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Article View: comp.std.misc
Article #195

Re: POSIX means *Binary* Compatibility ! NOT !

#195
From: David Emery
Date: Mon, 23 Nov 1992 15:10
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Some quotes from the standard: 

"The purpose of [POSIX] is to define a standard operating system
 interface ... to support application portability at the source
 level."	(POSIX.1, pg ix, lines 1-3).

"Source, Not Object, Portability
 This part of [POSIX] has been written so that a program written and
 translated for execution on one conforming implementation may also be
 translated for execution on another conforming implementation.  This
 part of [POSIX] does not guarantee that executable (object or binary)
 code will execute under a different conforming implementation than
 that for which it was translated, even if the underlying hardware is
 identical."   (POSIX.1, page xii, lines 115-122)

If someone paid "money" for the advice that POSIX is "binary
compatable", he should get his money back from a consultant who
obviously hasn't read the POSIX.1 standard.

				dave emery
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From: emery@Dr_No.mitre.org (David Emery)
Newsgroups: comp.std.misc
Subject: Re: POSIX means *Binary* Compatibility ! NOT !
Message-ID: <EMERY.92Nov23101051@Dr_No.mitre.org>
Date: 23 Nov 92 15:10:51 GMT
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