RTEMS 4.11.0 build fails on Windows

[Chris Johns]

On 12/04/2017 09:24, Linda Huxley wrote:
>> That is fine. Please ask any questions, I am more than happy to help.
>
> Thanks Chris,
>
> Well, I could use some help getting Worth's patch to work.  I have tried
> making the obvious changes to his patch and I'm still getting a
> "can't find a file to patch" error.  For example, after inserting
> "/../gcc-4.9.3" into the difference commands in the patch file, I'm
> seeing the following message from the first difference in the patch:
>
> + cd newlib-2.2.0.20150423
> + chmod -R a+rX,g-w,o-w .
> + cat /C/opt/rtems/4.11.0/rtems/patches/gcc-4.9.3-20170404-1.patch
> + patch -p1
> can't find file to patch at input line 4
> Perhaps you used the wrong -p or --strip option?
> The text leading up to this was:
> --------------------------
> |diff -Naur gcc-4.9.3-orig/../gcc-4.9.3/gcc/cp/cfns.gperf
> gcc-4.9.3-fixed/../gcc-4.9.3/gcc/cp/cfns.gperf
> |--- gcc-4.9.3-orig/../gcc-4.9.3/gcc/cp/cfns.gperf    2014-01-02
> 17:23:26.000000000 -0500
> |+++ gcc-4.9.3-fixed/../gcc-4.9.3/gcc/cp/cfns.gperf    2017-04-04
> 14:35:14.729966600 -0400
> --------------------------
> File to patch:
> Skip this patch? [y]
> Skipping patch.
> 2 out of 2 hunks ignored
>
> I'd like to know if I'm interpreting the log correctly.
>

Is this a log fragment from the RSB?

> I am building from this directory:
>
> /c/opt/rtems/4.11.0/rtems/
>
> Can I assume that the script is in the following directory after the
> first command that was logged above?:
>
> /c/opt/rtems/4.11.0/rtems/build/srg4n2xwm1/newlib-2.2.0.20150423
>

The patches are in `patches` below `rtems` in the RSB. The script knows 
this and should handle it.

> I can see the target file for the first difference here:
>
> /c/opt/rtems/4.11.0/rtems/build/srg4n2xwm1/gcc-4.9.3/gcc/cp/cfns.gperf
>
> Do you have any idea about what I might be doing wrong?

Not yet. I ma creating a box to test on. My Windows VM is busy doing 
other things and I have not wanted to update MSYS2 so I have been 
building a Windows box to test builds on. Once it is running I will take 
a look.

Chris