Merge commit '03f01bbe90' into update_cg_clif-2020-11-01

compiler/rustc_codegen_cranelift/build.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+set -e
+
+# Settings
+export CHANNEL="release"
+build_sysroot=1
+target_dir='build'
+while [[ $# != 0 ]]; do
+    case $1 in
+        "--debug")
+            export CHANNEL="debug"
+            ;;
+        "--without-sysroot")
+            build_sysroot=0
+            ;;
+        "--target-dir")
+            target_dir=$2
+            shift
+            ;;
+        *)
+            echo "Unknown flag '$1'"
+            echo "Usage: ./build.sh [--debug] [--without-sysroot] [--target-dir DIR]"
+            ;;
+    esac
+    shift
+done
+
+# Build cg_clif
+export RUSTFLAGS="-Zrun_dsymutil=no"
+if [[ "$CHANNEL" == "release" ]]; then
+    cargo build --release
+else
+    cargo build
+fi
+
+rm -rf $target_dir
+mkdir $target_dir
+cp -a target/$CHANNEL/cg_clif{,_build_sysroot} target/$CHANNEL/*rustc_codegen_cranelift* $target_dir/
+cp -a rust-toolchain scripts/config.sh scripts/cargo.sh $target_dir
+
+if [[ "$build_sysroot" == "1" ]]; then
+    echo "[BUILD] sysroot"
+    export CG_CLIF_INCR_CACHE_DISABLED=1
+    dir=$(pwd)
+    cd $target_dir
+    time $dir/build_sysroot/build_sysroot.sh
+fi