave
sane, always use -traditional if you use cpp for anything but C code.

-- 
---------------.                          ,-.   1325 Chesapeake Terrace
Ulrich Drepper  \    ,-------------------'   \  Sunnyvale, CA 94089 USA
Red Hat          `--' drepper at redhat.com   `------------------------

Follow-Ups:
- Re: preprocessor woes
  - From: Andreas Jaeger

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