rust: reproducibility issue fix with v1.81

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.

Below are the links for detailed bug description & discusssion with upstream rust.
https://github.com/rust-lang/cc-rs/pull/1277

Upstream-Status: Submitted [https://github.com/rust-lang/cc-rs/pull/1277]
Signed-off-by: Harish Sadineni <Harish.Sadineni@windriver.com>
--- a/vendor/cc-1.0.97/src/command_helpers.rs
+++ b/vendor/cc-1.0.97/src/command_helpers.rs
@@ -257,6 +257,7 @@
 /// and store them in the output Object.
 pub(crate) fn objects_from_files(files: &[Arc<Path>], dst: &Path) -> Result<Vec<Object>, Error> {
     let mut objects = Vec::with_capacity(files.len());
+    let target_substring = ["rustc"];
     for file in files {
         let basename = file
             .file_name()
@@ -277,10 +278,29 @@
             })?
             .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");
diff --git a/vendor/cc-1.0.99/src/command_helpers.rs b/vendor/cc-1.0.99/src/command_helpers.rs
index fe919a5239..2b1f442019 100644
--- a/vendor/cc-1.0.99/src/command_helpers.rs
+++ b/vendor/cc-1.0.99/src/command_helpers.rs
@@ -257,6 +257,7 @@ fn wait_on_child(
 /// and store them in the output Object.
 pub(crate) fn objects_from_files(files: &[Arc<Path>], dst: &Path) -> Result<Vec<Object>, Error> {
     let mut objects = Vec::with_capacity(files.len());
+    let target_substring = ["rustc"];
     for file in files {
         let basename = file
             .file_name()
@@ -277,10 +278,29 @@ pub(crate) fn objects_from_files(files: &[Arc<Path>], dst: &Path) -> Result<Vec<
             })?
             .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");
diff --git a/vendor/cc-1.0.99/.cargo-checksum.json b/vendor/cc-1.0.99/.cargo-checksum.json
index b070eeb322..ba768ff86f 100644
--- a/vendor/cc-1.0.99/.cargo-checksum.json
+++ b/vendor/cc-1.0.99/.cargo-checksum.json
@@ -1 +1 @@
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\ No newline at end of file
+{"files":{"Cargo.toml":"3c555dbe1a698f12b66c8a5748ed52ff26ff7b8ebb12237c1a72a1cbe4b9392e","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"378f5840b258e2779c39418f3f2d7b2ba96f1c7917dd6be0713f88305dbda397","README.md":"f1ddbede208a5b78333a25dac0a7598e678e9b601a7d99a791069bddaf180dfe","src/command_helpers.rs":"4c4a9ea55a109dbeada9e23d4ec963c257a56451b5fd16c7e4e8b97374f1a2ff","src/detect_compiler_family.c":"72903b91d7a28f49b39e7d730f4c9c4bb39fb901948fa1279cd08abf392f5a29","src/lib.rs":"92440d3adb5cb6ea05596d9ca860a205d3937dbf0fc959e524bac5f2b748c1af","src/parallel/async_executor.rs":"4ce24435fff6b6555b43fee042c16bd65d4150d0346567f246b9190d85b45983","src/parallel/job_token.rs":"352a0295c965c684904329d334f3b9889db3a9c3f201701f8db44e4d00e00515","src/parallel/mod.rs":"bd9c1334d17d138c281961c690b8d8118a2d6295a7d6cd7296826255436fa063","src/parallel/stderr.rs":"a2d18ba3f2e04deb9047ece9ab7ca5452d9a76b515afbe20a76307e31597f34b","src/target_info.rs":"342be00f6215e161d8163e272a2945bb9f52f171648e15e11d46800a73186955","src/tempfile.rs":"47a58e904ac07da6682004b5b615dc83250b253a8d3e8ba1b9bcaf6cdf4fd142","src/tool.rs":"e13c439a96d8311ba8d37b9d5522cd6997d94261cbb95517c82df70525acaa7f","src/windows/com.rs":"a2800ddb81215fff2bf618336f5c4ff8e8bdb746dd18b795873c7304b3f2a5e3","src/windows/find_tools.rs":"4c350cddbce1557682b7f40cd917cc4f131ad89ff2e34c23d629014ed8d7203e","src/windows/mod.rs":"42f1ad7fee35a17686b003e6aa520d3d1940d47d2f531d626e9ae0c48ba49005","src/windows/registry.rs":"c521b72c825e8095843e73482ffa810ed066ad8bb9f86e6db0c5c143c171aba1","src/windows/setup_config.rs":"754439cbab492afd44c9755abcbec1a41c9b2c358131cee2df13c0e996dbbec8","src/windows/vs_instances.rs":"76e3cee74b5fd38ddaf533bba11fe401667c50dda5f9d064099840893eaa7587","src/windows/winapi.rs":"250d51c1826d1a2329e9889dd9f058cfce253dbf2a678b076147c6cdb5db046c","src/windows/windows_sys.rs":"5a440eb39d8a0c176b66177e8753186797793bc5d7896292c408fb44c12dfed3"},"package":"96c51067fd44124faa7f870b4b1c969379ad32b2ba805aa959430ceaa384f695"}
--- a/vendor/cc-1.0.97/.cargo-checksum.json
+++ b/vendor/cc-1.0.97/.cargo-checksum.json
@@ -1 +1 @@
-{"files":{"Cargo.toml":"5c15212a19ab7432d834b92cc7f6af9461c860fbaf2a756cda9b6f40d7b0e845","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"378f5840b258e2779c39418f3f2d7b2ba96f1c7917dd6be0713f88305dbda397","README.md":"f1ddbede208a5b78333a25dac0a7598e678e9b601a7d99a791069bddaf180dfe","src/command_helpers.rs":"15afbc35930a5a53f00d74a8910cff35caeb5511c26642cffe5630377aced901","src/detect_compiler_family.c":"72903b91d7a28f49b39e7d730f4c9c4bb39fb901948fa1279cd08abf392f5a29","src/lib.rs":"d805931c886be881ed685c3f75b104e96068c4a7e51f48c9a304b3fdebcfdcda","src/parallel/async_executor.rs":"4ce24435fff6b6555b43fee042c16bd65d4150d0346567f246b9190d85b45983","src/parallel/job_token.rs":"352a0295c965c684904329d334f3b9889db3a9c3f201701f8db44e4d00e00515","src/parallel/mod.rs":"bd9c1334d17d138c281961c690b8d8118a2d6295a7d6cd7296826255436fa063","src/parallel/stderr.rs":"a2d18ba3f2e04deb9047ece9ab7ca5452d9a76b515afbe20a76307e31597f34b","src/target_info.rs":"342be00f6215e161d8163e272a2945bb9f52f171648e15e11d46800a73186955","src/tempfile.rs":"47a58e904ac07da6682004b5b615dc83250b253a8d3e8ba1b9bcaf6cdf4fd142","src/tool.rs":"b48a7a0efbeb24dc4ccdb4326583ef074e69c670330681a5be9d5c19492e5f96","src/windows/com.rs":"be1564756c9f3ef1398eafeed7b54ba610caba28e8f6258d28a997737ebf9535","src/windows/find_tools.rs":"06aaf9d6247f407cb6077c68d0c9469f64a098eda2222059e7400588e7e05f6a","src/windows/mod.rs":"42f1ad7fee35a17686b003e6aa520d3d1940d47d2f531d626e9ae0c48ba49005","src/windows/registry.rs":"c521b72c825e8095843e73482ffa810ed066ad8bb9f86e6db0c5c143c171aba1","src/windows/setup_config.rs":"754439cbab492afd44c9755abcbec1a41c9b2c358131cee2df13c0e996dbbec8","src/windows/vs_instances.rs":"76e3cee74b5fd38ddaf533bba11fe401667c50dda5f9d064099840893eaa7587","src/windows/winapi.rs":"250d51c1826d1a2329e9889dd9f058cfce253dbf2a678b076147c6cdb5db046c","src/windows/windows_sys.rs":"5a440eb39d8a0c176b66177e8753186797793bc5d7896292c408fb44c12dfed3"},"package":"099a5357d84c4c61eb35fc8eafa9a79a902c2f76911e5747ced4e032edd8d9b4"}
\ No newline at end of file
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