Auto merge of #818 - malbarbo:powerpc64le-test, r=alexcrichton

Add powerpc64le to CI

Author: bors

.travis.yml

@@ -71,6 +71,7 @@ matrix:
     - env: TARGET=x86_64-rumprun-netbsd
     - env: TARGET=powerpc-unknown-linux-gnu
     - env: TARGET=powerpc64-unknown-linux-gnu
+    - env: TARGET=powerpc64le-unknown-linux-gnu
     - env: TARGET=mips-unknown-linux-musl
     - env: TARGET=mipsel-unknown-linux-musl
     - env: TARGET=mips64-unknown-linux-gnuabi64

ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile

@@ -0,0 +1,11 @@
+FROM ubuntu:17.10
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        gcc libc6-dev qemu-user ca-certificates \
+        gcc-powerpc64le-linux-gnu libc6-dev-ppc64el-cross \
+        qemu-system-ppc
+
+ENV CARGO_TARGET_POWERPC64LE_UNKNOWN_LINUX_GNU_LINKER=powerpc64le-linux-gnu-gcc \
+    CARGO_TARGET_POWERPC64LE_UNKNOWN_LINUX_GNU_RUNNER="qemu-ppc64le -L /usr/powerpc64le-linux-gnu" \
+    CC=powerpc64le-linux-gnu-gcc \
+    PATH=$PATH:/rust/bin