Add build target for aarch64-unknown-none-softfloat

0001-Use-lld-provided-by-system.patch

@@ -48,6 +48,18 @@ index 5abfb8162f70..13cb43bda1a4 100644
  
      // We disable MMX and SSE for now, even though UEFI allows using them. Problem is, you have to
      // enable these CPU features explicitly before their first use, otherwise their instructions
+diff -Naur a/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs
+--- a/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs	2024-03-17 12:03:00.000000000 -0700
++++ b/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs	2024-03-22 10:02:17.742806274 -0700
+@@ -14,7 +14,7 @@
+     let opts = TargetOptions {
+         abi: "softfloat".into(),
+         linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes),
+-        linker: Some("rust-lld".into()),
++        linker: Some("lld".into()),
+         features: "+v8a,+strict-align,-neon,-fp-armv8".into(),
+         relocation_model: RelocModel::Static,
+         disable_redzone: true,
 -- 
 2.41.0
 

rust.spec

@@ -1,6 +1,6 @@
 Name:           rust
 Version:        1.77.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 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)
@@ -37,6 +37,9 @@ ExclusiveArch:  %{rust_arches}
 %global extra_targets x86_64-unknown-none x86_64-unknown-uefi
 %endif
 %endif
+%ifarch aarch64
+%global extra_targets aarch64-unknown-none-softfloat
+%endif
 %global all_targets %{?mingw_targets} %{?wasm_targets} %{?extra_targets}
 %define target_enabled() %{lua:
   print(string.find(rpm.expand(" %{all_targets} "), rpm.expand(" %1 "), 1, true) or 0)
@@ -415,6 +418,12 @@ Requires:       lld
 %target_description x86_64-unknown-uefi embedded
 %endif
 
+%if %target_enabled aarch64-unknown-none-softfloat
+%target_package aarch64-unknown-none-softfloat
+Requires:       lld
+%target_description aarch64-unknown-none-softfloat embedded
+%endif
+
 
 %package debugger-common
 Summary:        Common debugger pretty printers for Rust
@@ -994,6 +1003,10 @@ rm -rf "./build/%{rust_triple}/stage2-tools/%{rust_triple}/cit/"
 %target_files x86_64-unknown-uefi
 %endif
 
+%if %target_enabled aarch64-unknown-none-softfloat
+%target_files aarch64-unknown-none-softfloat
+%endif
+
 
 %files debugger-common
 %dir %{rustlibdir}
@@ -1071,6 +1084,9 @@ rm -rf "./build/%{rust_triple}/stage2-tools/%{rust_triple}/cit/"
 
 
 %changelog
+* Thu Mar 21 2024 Davide Cavalca <dcavalca@fedoraproject.org> - 1.77.0-2
+- Add build target for aarch64-unknown-none-softfloat
+
 * Thu Mar 21 2024 Nikita Popov <npopov@redhat.com> - 1.77.0-1
 - Update to 1.77.0