Share the host's `target` directory for tests

This helps caching between runs and can help speed up turnaround time for
various operations. The old android container didn't work out for some reason
due to permissions so the definition has now been vendored locally to just
rebuild it each time.

7 files changed, 121 insertions, 9 deletions

diff --git a/.travis.yml b/.travis.yml
index a659b0dd87..46ca432b35 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -119,6 +119,8 @@ matrix:
       script: sh ci/run-docker.sh $TARGET
       install:
 
+cache: cargo
+
 notifications:
   email:
     on_success: never
diff --git a/ci/docker/arm-linux-androideabi/Dockerfile b/ci/docker/arm-linux-androideabi/Dockerfile
index 0e41ba6dbe..1911fbd879 100644
--- a/ci/docker/arm-linux-androideabi/Dockerfile
+++ b/ci/docker/arm-linux-androideabi/Dockerfile
@@ -1,4 +1,34 @@
-FROM alexcrichton/rust-slave-android:2015-11-22
-ENV CARGO_TARGET_ARM_LINUX_ANDROIDEABI_LINKER=arm-linux-androideabi-gcc \
-    PATH=$PATH:/rust/bin
-ENTRYPOINT ["sh"]
+FROM ubuntu:16.04
+
+RUN dpkg --add-architecture i386 && \
+    apt-get update && \
+    apt-get install -y --no-install-recommends \
+  file \
+  curl \
+  ca-certificates \
+  python \
+  unzip \
+  expect \
+  openjdk-9-jre \
+  libstdc++6:i386 \
+  gcc \
+  libc6-dev
+
+WORKDIR /android/
+
+COPY install-ndk.sh /android/
+RUN sh /android/install-ndk.sh
+
+ENV PATH=$PATH:/android/ndk-arm/bin:/android/sdk/tools:/android/sdk/platform-tools
+
+COPY install-sdk.sh accept-licenses.sh /android/
+RUN sh /android/install-sdk.sh
+
+ENV PATH=$PATH:/rust/bin \
+    CARGO_TARGET_ARM_LINUX_ANDROIDEABI_LINKER=arm-linux-androideabi-gcc \
+    ANDROID_EMULATOR_FORCE_32BIT=1 \
+    HOME=/tmp
+RUN chmod 755 /android/sdk/tools/*
+
+RUN cp -r /root/.android /tmp
+RUN chmod 777 -R /tmp/.android
diff --git a/ci/docker/arm-linux-androideabi/accept-licenses.sh b/ci/docker/arm-linux-androideabi/accept-licenses.sh
new file mode 100755
index 0000000000..8d8f60a5ec
--- /dev/null
+++ b/ci/docker/arm-linux-androideabi/accept-licenses.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/expect -f
+# ignore-license
+
+set timeout 1800
+set cmd [lindex $argv 0]
+set licenses [lindex $argv 1]
+
+spawn {*}$cmd
+expect {
+  "Do you accept the license '*'*" {
+        exp_send "y\r"
+        exp_continue
+  }
+  eof
+}
diff --git a/ci/docker/arm-linux-androideabi/install-ndk.sh b/ci/docker/arm-linux-androideabi/install-ndk.sh
new file mode 100644
index 0000000000..566a319184
--- /dev/null
+++ b/ci/docker/arm-linux-androideabi/install-ndk.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+# Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+set -ex
+
+curl -O https://dl.google.com/android/repository/android-ndk-r13b-linux-x86_64.zip
+unzip -q android-ndk-r13b-linux-x86_64.zip
+android-ndk-r13b/build/tools/make_standalone_toolchain.py \
+        --install-dir /android/ndk-arm \
+        --arch arm \
+        --api 24
+
+rm -rf ./android-ndk-r13b-linux-x86_64.zip ./android-ndk-r13b
diff --git a/ci/docker/arm-linux-androideabi/install-sdk.sh b/ci/docker/arm-linux-androideabi/install-sdk.sh
new file mode 100644
index 0000000000..3f20837fe0
--- /dev/null
+++ b/ci/docker/arm-linux-androideabi/install-sdk.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+# Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution and at
+# http://rust-lang.org/COPYRIGHT.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+set -ex
+
+# Prep the SDK and emulator
+#
+# Note that the update process requires that we accept a bunch of licenses, and
+# we can't just pipe `yes` into it for some reason, so we take the same strategy
+# located in https://github.com/appunite/docker by just wrapping it in a script
+# which apparently magically accepts the licenses.
+
+mkdir sdk
+curl https://dl.google.com/android/android-sdk_r24.4.1-linux.tgz | \
+    tar xzf - -C sdk --strip-components=1
+
+filter="platform-tools,android-21"
+filter="$filter,sys-img-armeabi-v7a-android-21"
+
+./accept-licenses.sh "android - update sdk -a --no-ui --filter $filter"
+
+echo "no" | android create avd \
+                --name arm-21 \
+                --target android-21 \
+                --abi armeabi-v7a
diff --git a/ci/run-docker.sh b/ci/run-docker.sh
index e34e65ffcd..a7702ae1dc 100644
--- a/ci/run-docker.sh
+++ b/ci/run-docker.sh
@@ -6,14 +6,21 @@ set -ex
 run() {
     echo $1
     docker build -t libc ci/docker/$1
+    mkdir -p target
     docker run \
+      --user `id -u`:`id -g` \
       --rm \
-      -v `rustc --print sysroot`:/rust:ro \
-      -v `pwd`:/checkout:ro \
-      -e CARGO_TARGET_DIR=/tmp/target \
-      -w /checkout \
+      --volume $HOME/.cargo:/cargo \
+      --env CARGO_HOME=/cargo \
+      --volume `rustc --print sysroot`:/rust:ro \
+      --volume `pwd`:/checkout:ro \
+      --volume `pwd`/target:/checkout/target \
+      --env CARGO_TARGET_DIR=/checkout/target \
+      --workdir /checkout \
       --privileged \
-      -it libc \
+      --interactive \
+      --tty \
+      libc \
       ci/run.sh $1
 }
 
diff --git a/libc-test/build.rs b/libc-test/build.rs
index a1bd3d98c4..defcf5aa5f 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -438,6 +438,10 @@ fn main() {
             "lio_listio" if freebsd => true,
             "lio_listio" if musl => true,
 
+            // Apparently the NDK doesn't have this defined on android, but
+            // it's in a header file?
+            "endpwent" if android => true,
+
             _ => false,
         }
     });