From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../rustc_codegen_cranelift/scripts/cargo-clif.rs  | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 compiler/rustc_codegen_cranelift/scripts/cargo-clif.rs

(limited to 'compiler/rustc_codegen_cranelift/scripts/cargo-clif.rs')

diff --git a/compiler/rustc_codegen_cranelift/scripts/cargo-clif.rs b/compiler/rustc_codegen_cranelift/scripts/cargo-clif.rs
new file mode 100644
index 000000000..9362b47fa
--- /dev/null
+++ b/compiler/rustc_codegen_cranelift/scripts/cargo-clif.rs
@@ -0,0 +1,70 @@
+use std::env;
+#[cfg(unix)]
+use std::os::unix::process::CommandExt;
+use std::path::PathBuf;
+use std::process::Command;
+
+fn main() {
+    let sysroot = PathBuf::from(env::current_exe().unwrap().parent().unwrap());
+
+    let mut rustflags = String::new();
+    rustflags.push_str(" -Cpanic=abort -Zpanic-abort-tests -Zcodegen-backend=");
+    rustflags.push_str(
+        sysroot
+            .join(if cfg!(windows) { "bin" } else { "lib" })
+            .join(
+                env::consts::DLL_PREFIX.to_string()
+                    + "rustc_codegen_cranelift"
+                    + env::consts::DLL_SUFFIX,
+            )
+            .to_str()
+            .unwrap(),
+    );
+    rustflags.push_str(" --sysroot ");
+    rustflags.push_str(sysroot.to_str().unwrap());
+    env::set_var("RUSTFLAGS", env::var("RUSTFLAGS").unwrap_or(String::new()) + &rustflags);
+    env::set_var("RUSTDOCFLAGS", env::var("RUSTDOCFLAGS").unwrap_or(String::new()) + &rustflags);
+
+    // Ensure that the right toolchain is used
+    env::set_var("RUSTUP_TOOLCHAIN", env!("RUSTUP_TOOLCHAIN"));
+
+    let args: Vec<_> = match env::args().nth(1).as_deref() {
+        Some("jit") => {
+            env::set_var(
+                "RUSTFLAGS",
+                env::var("RUSTFLAGS").unwrap_or(String::new()) + " -Cprefer-dynamic",
+            );
+            IntoIterator::into_iter(["rustc".to_string()])
+                .chain(env::args().skip(2))
+                .chain([
+                    "--".to_string(),
+                    "-Zunstable-options".to_string(),
+                    "-Cllvm-args=mode=jit".to_string(),
+                ])
+                .collect()
+        }
+        Some("lazy-jit") => {
+            env::set_var(
+                "RUSTFLAGS",
+                env::var("RUSTFLAGS").unwrap_or(String::new()) + " -Cprefer-dynamic",
+            );
+            IntoIterator::into_iter(["rustc".to_string()])
+                .chain(env::args().skip(2))
+                .chain([
+                    "--".to_string(),
+                    "-Zunstable-options".to_string(),
+                    "-Cllvm-args=mode=jit-lazy".to_string(),
+                ])
+                .collect()
+        }
+        _ => env::args().skip(1).collect(),
+    };
+
+    #[cfg(unix)]
+    Command::new("cargo").args(args).exec();
+
+    #[cfg(not(unix))]
+    std::process::exit(
+        Command::new("cargo").args(args).spawn().unwrap().wait().unwrap().code().unwrap_or(1),
+    );
+}
-- 
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