Compile with f16 and f128 disabled

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

0001-compiler_builtins-disable-f16-and-f128.patch

@@ -0,0 +1,29 @@
+From 0d289c6b0bbb50f62e3ca388124c29aa9127e6b9 Mon Sep 17 00:00:00 2001
+From: David Abdurachmanov <davidlt@rivosinc.com>
+Date: Thu, 14 Nov 2024 13:10:26 +0000
+Subject: [PATCH] compiler_builtins: disable f16 and f128
+
+This is needed to get 1.82.0 compiled. 1.81.0 as a boostrap compiler
+will fail as-is.
+
+Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>
+---
+ library/alloc/Cargo.toml | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml
+index 4365bcc4a..7849d463b 100644
+--- a/library/alloc/Cargo.toml
++++ b/library/alloc/Cargo.toml
+@@ -10,7 +10,7 @@ edition = "2021"
+ 
+ [dependencies]
+ core = { path = "../core" }
+-compiler_builtins = { version = "0.1.123", features = ['rustc-dep-of-std'] }
++compiler_builtins = { version = "0.1.123", features = ['rustc-dep-of-std', 'no-f16-f128'] }
+ 
+ [dev-dependencies]
+ rand = { version = "0.8.5", default-features = false, features = ["alloc"] }
+-- 
+2.47.0
+

rust.spec

@@ -1,6 +1,6 @@
 Name:           rust
 Version:        1.82.0
-Release:        %autorelease
+Release:        %autorelease -e 0.riscv64
 Summary:        The Rust Programming Language
 License:        (Apache-2.0 OR MIT) AND (Artistic-2.0 AND BSD-3-Clause AND ISC AND MIT AND MPL-2.0 AND Unicode-DFS-2016)
 # ^ written as: (rust itself) and (bundled libraries)
@@ -164,6 +164,10 @@ Patch6:         rustc-1.82.0-unbundle-sqlite.patch
 # https://github.com/rust-lang/rust/pull/130034
 Patch7:         0001-Fix-enabling-wasm-component-ld-to-match-other-tools.patch
 
+https://github.com/felixonmars/archriscv-packages/pull/4243
+https://github.com/rust-lang/rust/issues/129268#issuecomment-2430520140
+Patch9:         0001-compiler_builtins-disable-f16-and-f128.patch
+
 ### RHEL-specific patches below ###
 
 # Simple rpm macros for rust-toolset (as opposed to full rust-packaging)