Issue Compiling the Tool Suite on Windows 10

[Joel Sherrill]

On Mon, Sep 27, 2021, 9:32 AM Christian MAUDERER <
christian.mauderer at embedded-brains.de> wrote:

> Hello Luke,
>
> compiling the tool suite on Windows is a bit tricky in my experience and
> it needs ages. I just recently wanted to try a patch that would prefer
> python3 and had quite some problems with it:
>
> https://lists.rtems.org/pipermail/devel/2021-August/069006.html
>
>  From what I can say at the moment, I think your best bet is using msys2
> and not cygwin (if you have the choice). You'll need flex additionally
> to the packets given in the manual here:
>
>      https://docs.rtems.org/branches/master/user/hosts/windows.html#msys2
>
> For my patch that didn't work but I think with the current upstream RSB
> it should work.
>

Piling on, gdb 9 (RTEMS 5) will no longer build on Cygwin. Google finds
plenty of discussion on this and other packages.  I've discussed how to
deal with this with Chris. Looks I will be spending a small patch rather
than upgrading that branch to gdb 10.


> Best regards
>
> Christian
>
> Am 23.09.21 um 18:37 schrieb Luke Halberstadt:
> > Dear Sir/Madam,
> >
> > I am working on compiling the RTEMS toolchain on a Windows machine
> following the instructions provided here:
> > https://docs.rtems.org/branches/master/user/hosts/windows.html#cygwin
> >
> > Both Cygwin and MSYS2 are installed along with most of the recommended
> packages, however, I could not find the gcc4* or python packages. Instead,
> I installed similar gcc* and python2 packages.
> >
> > When I compile using the following command,
> > ../source-builder/sb-set-builder --prefix=/cygdrive/c/opt/rtmes/5.1
> 5/rtems-sparc --jobs=none
> >
> > The build makes it up to building gdb and then fails with a python error.
> > building: sparc-rtems5-gdb-9.1-x86_64-pc-cygwin-1
> > error: building sparc-rtems5-gdb-9.1-x86_64-pc-cygwin-1
> >
> > I have attached the rsb-report and log files The key issue seems to be
> in the following lines of the report:
> > checking whether to use python... /usr/bin/python2
> > checking for python... no
> > configure: error: no usable python found at /usr/bin/python2
> > make[1]: *** [Makefile:8869: configure-gdb] Error 1
> > make[1]: Leaving directory
> '/cygdrive/c/opt/rtems/5.1/rtems/build/sparc-rtems5-gdb-9.1-x86_64-pc-cygwin-1/build'
> > make: *** [Makefile:855: all] Error 2
> > shell cmd failed: sh -ex
> /cygdrive/c/opt/rtems/5.1/rtems/build/sparc-rtems5-gdb-9.1-x86_64-pc-cygwin-1/do-build
> > error: building sparc-rtems5-gdb-9.1-x86_64-pc-cygwin-1
> >
> > By default, Python is installed at /bin, not /usr/bin, so I tried
> copying the python files from /bin to /usr/bin, but that did not resolve
> the issue. I attached a screenshot showing the contents of /usr/bin when
> this failure occurred.
> >
> > Any ideas how to get around this problem so that gcc recognizes the
> python installation? Thank you for your input.
> >
> > Sincerely,
> >
> > Luke Halberstadt
> > Senior Associate Training Engineer
> > Natick, MA USA
> > (508) 647-0196
> > lhalbers at mathworks.com<mailto:lhalbers at mathworks.com>
> >
> >
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> > users at rtems.org
> > http://lists.rtems.org/mailman/listinfo/users
> >
>
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