New upstream version 2018.6

rust/vendor/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile

@@ -0,0 +1,10 @@
+FROM ubuntu:17.10
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        gcc libc6-dev qemu-user ca-certificates \
+        gcc-mips-linux-gnu libc6-dev-mips-cross \
+        qemu-system-mips
+
+ENV CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_LINKER=mips-linux-gnu-gcc \
+    CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_RUNNER="qemu-mips -L /usr/mips-linux-gnu" \
+    PATH=$PATH:/rust/bin