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 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