-cargo build || exit 1
+#!/usr/bin/env bash
+set -e
-rustc -Zcodegen-backend=$(pwd)/target/debug/librustc_codegen_cranelift.so mini_core.rs --crate-name mini_core --crate-type lib -Og &&
-rustc -Zcodegen-backend=$(pwd)/target/debug/librustc_codegen_cranelift.so -L crate=. example.rs --crate-type lib -Og &&
-rustc -Zcodegen-backend=$(pwd)/target/debug/librustc_codegen_cranelift.so ./target/libcore/src/libcore/lib.rs --crate-type lib -Og
+# Settings
+export CHANNEL="release"
+build_sysroot="clif"
+target_dir='build'
+while [[ $# != 0 ]]; do
+ case $1 in
+ "--debug")
+ export CHANNEL="debug"
+ ;;
+ "--sysroot")
+ build_sysroot=$2
+ shift
+ ;;
+ "--target-dir")
+ target_dir=$2
+ shift
+ ;;
+ *)
+ echo "Unknown flag '$1'"
+ echo "Usage: ./build.sh [--debug] [--sysroot none|clif|llvm] [--target-dir DIR]"
+ exit 1
+ ;;
+ esac
+ shift
+done
+
+# Build cg_clif
+unset CARGO_TARGET_DIR
+unamestr=$(uname)
+if [[ "$unamestr" == 'Linux' || "$unamestr" == "FreeBSD" ]]; then
+ export RUSTFLAGS='-Clink-arg=-Wl,-rpath=$ORIGIN/../lib '$RUSTFLAGS
+elif [[ "$unamestr" == 'Darwin' ]]; then
+ export RUSTFLAGS='-Csplit-debuginfo=unpacked -Clink-arg=-Wl,-rpath,@loader_path/../lib -Zosx-rpath-install-name '$RUSTFLAGS
+ dylib_ext='dylib'
+else
+ echo "Unsupported os $unamestr"
+ exit 1
+fi
+if [[ "$CHANNEL" == "release" ]]; then
+ cargo build --release
+else
+ cargo build
+fi
+
+source scripts/ext_config.sh
+
+rm -rf "$target_dir"
+mkdir "$target_dir"
+mkdir "$target_dir"/bin "$target_dir"/lib
+ln target/$CHANNEL/cg_clif{,_build_sysroot} "$target_dir"/bin
+ln target/$CHANNEL/*rustc_codegen_cranelift* "$target_dir"/lib
+ln rust-toolchain scripts/config.sh scripts/cargo.sh "$target_dir"
+
+mkdir -p "$target_dir/lib/rustlib/$TARGET_TRIPLE/lib/"
+mkdir -p "$target_dir/lib/rustlib/$HOST_TRIPLE/lib/"
+if [[ "$TARGET_TRIPLE" == "x86_64-pc-windows-gnu" ]]; then
+ cp $(rustc --print sysroot)/lib/rustlib/$TARGET_TRIPLE/lib/*.o "$target_dir/lib/rustlib/$TARGET_TRIPLE/lib/"
+fi
+
+case "$build_sysroot" in
+ "none")
+ ;;
+ "llvm")
+ cp -r $(rustc --print sysroot)/lib/rustlib/$TARGET_TRIPLE/lib "$target_dir/lib/rustlib/$TARGET_TRIPLE/"
+ if [[ "$HOST_TRIPLE" != "$TARGET_TRIPLE" ]]; then
+ cp -r $(rustc --print sysroot)/lib/rustlib/$HOST_TRIPLE/lib "$target_dir/lib/rustlib/$HOST_TRIPLE/"
+ fi
+ ;;
+ "clif")
+ echo "[BUILD] sysroot"
+ dir=$(pwd)
+ cd "$target_dir"
+ time "$dir/build_sysroot/build_sysroot.sh"
+ if [[ "$HOST_TRIPLE" != "$TARGET_TRIPLE" ]]; then
+ time TARGET_TRIPLE="$HOST_TRIPLE" "$dir/build_sysroot/build_sysroot.sh"
+ fi
+ cp lib/rustlib/*/lib/libstd-* lib/
+ ;;
+ *)
+ echo "Unknown sysroot kind \`$build_sysroot\`."
+ echo "The allowed values are:"
+ echo " none A sysroot that doesn't contain the standard library"
+ echo " llvm Copy the sysroot from rustc compiled by cg_llvm"
+ echo " clif Build a new sysroot using cg_clif"
+ exit 1
+esac