Adding binutils to the GNU Toolchain buildbot on sourceware

[Mark Wielaard]

Hi,

I was talking to Nick what the best way was to add binutils to the
buildbot at https://builder.sourceware.org/. We came up with the
following which tests a minimal setup on a somewhat older but stable
distro:

- Debian 10, x86_64 which has Linux 4.19.235, GLIBC 2.28, gcc 8.3.0
  GNU and Binutils 2.31.1

- Only triggers a build when any files under bfd/ binutils/ gas/ ld/
  gold/ elfcpp/ include/ libiberty/ opcodes/ or the top-level
  configure or Makefile.in changes.

- configure --enable-gold --enable-shared --enable-target=all

- make all-gas all-ld all-binutils all-gold

- make check-ld check-gas check-binutils

- log files ld/ld.{log,sum} gas/testsuite/gas.{log,sum}
  binutils/binutils.{log,sum}

- Sents email to this list and any committers when the build changes
  from sucess to failure (or back).

All of this can of course be changed/extended.
There are other distros/arches available:
https://builder.sourceware.org/buildbot/#/workers
And we hope to add container based workers to support even more
distros.

We only build a smaller set of tools to make sure you get a
notification within 10 minutes if anything was broken (or fixed). We
do build gold, but don't test it because the testsuite isn't
zero-fail.

If you want Frank also has scripts to add the log files to bunsen.

The intention was that this was a zero-fail testsuite subset
(gas,ld,binutils) but we did find two ld test failures:
FAIL: Run p_align-1b with PIE
FAIL: Run p_align-1d with -Wl,-z,max-page-size=0x1000 with PIE
These tests seem to rely on a specific glibc version/bug fix. Nick is
working on a fix.

Please let me know if any if this should be changed. The intention is
that the buildbot will help with maintaining binutils, keep it
building and zero-fail. If it isn't doing that, but get annoying let
change the configuration.

Cheers,

Mark
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