On 18-Feb-25 19:14, Alexander Kanavin via lists.openembedded.org wrote:
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On Tue, 18 Feb 2025 at 14:34, Varatharajan, Deepesh via
lists.openembedded.org
<deepesh.varatharajan=windriver....@lists.openembedded.org> wrote:
Rust stable version updated to 1.82.0.
https://blog.rust-lang.org/2024/10/17/Rust-1.82.0.html
Thanks. While it's good to have working recipes for each major rust
release, we're kind of falling behind upstream. Should we just jump
directly to latest rust?
Hi Alex,
The current rust release is 1.84 and we will be starting with 1.83
immediately.
I prefer to do incremental upgrades, if we jump versions the issues
debugging will be more difficult.
Thanks,
Sundeep K.
---
a/meta/recipes-devtools/rust/files/repro-issue-fix-with-cc-crate-hashmap.patch
+++
b/meta/recipes-devtools/rust/files/repro-issue-fix-with-cc-crate-hashmap.patch
@@ -1,4 +1,4 @@
-rust: reproducibility issue fix with v1.81
+rust: reproducibility issue fix with v1.82
A few crates are using the updated version of the 'cc' crate and this is
causing the generated object file names containing a unique hashmap id.
By the following changes same hash values will be genarted even for diffrent
build paths.
@@ -65,6 +65,92 @@ index fe919a5239..2b1f442019 100644
})?
.to_string_lossy();
++ // Function to find the position of the first occurrence of the
target substring
++ fn find_target_position(s: &str, targets: &[&str]) -> Option<usize> {
++ let mut pos = None;
++ for target in targets {
++ if let Some(index) = s.rfind(target) {
++ //If a target is found and pos is None, set it
++ if pos.is_none() || index < pos.unwrap() {
++ pos = Some(index);
++ }
++ }
++ }
++ pos
++ }
++
++ let filtered_dirname = if let Some(pos) = find_target_position(&dirname,
&target_substring) {
++ dirname[pos..].to_string() //Keep everything from the target
substring onwards
++ } else {
++ dirname.to_string() //If target substring is not found, keep the
original dirname
++ };
+ // Hash the dirname. This should prevent conflicts if we have multiple
+ // object files with the same filename in different subfolders.
+ let mut hasher = hash_map::DefaultHasher::new();
+- hasher.write(dirname.to_string().as_bytes());
++ hasher.write(filtered_dirname.as_bytes());
+ let obj = dst
+ .join(format!("{:016x}-{}", hasher.finish(), basename))
+ .with_extension("o");
repro-issue-fix-with-cc-crate-hashmap.patch header/commit message
should be updated to explain what this new code (added to the patch)
is for. There's presumably a problem with dirnames, what the code is
doing to address it?
Alex
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