[winGRASS] GRASS6beta1 on WINDOWS/MINGW / raster read error

[Glynn Clements]

Javier A. Yebrin wrote:

> Finally I've got most of grass modules compiled under Mingw/Msys. Then
> started to test them (first the raster modules, of course), and found some
> strange behaviour depending on the studied raster. I've used the Spearfish
> database and ran r.sum for all the present rasters (using spot.image to
> define the current region). 
> These are the results(first line the raster name, then the stdout or
> stderr):

> aspect
> WARNING: Fail of initial read of compressed file [aspect in PERMANENT]

> You may see that the response changes from one type of raster to another,
> whether it is compresed or not. 
> I'm trying to debug this module at the moment...
> 
> In the meanwhile, do you have any ideas?  

The usual reason for that error message on Windows is that something
is performing CRLF->LF conversion, which is inappropriate for a binary
file.

ISTR that the MinGW runtime includes a function to enable/disable the
conversions. You need to ensure that all I/O is done without
conversions.

-- 
Glynn Clements <glynn at gclements.plus.com>