import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

testing/docker/rust-build/build_rust_mac.sh

@@ -0,0 +1,36 @@
+#!/bin/bash -vex
+
+set -e
+
+: WORKSPACE ${WORKSPACE:=$PWD}
+: TOOLTOOL ${TOOLTOOL:=python $WORKSPACE/tooltool.py}
+
+CORES=$(nproc || grep -c ^processor /proc/cpuinfo || sysctl -n hw.ncpu)
+echo Building on $CORES cpus...
+
+OPTIONS="--enable-debuginfo --disable-docs"
+TARGETS="x86_64-apple-darwin,i686-apple-darwin"
+
+PREFIX=${WORKSPACE}/rustc
+
+set -v
+
+mkdir -p ${WORKSPACE}/gecko-rust-mac
+pushd ${WORKSPACE}/gecko-rust-mac
+
+export MACOSX_DEPLOYMENT_TARGET=10.7
+${WORKSPACE}/rust/configure --prefix=${PREFIX} --target=${TARGETS} ${OPTIONS}
+make -j ${CORES}
+
+rm -rf ${PREFIX}
+mkdir ${PREFIX}
+make dist
+make install
+popd
+
+# Package the toolchain for upload.
+pushd ${WORKSPACE}
+rustc/bin/rustc --version
+tar cvjf rustc.tar.bz2 rustc/*
+${TOOLTOOL} add --visibility=public --unpack rustc.tar.bz2
+popd