Merge pull request #18 from japaric/ppc64le

CI: test powerpc64le-unknown-linux-gnu

.travis.yml

@@ -60,6 +60,10 @@ matrix:
             - libc6-powerpc-cross
             - libc6-dev-powerpc-cross
             - qemu-user-static
+    - env: TARGET=powerpc64le-unknown-linux-gnu
+      os: linux
+      services: docker
+      sudo: required
     - env: TARGET=x86_64-apple-darwin
       os: osx
     - env: TARGET=x86_64-unknown-linux-gnu
@@ -68,6 +72,9 @@ matrix:
     # FIXME(#2)
     - env: TARGET=armv7-unknown-linux-gnueabihf
       os: linux
+    # FIXME QEMU blows up
+    - env: TARGET=powerpc64le-unknown-linux-gnu
+      os: linux
 
 before_install:
   - export PATH="$PATH:$HOME/.cargo/bin"

ci/env.sh

@@ -28,4 +28,13 @@ case $TARGET in
         export PREFIX=powerpc-linux-gnu-
         export QEMU_LD_PREFIX=/usr/powerpc-linux-gnu
         ;;
+    powerpc64le-unknown-linux-gnu)
+        # NOTE $DOCKER values: 'y' (yes, call docker), 'i' (inside a docker container) or 'n' ("no)
+        if [[ -z $DOCKER ]]; then
+            export DOCKER=y
+        fi
+        export PREFIX=powerpc64le-linux-gnu-
+        export QEMU=qemu-ppc64le
+        export QEMU_LD_PREFIX=/usr/powerpc64le-linux-gnu
+        ;;
 esac

ci/install.sh

@@ -2,6 +2,23 @@ set -ex
 
 . $(dirname $0)/env.sh
 
+install_deps() {
+    if [[ ${DOCKER} == "i" ]]; then
+        apt-get update
+        apt-get install -y --no-install-recommends \
+                ca-certificates curl
+    fi
+}
+
+install_qemu() {
+    case $TARGET in
+        powerpc64le-unknown-linux-gnu)
+            apt-get install -y --no-install-recommends \
+                    qemu-user
+            ;;
+    esac
+}
+
 install_binutils() {
     case $TRAVIS_OS_NAME in
         osx)
@@ -16,7 +33,11 @@ install_c_toolchain() {
     case $TARGET in
         aarch64-unknown-linux-gnu)
             sudo apt-get install -y --no-install-recommends \
-                 gcc-aarch64-linux-gnu libc6-arm64-cross libc6-dev-arm64-cross
+                 gcc-aarch64-linux-gnu libc6-dev-arm64-cross
+            ;;
+        powerpc64le-unknown-linux-gnu)
+            apt-get install -y --no-install-recommends \
+                    gcc-powerpc64le-linux-gnu libc6-dev-ppc64el-cross
             ;;
         *)
             ;;
@@ -49,11 +70,15 @@ EOF
 }
 
 main() {
-    install_binutils
-    install_c_toolchain
-    install_rust
-    add_rustup_target
-    configure_cargo
+    if [[ ${DOCKER:-n} != "y" ]]; then
+        install_deps
+        install_qemu
+        install_binutils
+        install_c_toolchain
+        install_rust
+        add_rustup_target
+        configure_cargo
+    fi
 }
 
 main

ci/script.sh

@@ -12,8 +12,15 @@ run_tests() {
         export RUST_TEST_THREADS=1
     fi
 
-    cargo test --target $TARGET
-    cargo test --target $TARGET --release
+    if [[ $QEMU ]]; then
+        cargo test --target $TARGET --no-run
+        $QEMU target/**/debug/rustc_builtins-*
+        cargo test --target $TARGET --release --no-run
+        $QEMU target/**/release/rustc_builtins-*
+    else
+        cargo test --target $TARGET
+        cargo test --target $TARGET --release
+    fi
 }
 
 inspect() {
@@ -25,9 +32,23 @@ inspect() {
 }
 
 main() {
-    build
-    run_tests
-    inspect
+    if [[ $DOCKER == "y" ]]; then
+        docker run \
+               -e DOCKER=i \
+               -e TARGET=$TARGET \
+               -e TRAVIS_OS_NAME=$TRAVIS_OS_NAME \
+               -v $(pwd):/mnt \
+               ubuntu:16.04 \
+               sh -c 'set -ex;
+                      cd /mnt;
+                      export PATH="$PATH:$HOME/.cargo/bin";
+                      bash ci/install.sh;
+                      bash ci/script.sh'
+    else
+        build
+        run_tests
+        inspect
+    fi
 }
 
 main