gitlab: add initial ppc64le custom-runner test

This is a plain configure build but I only run a subset of the tests
until the kinks have been worked out.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20251117115523.3993105-13-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

.gitlab-ci.d/custom-runners.yml

@@ -31,3 +31,4 @@
 include:
   - local: '/.gitlab-ci.d/custom-runners/ubuntu-24.04-s390x.yml'
   - local: '/.gitlab-ci.d/custom-runners/ubuntu-24.04-aarch64.yml'
+  - local: '/.gitlab-ci.d/custom-runners/debian-13-ppc64le.yml'

.gitlab-ci.d/custom-runners/debian-13-ppc64le.yml

@@ -0,0 +1,41 @@
+# All jobs should run successfully in an environment setup by the
+# scripts/ci/setup/build-environment.yml task:
+# "Install basic packages to build QEMU on Ubuntu/Debian"
+
+.debian_ppc64le_template:
+  extends: .custom_runner_template
+  needs: []
+  stage: build
+  tags:
+    - debian_13
+    - ppc64le
+  rules:
+    - if: '$CI_PROJECT_NAMESPACE == $QEMU_CI_UPSTREAM && $CI_COMMIT_BRANCH =~ /^staging/'
+    - if: "$PPC64LE_RUNNER_AVAILABLE"
+  before_script:
+    - source scripts/ci/gitlab-ci-section
+    - section_start setup "Pre-script setup"
+    - JOBS=$(expr $(nproc) - 2)
+    - section_end setup
+  script:
+    - mkdir build
+    - cd build
+    - section_start configure "Running configure"
+    - ../configure $CONFIGURE_ARGS ||
+          { cat config.log meson-logs/meson-log.txt && exit 1; }
+    - section_end configure
+    - section_start build "Building QEMU"
+    - make --output-sync -j"$JOBS"
+    - section_end build
+    - section_start test "Running tests"
+    - if test -n "$MAKE_CHECK_ARGS";
+      then
+        make -j"$JOBS" $MAKE_CHECK_ARGS ;
+      fi
+    - section_end test
+
+debian-13-ppc64le-default:
+  extends: .debian_ppc64le_template
+  variables:
+    # qtest currently fails: https://gitlab.com/qemu-project/qemu/-/issues/3207
+    MAKE_CHECK_ARGS: check-unit check-tcg check-softfloat

docs/devel/testing/ci-jobs.rst.inc

@@ -174,6 +174,12 @@ If you've got access to an IBM Z host that can be used as a gitlab-CI
 runner, you can set this variable to enable the tests that require this
 kind of host. The runner should be tagged with "s390x".
 
+PPC64LE_RUNNER_AVAILABLE
+~~~~~~~~~~~~~~~~~~~~~~~~
+If you've got access to an PPC64LE host that can be used as a gitlab-CI
+runner, you can set this variable to enable the tests that require this
+kind of host. The runner should be tagged with "ppc64le".
+
 CCACHE_DISABLE
 ~~~~~~~~~~~~~~
 The jobs are configured to use "ccache" by default since this typically