testing: first shot at testing with travis for arm, mips, android, ...

This is based on libc and the new docker-based testing infrastructure
via posborne/rust-cross.

Signed-off-by: Paul Osborne <[email protected]>

Author: posborne

.travis.yml

@@ -1,37 +1,55 @@
 ---
-sudo: false
+sudo: required
 language: rust
 rust:
   - 1.1.0  # Oldest supported version
   - 1.2.0
   - 1.3.0
   - 1.4.0
   - 1.5.0
+  - 1.6.0
+  - 1.7.0
   - stable
   - beta
   - nightly
 
-# Failures on nightly shouldn't fail the overall build.
-matrix:
-  allow_failures:
-    - rust: nightly
+script:
+  - sh ci/run-docker.sh
 
 os:
   - linux
   - osx
 
 env:
-  - RUST_TEST_THREADS=1 ARCH=x86_64
-  - RUST_TEST_THREADS=1 ARCH=i686
+  - ARCH=x86_64
+  - ARCH=i686
 
-script:
-  - curl -sSL https://raw.githubusercontent.com/carllerche/travis-rust-matrix/master/test | RUST_TEST_THREADS=1 bash
-  - cargo doc --no-deps
-
-addons:
-  apt:
-    packages:
-      - gcc-multilib
+# Failures on nightly shouldn't fail the overall build.
+matrix:
+  fast_finish: true
+  include:
+    - os: linux
+      env: TARGET=aarch64-unknown-linux-gnu DOCKER_IMAGE=posborne/rust-cross:arm
+      rust: 1.7.0
+    - os: linux
+      env: TARGET=arm-unknown-linux-gnueabihf DOCKER_IMAGE=posborne/rust-cross:arm
+      rust: 1.7.0
+    - os: linux
+      env: TARGET=mips-unknown-linux-gnu DOCKER_IMAGE=posborne/rust-cross:mips
+      rust: 1.7.0
+    - os: linux
+      env: TARGET=mipsel-unknwon-linux-gnu DOCKER_IMAGE=posborne/rust-cross:mips
+      rust: 1.7.0
+    - os: linux
+      env: TARGET=arm-linux-androideabi DOCKER_IMAGE=posborne/rust-cross:android
+      rust: 1.7.0
+  allow_failures:
+    - rust: nightly
+    - env: TARGET=aarch64-unknown-linux-gnu DOCKER_IMAGE=posborne/rust-cross:arm
+    - env: TARGET=arm-unknown-linux-gnueabihf DOCKER_IMAGE=posborne/rust-cross:arm
+    - env: TARGET=mips-unknown-linux-gnu DOCKER_IMAGE=posborne/rust-cross:mips
+    - env: TARGET=mipsel-unknwon-linux-gnu DOCKER_IMAGE=posborne/rust-cross:mips
+    - env: TARGET=arm-linux-androideabi DOCKER_IMAGE=posborne/rust-cross:android
 
 # Deploy documentation to S3 for specific branches. At some
 # point, it would be nice to also support building docs for

ci/run-travis.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+#
+# Entry point for all travis builds, this will set up the Travis environment by
+# downloading any dependencies. It will then execute the `run.sh` script to
+# build and execute all tests.
+#
+# Much of this script was liberally stolen from rust-lang/libc
+#
+# Key variables that may be set from Travis:
+# - TRAVIS_RUST_VERSION: 1.1.0 ... stable/nightly/beta
+# - TRAVIS_OS_NAME: linux/osx
+# - DOCKER_IMAGE: posborne/rust-cross:arm
+# - TARGET: e.g. arm-unknown-linux-gnueabihf
+
+set -ex
+
+BASE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+if [ "$TRAVIS_OS_NAME" = "linux" ]; then
+  OS=unknown-linux-gnu
+else
+  OS=apple-darwin
+fi
+
+export HOST=$ARCH-$OS
+if [ "$TARGET" = "" ]; then
+  TARGET=$HOST
+fi
+
+if [ "$DOCKER_IMAGE" = "" ]; then
+  RUST_TEST_THREADS=1 cargo test
+else
+  export RUST_VERSION=${TRAVIS_RUST_VERSION}
+  export RUST_TARGET=${TARGET}
+  export DOCKER_IMAGE=${DOCKER_IMAGE}
+  ${BASE_DIR}/ci/run-docker.sh
+fi