(maint) Add the s390x arch to the tests

Add the s390x arch but allow failures so it doesn't affect the
build result. Note that jobs.include requires explicitly adding
arch jobs for arch's other than the default amd64 arch.

Author: jonathan-albrecht-ibm

.travis.yml

@@ -1,11 +1,14 @@
 language: clojure
 lein: 2.9.10
 dist: focal
+os: linux
 
 script:
   - ./ext/travisci/install-java.sh
   - ./ext/travisci/test.sh
 jobs:
+  allow_failures:
+    - arch: s390x
   include:
     - name: "Java 17"
       env:
@@ -18,6 +21,20 @@ jobs:
       env:
         - JAVA_VERSION=17
         - MULTITHREADED=true
+    - name: "Java 17 (s390x)"
+      env:
+        - JAVA_VERSION=17
+      arch: s390x
+    - name: "Java 17 w/ FIPS (s390x)"
+      env:
+        - JAVA_VERSION=17
+        - ADDITIONAL_LEIN_ARGS="with-profile fips"
+      arch: s390x
+    - name: "Java 17 w/ multithreaded (s390x)"
+      env:
+        - JAVA_VERSION=17
+        - MULTITHREADED=true
+      arch: s390x
 
 notifications:
   email: false

ext/travisci/install-java.sh

@@ -2,10 +2,11 @@
 
 set -e
 
-echo "Installing Java $JAVA_VERSION"
+
+echo "Installing Java $JAVA_VERSION on arch $TRAVIS_CPU_ARCH"
 
 sudo rm -rf /usr/local/lib/jvm/
 sudo rm -rf /usr/lib/jvm/openjdk-$JAVA_VERSION
 sudo apt-get update
 sudo apt-get install -y openjdk-$JAVA_VERSION-jdk-headless
-export JAVA_HOME=/usr/lib/jvm/java-$JAVA_VERSION-openjdk-amd64/
+export JAVA_HOME=/usr/lib/jvm/java-$JAVA_VERSION-openjdk-$TRAVIS_CPU_ARCH/