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From: kgorlen@sapporo.dcrt.nih.gov (Keith Gorlen)
Newsgroups: comp.lang.c++
Subject: Re: Compiling NIHCL 3.0 under AT&T cfront 2.0
Summary: Sun C++ compiler bug
Keywords: NIH, multiple inheritance
Message-ID: <648@nih-csl.nih.gov>
Date: 18 Nov 90 19:52:56 GMT
References: <13066@gremlin.nrtc.northrop.com>
Sender: news@nih-csl.nih.gov
Organization: National Institutes of Health, Bethesda, MD
Lines: 37

In article <13066@gremlin.nrtc.northrop.com> kkenny@lava.nrtc.northrop.com (Kevin B. Kenny KE9TV) writes:
->
->When I try to build NIHCL under ATT cfront 2.0 on a SpacrStation
->running SunOS 4.1, there are a number of problems.
->
->(2) When I try to make the multiple-inheritance version (`make mi'),
->    the compilation fails with the following:
->
->"ArrayOb.c", line 72: error: ambiguous Object::nil and Object::nil (one not in v
->irtual base)
->"ArrayOb.c", line 129: error: ambiguous Object::nil and Object::nil (one not in
->virtual base)
->"ArrayOb.c", line 140: error: ambiguous Object::nil and Object::nil (one not in
->virtual base)
->"ArrayOb.c", line 177: error: two initializers for Collection
->"ArrayOb.c", line 177: error: two initializers for Object
->"ArrayOb.c", line 218: error: two initializers for Collection
->"ArrayOb.c", line 218: error: two initializers for Object
->
->Anyone else seen this problem before?  Any suggestions what to do
->about it?
->
->Thanks,
->
->Kevin Kenny	KE9TV			ke9tv@nrtc.northrop.com

Quite a few people have reported this problem to me.  It is a C++
compiler bug that I reported to AT&T during the R2.0 beta test period
around May, 1989.  *Some* distributions of Sun C++ R2.0 still seem to
have the bug, although the copy I use does not.  I suggest you
complain to Sun.

--
	Keith Gorlen			phone: (301) 496-1111
	Building 12A, Room 2033		uucp: uunet!kgorlen%alw.nih.gov
	National Institutes of Health	Internet: kgorlen@alw.nih.gov
	Bethesda, MD 20892