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Re: fixing non-NS darwin

From: Dan Nicolaescu
Subject: Re: fixing non-NS darwin
Date: Sun, 03 Aug 2008 18:11:19 -0700

Adrian Robert <address@hidden> writes:

  > On Aug 3, 2008, at 11:59 AM, Dan Nicolaescu wrote:
  > > While at it, can you please get rid of  -DMAC_OSX from src/s/darwin.h?
  > After some discussion with other developers, I think there will need
  > to be some kind of #define there, analogous to WINDOWSNT in s/ms- 
  > w32.h, GNU_LINUX in s/gnu-linux.h, etc..  MAC_OSX is wrong because it
  > could be a non-OS X Darwin system.  DARWIN is wrong because that is
  > apparently defined by the system includes and/or compiler on non-OS X
  > Darwin (see below).  I don't think just the BSD4_2 that's in darwin.h
  > is specific enough.
  > I am thinking something like DARWIN_BASED_OS?

Is there something that the compiler defines by default?  If there is,
it would be better to use that instead.
If not, I'd vote for DARWIN_OS because is shorter.

  > > And please add documentation to admin/CPP-DEFINES for the DARWIN
  > > macro.
  > This is not defined anywhere in emacs, but there was this section in
  > an earlier version of darwin.h:
  > #if 0 /* Don't define DARWIN on Mac OS X because CoreFoundation.h uses
  >         it to distinguish Mac OS X from bare Darwin.  */
  > #ifndef DARWIN
  > #define DARWIN 1
  > #endif
  > #endif
  > Does anyone know where this IS defined?  Also, I've been unable to
  > find a version of CoreFoundation.h that makes the check referred to.

So what should happen to the code that checks for DARWIN ?

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