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From: jet@karazm.math.uh.edu (J. Eric Townsend)
Newsgroups: comp.graphics,comp.windows.open-look
Subject: Re: SRGP and openwindows ?
Keywords: SGRP, openwindows, cc, gcc
Message-ID: <1990Dec16.185045.2937@lavaca.uh.edu>
Date: 16 Dec 90 18:50:45 GMT
References: <1990Dec15.170428.8738@sol.cs.wmich.edu>
Sender: nntppost@lavaca.uh.edu (NNTP Posting Service)
Organization: University of Houston -- Department of Mathematics
Lines: 20

In article <1990Dec15.170428.8738@sol.cs.wmich.edu> john@sol.cs.wmich.edu (John Kapenga) writes:
>I have been trying to get the SGRP library (Foley et al) to compile
>correctly under SUNs stock openwindows 2.0 on sparcs. SGRP was compiled
>with gcc 1.37.1 and flags effecting gcc to cc linkage were tried.
[...]
>GCCFLAGS = -fpcc-struct-return


There is a known bug in gcc-1.37.1 with passing structs over the stack.
It breaks regardless of what flags you use.  You have a two solutions:
1. Don't pass/return stacks.  This is what all good C programmers should
   strive for.

2. Don't use gcc.

--
J. Eric Townsend     Internet: jet@uh.edu    Bitnet: jet@UHOU
Systems Mangler - UH Dept. of Mathematics - (713) 749-2120
"If you are the system administrator and this is the first time you are
logging into your system, use the login name root." -- IBM RS/6000 docs