RE: Instruction for mxe-octave to generate gcc-5.1 mingw complier

[JohnD]

> -----Original Message-----
> From: Tatsuro MATSUOKA [mailto:address@hidden
> Sent: Thursday, July 02, 2015 7:02 AM
> To: JohnD; address@hidden
> Cc: 'Philip Nienhuis'
> Subject: Re: Instruction for mxe-octave to generate gcc-5.1 mingw complier
> 
> ----- Original Message -----
> 
> > From: JohnD
> > To: 'Tatsuro MATSUOKA' ; octave-maintainers
> > Cc: 'Philip Nienhuis'
> > Date: 2015/7/2, Thu 19:16
> > Subject: RE: Instruction for mxe-octave to generate gcc-5.1 mingw
> > complier
> >
> >
> >
> >>  -----Original Message-----
> >>  From: Tatsuro MATSUOKA [mailto:address@hidden
> >>  Sent: Thursday, July 02, 2015 3:06 AM
> >>  To: address@hidden
> >>  Cc: John Donoghue; Philip Nienhuis
> >>  Subject: Instruction for mxe-octave to generate gcc-5.1 mingw
> >> complier
> >>
> >>  Hello
> >>
> >>  We have discussed the gcc-4.9.2 generated by mxe-octave on 64 bit
> >> build
> > have
> >>  problem when multilib build are used (it is necessary to use nsis
> > installer which
> >>  work only on 32 bit).
> >>
> >>  http://octave.1599824.n4.nabble.com/FYI-gcc-4-9-3-td4671271.html
> >>
> >>
> >>  Version up gcc to 5.1.0 seems to resolve the issue.
> >>
> >>  I would like to try 64bit build on mxe-octave to generate gcc-5.1.0.
> >>
> >>  I have quick look at the src directory perhaps two patch files are
> >> used
> > for gcc-
> >>  4.9.2.
> >>   Are those required for 5.1.0?
> >>   Are additional patches required?
> >>
> >>  If you show us the instruction, it will be useful to try to build
> >> octave
> > on 64 bit
> >>  environments.
> >>
> >>  Tatsuro
> >
> > See http://hg.octave.org/mxe-octave/rev/ee802fc5dd9b
> > Ignore the libgpg_error changes in the patch. You can probally also
> > leave the version of isl as it is
> 
> 
> Thank you for your information.
> Now my PC is working for mxe-octave build --enable-windows-64 with gcc
> 5.1.0.
> 
> Tatsuro

On a related note - I believe I have just worked out and fixed the issue
with 4.9.2 win64 gcc.
I need to fix my patch and test it a little more and then will push it out.