proposed patch: gcc-fullest builder to build+check multilib -m32/-m64

["Frank Ch. Eigler" <fche@elastic.org>]

Hi -

Proposing here instead of pushing because ... i'm not sure quoting is
quite right, so want to give a heads up for some trial & error.

diff --git a/builder/master.cfg b/builder/master.cfg
index cfa7f13ad683..43b893e51b49 100644
--- a/builder/master.cfg
+++ b/builder/master.cfg
@@ -4074,7 +4074,8 @@ c['builders'].append(gcc_fedora_ppc64le_builder)
 #c['builders'].append(gcc_debian_testing_x86_64_builder)
 
 def gcc_full_build_factory_gen(extra_configure_args=None,
-                               extra_setup_step=None):
+                               extra_setup_step=None,
+                               extra_check_args=None):
         gcc_full_build_factory = util.BuildFactory()
         gcc_full_build_factory.addStep(gcc_build_git_step)
         gcc_full_build_factory.addStep(gcc_rm_build_step)
@@ -4100,10 +4101,12 @@ def gcc_full_build_factory_gen(extra_configure_args=None,
                 haltOnFailure=True))
         # We want parallelism to get through this as quickly as possible.
         # Even if that means bunsen gets some parallel/duplicate log files
+        make_check_command = "make check -k -j%(prop:maxcpus)s "
+        if extra_check_args:
+                make_check_command += extra_check_args # NB: just string concat inside the sh -c
         gcc_full_build_factory.addStep(steps.Test(
                 workdir='gcc-build',
-                command=util.Interpolate(
-                        "make check -k -j%(prop:maxcpus)s || true"),
+                command=util.Interpolate(make_check_command + " || true"),
                 name='make check',
                 timeout=7200, # 2 hours
                 haltOnFailure=False, flunkOnFailure=False))
@@ -4128,11 +4131,13 @@ gcc_fullest_debian_amd64_builder = util.BuilderConfig(
                     readContainerFile('debian-stable')},
         workernames=big_vm_workers,
         tags=["gcc-full", "debian", "x86_64"],
-        factory=gcc_full_build_factory_gen([
+        factory=gcc_full_build_factory_gen(extra_configure_args=[
                 "--enable-checking=yes,extra,rtl",
                 "--enable-languages=all",
                 "--enable-host-shared",
-        ]))
+                "--enable-multilib-list=m32,m64" # multilib!
+        ],extra_check_args=r"RUNTESTFLAGS=--target_board=unix\\{,-m32\\}") # NB: quoting
+        )
 c['builders'].append(gcc_fullest_debian_amd64_builder)
 
 gcc_full_debian_amd64_builder = util.BuilderConfig(