[U-Boot] [PATCH v2 0/3] Add some missing buildman features and deprecate MAKEALL

[Tom Rini <trini@ti.com>]

On Tue, Aug 05, 2014 at 08:06:25AM -0600, Simon Glass wrote:
> Hi Tom,
> 
> On 4 August 2014 15:23, Tom Rini <trini@ti.com> wrote:
> > On Mon, Aug 04, 2014 at 02:41:45PM -0600, Simon Glass wrote:
> >> Hi Tom,
> >>
> >> On 4 August 2014 07:23, Tom Rini <trini@ti.com> wrote:
> >> > On Mon, Jul 28, 2014 at 11:53:27PM -0600, Simon Glass wrote:
> >> >
> >> >> Buildman has been around for a little over a year and is used by a fair
> >> >> number of U-Boot developers. However quite a few people still use MAKEALL.
> >> >>
> >> >> Buildman was intended to replace MAKEALL, so perhaps now is a good time to
> >> >> start that process.
> >> >
> >> > OK, lets start.  First, I had to make up a special directory with
> >> > symlinks to the various toolchains, in order to get them to work with
> >> > buildman, due to the various layouts:
> >> >
> >> > $ ls -l ~/work/u-boot/toolchain-links/
> >> > total 4
> >> > lrwxrwxrwx 1 trini trini 38 Aug  1 17:09 arc_gnu_4.8-R2_prebuilt_uclibc_be -> /opt/arc_gnu_4.8-R2_prebuilt_uclibc_be
> >> > lrwxrwxrwx 1 trini trini 38 Aug  1 17:09 arc_gnu_4.8-R2_prebuilt_uclibc_le -> /opt/arc_gnu_4.8-R2_prebuilt_uclibc_le
> >> > lrwxrwxrwx 1 trini trini 24 Aug  1 17:10 bfin-elf -> /opt/uClinux-45/bfin-elf
> >> > lrwxrwxrwx 1 trini trini 32 Aug  1 17:09 m68k-linux -> /opt/gcc-4.9.0-nolibc/m68k-linux
> >> > lrwxrwxrwx 1 trini trini 34 Aug  1 17:09 microblazeel-xilinx-linux-gnu -> /opt/microblazeel-xilinx-linux-gnu
> >> > lrwxrwxrwx 1 trini trini 32 Aug  1 17:09 microblaze-xilinx-linux-gnu -> /opt/microblaze-xilinx-linux-gnu
> >> > lrwxrwxrwx 1 trini trini 66 Aug  1 17:15 mips32-linux -> /opt/eldk-5.2.1/mips/sysroots/i686-eldk-linux/usr/bin/mips32-linux
> >> > lrwxrwxrwx 1 trini trini 36 Aug  1 17:09 nds32le-linux-glibc-v1f -> /opt/nds32le/nds32le-linux-glibc-v1f
> >> > lrwxrwxrwx 1 trini trini 20 Aug  1 17:09 sparc-elf-3.4.4 -> /opt/sparc-elf-3.4.4
> >> >
> >> > I tried a few things but I couldn't get a toolchain section setup that
> >> > found all of those.  Second:
> >>
> >> OK, can you give me a trace of the output of 'buildman
> >> --list-tool-chains' - I should be able to figure out what is wrong.
> >
> > Sure but I think the problem was I couldn't get it to recurse all the
> > way down, just a few levels (which isn't a bad thing exactly, it'd be
> > going pretty deep otherwise).
> 
> It looks at the path you give, and then appends bin/ and usr/bin as
> well. Then it looks for something ending in gcc in each directory. You
> may need to specify additional search paths to make this work. My
> output with ~/.buildman:
> 
> # Buildman settings file
> 
> [toolchain]
> root: /
> #rest: /home/sjg/c/buildall/toolchains/*
> #eldk: /opt/eldk4.2/usr/bin
> #arm: /home/sjg/c/tools/arm-unknown-eabi
> avr32: /home/sjg/c/buildall/toolchains/avr32
> #m68k: /home/sjg/c/buildall/toolchains/m68k-linux
> m68k: /usr/local/m68k-uclinux-tools
> arm: /opt/linaro/gcc-linaro-arm-linux-gnueabihf-4.8-2013.08_linux
> eldk: /opt/eldk-5.2.1/powerpc/sysroots/i686-eldk-linux/usr/bin/powerpc-linux

Ah-ha, OK.  I think we need to update the README slightly, I was
thinking it was just a few keywords based on how it is now.  So I would
need to re-work my config similar to yours and then yes, it would find
everything as well.

[snip]
> > That's closer, yeah.  Oh, and -c 1 seems to do be what I want, except I
> > get:
> > $ ./tools/buildman/buildman -se 'blackfin' -c 1
> > No section: 'make-flags'
> > Traceback (most recent call last):
> >   File "./tools/buildman/buildman", line 135, in <module>
> >     control.DoBuildman(options, args)
> >   File "/home/trini/work/u-boot/u-boot/tools/buildman/control.py", line 138, in DoBuildman
> >     1)
> >   File "/home/trini/work/u-boot/u-boot/tools/buildman/../patman/patchstream.py", line 389, in GetMetaDataForList
> >     stdout = command.RunPipe(pipe, capture=True).stdout
> >   File "/home/trini/work/u-boot/u-boot/tools/buildman/../patman/command.py", line 50, in RunPipe
> >     user_pipestr =  '|'.join([' '.join(pipe) for pipe in pipe_list])
> > TypeError: sequence item 8: expected string, NoneType found
> 
> That's because it doesn't have a branch (-b <branch>). If you are just
> wanting to build the current checked-out tree, you could apply the v3
> series which supports that.

ah, ok.

> >> > Next up, is there some way to have multiple toolchains for an arch
> >> > available?  On some compute resources I have at work I throw
> >> > arm/eldk4.2, arm/eldk5.2, arm/linaro-2013.03 (since we've pinned to that
> >> > for some projects) and some various combos for powerpc as well.  I
> >> > didn't see how to do that with buildman aside from different ~/.buildman
> >> > files per invocation.
> >>
> >> Yes I remember you talking about this before. One option would be to
> >> add toolchain as a new dimension in the matrix. It might be painful
> >> though. So to be clear, you want to define multiple toolchains for an
> >> arch, and have buildman always build with all of them?
> >
> > Well, a --config-file= would be good enough so I could have
> > buildman-eldk54.cfg, buildman-eldk42.cfg, etc, etc.
> 
> OK I'll add a new patch to a v4 series to implement that. It's pretty
> trivial so should get to it today.

Thanks!

-- 
Tom
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