Split rust fork setup out of test_bootstrap.sh

1 files changed, 68 insertions, 0 deletions

diff --git a/scripts/setup_rust_fork.sh b/scripts/setup_rust_fork.sh
new file mode 100644
index 00000000000..e8bedf625f7
--- /dev/null
+++ b/scripts/setup_rust_fork.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+set -e
+
+./build.sh
+source build/config.sh
+
+echo "[SETUP] Rust fork"
+git clone https://github.com/rust-lang/rust.git || true
+pushd rust
+git fetch
+git checkout -- .
+git checkout "$(rustc -V | cut -d' ' -f3 | tr -d '(')"
+
+git apply - <<EOF
+diff --git a/Cargo.toml b/Cargo.toml
+index 5bd1147cad5..10d68a2ff14 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -111,5 +111,7 @@ rustc-std-workspace-std = { path = 'library/rustc-std-workspace-std' }
+ rustc-std-workspace-alloc = { path = 'library/rustc-std-workspace-alloc' }
+ rustc-std-workspace-std = { path = 'library/rustc-std-workspace-std' }
+
++compiler_builtins = { path = "../build_sysroot/compiler-builtins" }
++
+ [patch."https://github.com/rust-lang/rust-clippy"]
+ clippy_lints = { path = "src/tools/clippy/clippy_lints" }
+diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml
+index 23e689fcae7..5f077b765b6 100644
+--- a/compiler/rustc_data_structures/Cargo.toml
++++ b/compiler/rustc_data_structures/Cargo.toml
+@@ -32,7 +32,6 @@ tempfile = "3.0.5"
+
+ [dependencies.parking_lot]
+ version = "0.11"
+-features = ["nightly"]
+
+ [target.'cfg(windows)'.dependencies]
+ winapi = { version = "0.3", features = ["fileapi", "psapi"] }
+diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml
+index d95b5b7f17f..00b6f0e3635 100644
+--- a/library/alloc/Cargo.toml
++++ b/library/alloc/Cargo.toml
+@@ -8,7 +8,7 @@ edition = "2018"
+
+ [dependencies]
+ core = { path = "../core" }
+-compiler_builtins = { version = "0.1.39", features = ['rustc-dep-of-std'] }
++compiler_builtins = { version = "0.1.39", features = ['rustc-dep-of-std', 'no-asm'] }
+
+ [dev-dependencies]
+ rand = "0.7"
+EOF
+
+cat > config.toml <<EOF
+[llvm]
+ninja = false
+
+[build]
+rustc = "$(pwd)/../build/bin/cg_clif"
+cargo = "$(rustup which cargo)"
+full-bootstrap = true
+local-rebuild = true
+
+[rust]
+codegen-backends = ["cranelift"]
+deny-warnings = false
+EOF
+popd