[Caml-list] building OCaml on SCO UnixWare 7.01 system (problems)

[Caml-list] building OCaml on SCO UnixWare 7.01 system (problems)

[Shane Y. Gibson]

Hello,

I'm not much of a programmer, but I need to port OCaml to SCO UnixWare 
7.01  system, so I can build and run the Unison package, which utilizes 
OCaml.

During the compilation process (with both GCC 2.95 and the SCO 
Development System CC compiler), I get the following errors:

         gcc -I../../byterun -O -fno-defer-pop -Wall -Wno-unused
  	    -D_FILE_OFFSET_BITS=64  -g -c scheduler.c
	scheduler.c:97: conflicting types for `thread_t'
	/usr/include/sys/types.h:305: previous declaration of `thread_t'
	*** Error code 1 (bu21)
	UX:make: ERROR: fatal error.

The 'thread_t' declaration in types.h reads:

	#ifndef _THREAD_T
	#define _THREAD_T
	typedef id_t    thread_t;      /* thread id type       */
	#endif

I'm not sure what the issue is, but I suspect it's a fairly simple fix 
in terms of how the 'thread_t' type is being called, vs. how the include 
file is defining how it should be called?

If anyone has any thoughts or ideas, I would greatly appreciate any 
input.  This is version 3.04 of OCaml that I'm trying to build. Please 
respond with me in the TO or CC field, as I'm not a regular subscriber 
to the email list.  Thank you.

v/r
Shane


-- 
"Beyond the very extremity of fatigue and distress we may
find amounts of ease and power we never dreamed ourselves
to own, sources of strength never taxed at all because we
never push through the obstruction." -- William James

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Re: [Caml-list] building OCaml on SCO UnixWare 7.01 system (problems)

[Sven Luther]

On Wed, May 28, 2003 at 04:19:35PM -0700, Shane Y. Gibson wrote:
> 
> Hello,
> 
> I'm not much of a programmer, but I need to port OCaml to SCO UnixWare 
> 7.01  system, so I can build and run the Unison package, which utilizes 
> OCaml.

Just reinstall the box with any other possible system, SCO is out there
to screw the whole open source community, probably being paid by
microsoft, and will not survive their lawsuit against IBM anyway, so any
effort done on working with UnixWare is better spent upgrading to
another OS.

Friendly,

Sven Luther

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Re: [Caml-list] building OCaml on SCO UnixWare 7.01 system (problems)

[Xavier Leroy]

> During the compilation process (with both GCC 2.95 and the SCO 
> Development System CC compiler), I get the following errors:
> 
>          gcc -I../../byterun -O -fno-defer-pop -Wall -Wno-unused
>   	    -D_FILE_OFFSET_BITS=64  -g -c scheduler.c
> 	scheduler.c:97: conflicting types for `thread_t'
> 	/usr/include/sys/types.h:305: previous declaration of `thread_t'
> 	*** Error code 1 (bu21)
> 	UX:make: ERROR: fatal error.

That's a "namespace pollution" error: the system's include files
define things that they should not according to a number of recent
Unix standards such as SUS and Unix98.  (I must resist making an SCO joke at
that point.)

A trick that may work (it was helpful to work around a similar problem
on AIX) is to specify "-D_XOPEN_SOURCE=500":

        ./configure -cc "cc -D_XOPEN_SOURCE=500"

There might be a manual page explaining those standard conformance
directives; on Solaris and Digital Unix, it's standards(5).

Hope this helps,

- Xavier Leroy

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