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From: glenn@cs.utexas.edu (Glenn G. Lai)
Newsgroups: comp.windows.x
Subject: Re: X11R4 & RS6000 (again)
Message-ID: <890@dimebox.cs.utexas.edu>
Date: 31 Aug 90 15:41:48 GMT
References: <9008301739.AA14217@hydrogen.chem.utah.edu>
Organization: U. Texas CS Dept., Austin, Texas
Lines: 27

rusho@hydrogen.chem.utah.edu * wrote:

    
*	I have successfully transferred the X11R4 source code to the RISC
*Sys. 6000, but building it for the RS6000 has become a pain.  Has anyone
*successfully built X11R4 on a RS6000 under AIX v3.1?  I have successfully
*created a bunch of Makefiles, but during a make Makefiles, I get errors 
*depending on which files it is trying to make.  

I haven't built an R4 server for the RS/6000, but I've built all of the
libraries for use with a beta release of `octtools 4.0' from Berkeley.
I used `xlc' instead of `cc' to get rid of some problems, but since
`xlc' complained bitterly about things like incompatible types (e.g.,

	int i;
	unsigned j;
	i = j;

is rejected), I had to put in lots of casts.  The R4 source uses Booleans for
bit fields, which is frowned upon by ANSI C (since R4's Boolean is actually
char) and rejected by `xlc'; the solution:  get rid of the bit fields.  The
only (but don't hold me to this) other change I had to make was to redefine
NULL as 0; NULL is (void *) in ANSI C, and caused lots of incompatible-type
problems for `xlc'. 


Glenn