ci: Add native s390x

.travis.yml

@@ -29,18 +29,14 @@ version: ~> 1.0
 
 dist: xenial
 os: linux
-language: minimal
+language: shell
 arch: amd64
 cache:
   ccache: true
   directories:
     - $TRAVIS_BUILD_DIR/depends/built
-    - $TRAVIS_BUILD_DIR/depends/sdk-sources
     - $TRAVIS_BUILD_DIR/ci/scratch/.ccache
     - $TRAVIS_BUILD_DIR/releases/$HOST
-    # macOS
-    - $HOME/Library/Caches/Homebrew
-    - /usr/local/Homebrew
 before_cache:
   - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then brew cleanup; fi
 stages:
@@ -91,6 +87,26 @@ jobs:
         FILE_ENV="./ci/test/00_setup_env_arm.sh"
         QEMU_USER_CMD=""
 
+    - stage: test
+      name: 's390x native BE [GOAL: install] [bionic] [no depends, no GUI]'
+      arch: s390x
+      dist: bionic
+      addons:
+        apt:
+          packages:
+            - bsdmainutils
+            - libboost-filesystem-dev
+            - libboost-system-dev
+            - libboost-test-dev
+            - libboost-thread-dev
+            - libdb++-dev
+            - libdb-dev
+            - libevent-dev
+      env: >-
+        RUN_CI_ON_HOST=true
+        CI_USE_APT_INSTALL=no
+        FILE_ENV="./ci/test/00_setup_env_s390x_host.sh"
+
 # s390 build was disabled temporarily because of disk space issues on the Travis VM
 #
 #    - stage: test
@@ -148,6 +164,14 @@ jobs:
 
     - stage: test
       name: 'macOS 10.12  [GOAL: deploy] [no functional tests]'
+      cache:
+        directories:
+          - $TRAVIS_BUILD_DIR/depends/built
+          - $TRAVIS_BUILD_DIR/depends/sdk-sources
+          - $TRAVIS_BUILD_DIR/ci/scratch/.ccache
+          - $TRAVIS_BUILD_DIR/releases/$HOST
+          - $HOME/Library/Caches/Homebrew
+          - /usr/local/Homebrew
       env: >-
         FILE_ENV="./ci/test/00_setup_env_mac.sh"
 
@@ -158,6 +182,12 @@ jobs:
       # Xcode 11.3.1, macOS 10.14, SDK 10.15
       # https://docs.travis-ci.com/user/reference/osx/#macos-version
       osx_image: xcode11.3
+      cache:
+        directories:
+          - $TRAVIS_BUILD_DIR/ci/scratch/.ccache
+          - $TRAVIS_BUILD_DIR/releases/$HOST
+          - $HOME/Library/Caches/Homebrew
+          - /usr/local/Homebrew
       addons:
         homebrew:
           packages:
@@ -171,4 +201,6 @@ jobs:
           - ccache
           - zeromq
       env: >-
+        RUN_CI_ON_HOST=true
+        CI_USE_APT_INSTALL=no
         FILE_ENV="./ci/test/00_setup_env_mac_host.sh"

ci/test/00_setup_env_mac_host.sh

@@ -8,7 +8,6 @@ export LC_ALL=C.UTF-8
 
 export HOST=x86_64-apple-darwin16
 export PIP_PACKAGES="zmq"
-export RUN_CI_ON_HOST=true
 export RUN_UNIT_TESTS=true
 export RUN_FUNCTIONAL_TESTS=false
 export GOAL="install"

ci/test/00_setup_env_s390x_host.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2019 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+export LC_ALL=C.UTF-8
+
+export HOST=s390x-linux-gnu
+export NO_DEPENDS=1
+export BITCOIN_CONFIG="--with-incompatible-bdb --enable-reduce-exports"
+export RUN_UNIT_TESTS=true
+export RUN_FUNCTIONAL_TESTS=true
+export GOAL="install"

ci/test/04_install.sh

@@ -66,8 +66,7 @@ fi
 if [[ $DOCKER_NAME_TAG == centos* ]]; then
   ${CI_RETRY_EXE} DOCKER_EXEC yum -y install epel-release
   ${CI_RETRY_EXE} DOCKER_EXEC yum -y install $DOCKER_PACKAGES $PACKAGES
-elif [ "$TRAVIS_OS_NAME" != "osx" ]; then
-  ${CI_RETRY_EXE} DOCKER_EXEC apt-get update
+elif [ $CI_USE_APT_INSTALL != "no" ]; then
   ${CI_RETRY_EXE} DOCKER_EXEC apt-get install --no-install-recommends --no-upgrade -y $PACKAGES $DOCKER_PACKAGES
 fi
 
@@ -77,6 +76,7 @@ if [ "$TRAVIS_OS_NAME" == "osx" ]; then
 else
   DOCKER_EXEC free -m -h
   DOCKER_EXEC echo "Number of CPUs \(nproc\):" \$\(nproc\)
+  DOCKER_EXEC echo $(lscpu | grep Endian)
   DOCKER_EXEC echo "Free disk space:"
   DOCKER_EXEC df -h
 fi