rust: Upgrade 1.84.1->1.85.0

Rust stable version updated to 1.85.0
https://blog.rust-lang.org/2025/02/20/Rust-1.85.0.html

Some of the major updates:

- Update LIC_FILES_CHKSUM in libstd-rs and rust recipes.
License-Update: Unicode license text is updated to Unicode-3.0 License.
rust-lang/rust@6d2a3e9
[RP: Update LICENSE to reference Unicode-3.0]

- Pass '-Zforce-unstable-if-unmarked' to RUSTFLAGS in libstd-rs.bb
Fix: rust-lang/rust#133857 (comment)

- Downgrade bootstrap cc version causing bootstrap to fail on custom targets. (Backported from v1.85.1)
Fix: rust-lang/rust@e4ca11f

- Explicitly set float ABI for all ARM 32 bits targets.
Fix: rust-lang/rust@a51fefc

- Rust v1.85.0 tarball doesn't ship gcc tree.
Drop "remove_gcc_directory" postfunc which removed it and prevented the bloat.
Fix: rust-lang/rust@13c3f9b

Adapted the patch changes with v1.85.0:
  repro-issue-fix-with-cc-crate-hashmap.patch
  revert-link-std-statically-in-rustc_driver-feature.patch
  rust-oe-selftest.patch
  rv32-cargo-rustix-0.38.40-fix.patch

Dropped patches:
  fix-tidy-check-failure.patch since it's merged with v1.85.0.

Signed-off-by: Yash Shinde <[email protected]>
Signed-off-by: Richard Purdie <[email protected]>
(adapted from oe-core commit 3130069fdebb92f20b962fa8074564a27c3fb6b9)
Signed-off-by: Scott Murray <[email protected]>

Author: Yashinde145

classes-recipe/rust-target-config.bbclass

@@ -391,6 +391,11 @@ def rust_gen_target(d, thing, wd, arch):
     tspec['cpu'] = cpu
     if features != "":
         tspec['features'] = features
+    fpu = d.getVar('TARGET_FPU')
+    if fpu == "soft":
+        tspec['llvm-floatabi'] = "soft"
+    elif fpu == "hard":
+        tspec['llvm-floatabi'] = "hard"
     tspec['dynamic-linking'] = True
     tspec['executables'] = True
     tspec['linker-is-gnu'] = True

conf/layer.conf

@@ -13,4 +13,6 @@ LAYERSERIES_COMPAT_scarthgap-rust-mixin = "scarthgap"
 
 LAYERDEPENDS_scarthgap-rust-mixin = "core"
 
-RUSTVERSION ?= "1.84.1%"
+LICENSE_PATH += "${LAYERDIR}/files/common-licenses"
+
+RUSTVERSION ?= "1.85.0%"

files/common-licenses/Unicode-3.0

@@ -0,0 +1,39 @@
+UNICODE LICENSE V3
+
+COPYRIGHT AND PERMISSION NOTICE
+
+Copyright © 1991-2023 Unicode, Inc.
+
+NOTICE TO USER: Carefully read the following legal agreement. BY
+DOWNLOADING, INSTALLING, COPYING OR OTHERWISE USING DATA FILES, AND/OR
+SOFTWARE, YOU UNEQUIVOCALLY ACCEPT, AND AGREE TO BE BOUND BY, ALL OF THE
+TERMS AND CONDITIONS OF THIS AGREEMENT. IF YOU DO NOT AGREE, DO NOT
+DOWNLOAD, INSTALL, COPY, DISTRIBUTE OR USE THE DATA FILES OR SOFTWARE.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of data files and any associated documentation (the "Data Files") or
+software and any associated documentation (the "Software") to deal in the
+Data Files or Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, and/or sell
+copies of the Data Files or Software, and to permit persons to whom the
+Data Files or Software are furnished to do so, provided that either (a)
+this copyright and permission notice appear with all copies of the Data
+Files or Software, or (b) this copyright and permission notice appear in
+associated Documentation.
+
+THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+THIRD PARTY RIGHTS.
+
+IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE
+BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES,
+OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THE DATA
+FILES OR SOFTWARE.
+
+Except as contained in this notice, the name of a copyright holder shall
+not be used in advertising or otherwise to promote the sale, use or other
+dealings in these Data Files or Software without prior written
+authorization of the copyright holder.

recipes-devtools/rust/cargo_1.84.1.bb renamed to recipes-devtools/rust/cargo_1.85.0.bb

@@ -0,0 +1,41 @@
+Downgrade bootstrap cc version
+
+In rust v1.85.0, the upgraded cc version causes bootstrap
+to fail on custom targets. Downgrading the cc version fixes
+the error. This commit is merged with v1.85.1 and the patch
+can be dropped when upgraded to it.
+
+Upstream-Status: Backport [https://github.com/rust-lang/rust/pull/137460/commits/e4ca11f87ffca8c63aa56d45b46e62b6acc58bd7]
+
+Signed-off-by: Yash Shinde <[email protected]>
+diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock
+index a47f3af60cb..890e64e2bab 100644
+--- a/src/bootstrap/Cargo.lock
++++ b/src/bootstrap/Cargo.lock
+@@ -88,9 +88,9 @@ dependencies = [
+
+ [[package]]
+ name = "cc"
+-version = "1.2.0"
++version = "1.1.22"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "1aeb932158bd710538c73702db6945cb68a8fb08c519e6e12706b94263b36db8"
++checksum = "9540e661f81799159abee814118cc139a2004b3a3aa3ea37724a1b66530b90e0"
+ dependencies = [
+  "shlex",
+ ]
+diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml
+index ed51862390d..2c1d85b01e6 100644
+--- a/src/bootstrap/Cargo.toml
++++ b/src/bootstrap/Cargo.toml
+@@ -37,7 +37,9 @@ test = false
+ # Most of the time updating these dependencies requires modifications to the
+ # bootstrap codebase(e.g., https://github.com/rust-lang/rust/issues/124565);
+ # otherwise, some targets will fail. That's why these dependencies are explicitly pinned.
+-cc = "=1.2.0"
++#
++# Do not upgrade this crate unless https://github.com/rust-lang/cc-rs/issues/1317 is fixed.
++cc = "=1.1.22"
+ cmake = "=0.1.48"
+
+ build_helper = { path = "../build_helper" }