tests: move cross compilation to github actions

This moves the cross compilation tests to github actions, to slightly
reduce the number of Travis tests and run them in parallel on github
actions.

Signed-off-by: Adrian Reber <areber@redhat.com>

.github/workflows/cross-compile.yml

@@ -0,0 +1,23 @@
+name: Cross Compile Tests
+
+on:
+  push:
+    branches: [ criu-dev ]
+  pull_request:
+    branches: [ criu-dev ]
+  schedule:
+    - cron:  '55 5 * * *'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        target: [armv7-cross, aarch64-cross, ppc64-cross, mips64el-cross]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run Cross Compilation Targets
+      run: >
+        sudo make -C scripts/travis ${{ matrix.target }}

.travis.yml

@@ -82,23 +82,7 @@ jobs:
       arch: amd64
       env: TR_ARCH=fedora-asan
       dist: bionic
-    - os: linux
-      arch: amd64
-      env: TR_ARCH=armv7-cross
-      dist: bionic
-    - os: linux
-      arch: amd64
-      env: TR_ARCH=aarch64-cross
-      dist: bionic
-    - os: linux
-      arch: amd64
-      env: TR_ARCH=ppc64-cross
-      dist: bionic
     - env: TR_ARCH=local STREAM_TEST=1
-    - os: linux
-      arch: amd64
-      env: TR_ARCH=mips64el-cross
-      dist: bionic
   allow_failures:
     - env: TR_ARCH=docker-test
     - env: TR_ARCH=docker-test DIST=xenial