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Article #6645

Re: METAFONT Trap test fails on MIPS. Help!

#6645
From: Laurence Yaffe
Date: Tue, 09 Jan 1990 18:42
27 lines
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In article <1990Jan9.125234.3893@keysec.kse.com> gm@keysec.kse.com (Greg McGary) writes:
>MF 1.7 from the UNIX-TeX distribution fails the trap test on a MIPS b.
>I'll give a brief report here, and if some kind soul would like more of the
>gory details, I'll give a complete report via mail.

>-- Greg McGary
>-- Key Systems Engineering
>-- Work: (703) 742-7870  Home: (703) 352-0407
>-- gm@kse.com, gm@cs.duke.edu, ..!uunet!keysec!gm

    I've built both TeX and Metafont using MIPS' 2.0 compilers and had
them successfully pass the TRIP and TRAP tests.  In 'site.h', I use:

	#define SYSV
	#undef  BSD
	#undef  ANSI
	typedef signed char schar;

The 'signed char' in the last typedef is cruical.  I've tried using both
#define SYSV (and /bin/cc) and #define BSD (and /bsd43/bin/cc) - both worked
when optimization no greater than -O1 was used.  Using -O2 breaks something
in both TeX and Metafont.  I've sent MIPS a bug report about this many months
ago, but never heard whether the problem has been found.  Hope this helps.

-- 
Laurence G. Yaffe		Internet: lgy@newton.phys.washington.edu
University of Washington	  Bitnet: yaffe@uwaphast.bitnet
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References: <1990Jan9.125234.3893@keysec.kse.com>

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From: lgy@blake.acs.washington.edu (Laurence Yaffe)
Newsgroups: comp.text,comp.sys.mips
Subject: Re: METAFONT Trap test fails on MIPS.  Help!
Keywords: METAFONT, MIPS
Message-ID: <5273@blake.acs.washington.edu>
Date: 9 Jan 90 18:42:06 GMT
References: <1990Jan9.125234.3893@keysec.kse.com>
Reply-To: lgy@newton.phys.washington.edu (Laurence Yaffe)
Distribution: na
Organization: University of Washington, Seattle
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