RTEMS 4.11.0 build fails on Windows

[Gedare Bloom]

On Tue, Apr 11, 2017 at 10:31 PM, Linda Huxley <lhuxley at shaw.ca> wrote:
> Thanks Chris,
>
>> Is this a log fragment from the RSB?
>
> Yes.  There are 4 patches in Worth's patch file.  That is just the piece of
> the log that shows the problem with the first patch.  (All 4 patches have
> the same problem.)
>
> My command line looks like this:
>
> /c/opt/rtems/4.11.0/rtems $ ../source-builder/sb-set-builder
> --prefix=/opt/rtems/4.11.0 4.11/rtems-sparc --jobs=none
>
>> The patches are in `patches` below `rtems` in the RSB. The script
>> knows this and should handle it.
>
> Yes, I have placed the modified patch file here (I have no rsb directory):
>
> /c/opt/rtems/4.11.0/rtems/patches $ ls
> automake-1.12.6-bugzilla.redhat.com-1239379.diff  gcc-4.9.3-20170404-1.patch
>
It looks like rtems-source-builder exists in your /c/opt/rtems/4.11.0.
So this location appears correct from that regards.

A bit more below:

> Regards,
>
> Linda
>
>
> On 2017-04-11 18:35, Chris Johns wrote:
>>
>> 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.
>>>
>>

The patch is for gcc-4.9.3, but the RSB is trying to apply it to
newlib. (cd newlib ... patch). So the patch command cannot find the
file to patch since it is part of the gcc source tree, not of newlib.

Change your manual modifications from
%patch add newlib file:///c/opt/rtems/4.11.0/rtems/gcc-4.9.3-20170404-1.patch
to
%patch add gcc file://gcc-4.9.3-20170404-1.patch

-Gedare

>> 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
>>
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