1 files changed, 39 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_gcc/build_sysroot/prepare_sysroot_src.sh b/compiler/rustc_codegen_gcc/build_sysroot/prepare_sysroot_src.sh
new file mode 100755
index 000000000..56768bbf1
--- /dev/null
+++ b/compiler/rustc_codegen_gcc/build_sysroot/prepare_sysroot_src.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -e
+cd $(dirname "$0")
+
+SRC_DIR=$(dirname $(rustup which rustc))"/../lib/rustlib/src/rust/"
+DST_DIR="sysroot_src"
+
+if [ ! -e $SRC_DIR ]; then
+    echo "Please install rust-src component"
+    exit 1
+fi
+
+rm -rf $DST_DIR
+mkdir -p $DST_DIR/library
+cp -r $SRC_DIR/library $DST_DIR/
+
+pushd $DST_DIR
+echo "[GIT] init"
+git init
+echo "[GIT] add"
+git add .
+echo "[GIT] commit"
+
+# This is needed on systems where nothing is configured.
+# git really needs something here, or it will fail.
+# Even using --author is not enough.
+git config user.email || git config user.email "none@example.com"
+git config user.name || git config user.name "None"
+
+git commit -m "Initial commit" -q
+for file in $(ls ../../patches/ | grep -v patcha); do
+echo "[GIT] apply" $file
+git apply ../../patches/$file
+git add -A
+git commit --no-gpg-sign -m "Patch $file"
+done
+popd
+
+echo "Successfully prepared libcore for building"