rust/compiler/rustc_codegen_cranelift/build.sh

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#!/usr/bin/env bash
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set -e
# Settings
export CHANNEL="release"
build_sysroot="clif"
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target_dir='build'
while [[ $# != 0 ]]; do
case $1 in
"--debug")
export CHANNEL="debug"
;;
"--sysroot")
build_sysroot=$2
shift
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;;
"--target-dir")
target_dir=$2
shift
;;
*)
echo "Unknown flag '$1'"
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echo "Usage: ./build.sh [--debug] [--sysroot none|clif|llvm] [--target-dir DIR]"
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exit 1
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;;
esac
shift
done
# Build cg_clif
unset CARGO_TARGET_DIR
unamestr=$(uname)
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if [[ "$unamestr" == 'Linux' || "$unamestr" == "FreeBSD" ]]; then
export RUSTFLAGS='-Clink-arg=-Wl,-rpath=$ORIGIN/../lib '$RUSTFLAGS
elif [[ "$unamestr" == 'Darwin' ]]; then
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export RUSTFLAGS='-Csplit-debuginfo=unpacked -Clink-arg=-Wl,-rpath,@loader_path/../lib -Zosx-rpath-install-name '$RUSTFLAGS
dylib_ext='dylib'
else
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echo "Unsupported os $unamestr"
exit 1
fi
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if [[ "$CHANNEL" == "release" ]]; then
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cargo build --release
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else
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cargo build
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fi
source scripts/ext_config.sh
rm -rf "$target_dir"
mkdir "$target_dir"
mkdir "$target_dir"/bin "$target_dir"/lib
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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 "$target_dir"
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mkdir -p "$target_dir/lib/rustlib/$TARGET_TRIPLE/lib/"
if [[ "$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/"
;;
"clif")
echo "[BUILD] sysroot"
dir=$(pwd)
cd "$target_dir"
time "$dir/build_sysroot/build_sysroot.sh"
cp lib/rustlib/*/lib/libstd-* lib/
;;
*)
echo "Unknown sysroot kind \`$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