Merging upstream version 1.70.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/tests/run-make/reproducible-build/linker.rs b/tests/run-make/reproducible-build/linker.rs
new file mode 100644
index 000000000..3dda6f190
--- /dev/null
+++ b/tests/run-make/reproducible-build/linker.rs
@@ -0,0 +1,50 @@
+use std::env;
+use std::path::Path;
+use std::fs::File;
+use std::io::{Read, Write};
+
+fn main() {
+    let mut dst = env::current_exe().unwrap();
+    dst.pop();
+    dst.push("linker-arguments1");
+    if dst.exists() {
+        dst.pop();
+        dst.push("linker-arguments2");
+        assert!(!dst.exists());
+    }
+
+    let mut out = String::new();
+    for arg in env::args().skip(1) {
+        let path = Path::new(&arg);
+        if !path.is_file() {
+            out.push_str(&arg);
+            out.push_str("\n");
+            continue
+        }
+
+        let mut contents = Vec::new();
+        File::open(path).unwrap().read_to_end(&mut contents).unwrap();
+
+        // This file is produced during linking in a temporary directory.
+        let arg = if arg.ends_with("/symbols.o") || arg.ends_with("\\symbols.o") {
+            "symbols.o"
+        } else {
+            &*arg
+        };
+        out.push_str(&format!("{}: {}\n", arg, hash(&contents)));
+    }
+
+    File::create(dst).unwrap().write_all(out.as_bytes()).unwrap();
+}
+
+// fnv hash for now
+fn hash(contents: &[u8]) -> u64 {
+    let mut hash = 0xcbf29ce484222325;
+
+    for byte in contents {
+        hash = hash ^ (*byte as u64);
+        hash = hash.wrapping_mul(0x100000001b3);
+    }
+
+    hash
+}