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GLPK interface [was Re: Multithreaded Atlas ...]

From: Marco Atzeri
Subject: GLPK interface [was Re: Multithreaded Atlas ...]
Date: Mon, 30 Mar 2009 11:53:38 +0000 (GMT)

--- Lun 30/3/09, Tatsuro MATSUOKA  ha scritto:

> Da: Tatsuro MATSUOKA 
> Oggetto: Re: Multithreaded Atlas can be used by GCC-4.3.3-sjlj-mingw-TDM (Was 
> Re: Sjlj vs dwarf2 on mingw for octave)
> A: address@hidden, address@hidden
> Cc: "MATSUOKA Tatsuro" <address@hidden>
> Data: Lunedì 30 marzo 2009, 12:44
> Hello

> The glpk 4.34 library on Gnuwin 32 cannot be used for my
> case.  Use older version glpk 4.8 on GnuWin32
> or build the glpk libraries from source by mingw system.

This is due to upstream glpk decision to export only API
function, see my discussion about it:

from glpk src/Makefile.am
we have:

libglpk_la_LDFLAGS = -version-info 22:0:22 \
-export-symbols-regex '^(glp_|_glp_lpx_).*'

These are the two functions called by octave 
(if I am not wrong) and both are marked obsolete in glpk

but in the API there is only 
_glp_term_hook          (exported) 

so probably we need to re-write the interface...

in any case from glplibo4.c and glplibo3.c
__glp_lib_print_hook is a call to _glp_term_hook
__glp_lib_fault_hook is just an assert check.

void lib_print_hook(int (*func)(void *info, char *buf), void *info)
{     /* (obsolete) */
#if 0 /* iso c complains */
      int (*hook)(void *, const char *) = (void *)func;
      int (*hook)(void *, const char *) = (int(*)(void *, const char *))
      lib_term_hook(hook, info);
void lib_fault_hook(int (*func)(void *info, char *buf), void *info)
{     /* (obsolete) */
      xassert(func == func);
      xassert(info == info);

> Regards
> Tatsuro



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