2 files changed, 73 insertions, 0 deletions

diff --git a/meta/recipes-devtools/rust/rust-source.inc b/meta/recipes-devtools/rust/rust-source.inc
index fda26534e8..b814574e55 100644
--- a/meta/recipes-devtools/rust/rust-source.inc
+++ b/meta/recipes-devtools/rust/rust-source.inc
@@ -1,6 +1,9 @@
 SRC_URI += "https://static.rust-lang.org/dist/rustc-${PV}-src.tar.xz;name=rust"
 SRC_URI[rust.sha256sum] = "6c00ef115c894c2645e60b5049a4f5dacf1dc0c993f3074f7ae4fdf4c755dd5e"
 
+SRC_URI:append:class-target:pn-rust = " file://hardcodepaths.patch"
+SRC_URI:append:class-nativesdk:pn-nativesdk-rust = " file://hardcodepaths.patch"
+
 RUSTSRC = "${WORKDIR}/rustc-${PV}-src"
 
 UPSTREAM_CHECK_URI = "https://forge.rust-lang.org/infra/other-installation-methods.html"
diff --git a/meta/recipes-devtools/rust/rust/hardcodepaths.patch b/meta/recipes-devtools/rust/rust/hardcodepaths.patch
new file mode 100644
index 0000000000..2fdfe6d463
--- /dev/null
+++ b/meta/recipes-devtools/rust/rust/hardcodepaths.patch
@@ -0,0 +1,70 @@
+When building for the target, some build paths end up embedded in the binaries. 
+These changes remove that. Further investigation is needed to work out the way
+to resolve these issues properly upstream.
+
+Upstream-Status: Inappropriate [patches need rework]
+Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
+
+Index: rustc-1.62.0-src/src/tools/clippy/src/driver.rs
+===================================================================
+--- rustc-1.62.0-src.orig/src/tools/clippy/src/driver.rs
++++ rustc-1.62.0-src/src/tools/clippy/src/driver.rs
+@@ -255,7 +255,6 @@ pub fn main() {
+                     .and_then(|out| String::from_utf8(out.stdout).ok())
+                     .map(|s| PathBuf::from(s.trim()))
+             })
+-            .or_else(|| option_env!("SYSROOT").map(PathBuf::from))
+             .or_else(|| {
+                 let home = option_env!("RUSTUP_HOME")
+                     .or(option_env!("MULTIRUST_HOME"))
+Index: rustc-1.62.0-src/compiler/rustc_codegen_llvm/src/context.rs
+===================================================================
+--- rustc-1.62.0-src.orig/compiler/rustc_codegen_llvm/src/context.rs
++++ rustc-1.62.0-src/compiler/rustc_codegen_llvm/src/context.rs
+@@ -167,46 +167,6 @@ pub unsafe fn create_module<'ll>(
+         }
+     }
+ 
+-    // Ensure the data-layout values hardcoded remain the defaults.
+-    if sess.target.is_builtin {
+-        let tm = crate::back::write::create_informational_target_machine(tcx.sess);
+-        llvm::LLVMRustSetDataLayoutFromTargetMachine(llmod, tm);
+-        llvm::LLVMRustDisposeTargetMachine(tm);
+-
+-        let llvm_data_layout = llvm::LLVMGetDataLayoutStr(llmod);
+-        let llvm_data_layout = str::from_utf8(CStr::from_ptr(llvm_data_layout).to_bytes())
+-            .expect("got a non-UTF8 data-layout from LLVM");
+-
+-        // Unfortunately LLVM target specs change over time, and right now we
+-        // don't have proper support to work with any more than one
+-        // `data_layout` than the one that is in the rust-lang/rust repo. If
+-        // this compiler is configured against a custom LLVM, we may have a
+-        // differing data layout, even though we should update our own to use
+-        // that one.
+-        //
+-        // As an interim hack, if CFG_LLVM_ROOT is not an empty string then we
+-        // disable this check entirely as we may be configured with something
+-        // that has a different target layout.
+-        //
+-        // Unsure if this will actually cause breakage when rustc is configured
+-        // as such.
+-        //
+-        // FIXME(#34960)
+-        let cfg_llvm_root = option_env!("CFG_LLVM_ROOT").unwrap_or("");
+-        let custom_llvm_used = cfg_llvm_root.trim() != "";
+-
+-        if !custom_llvm_used && target_data_layout != llvm_data_layout {
+-            bug!(
+-                "data-layout for target `{rustc_target}`, `{rustc_layout}`, \
+-                  differs from LLVM target's `{llvm_target}` default layout, `{llvm_layout}`",
+-                rustc_target = sess.opts.target_triple,
+-                rustc_layout = target_data_layout,
+-                llvm_target = sess.target.llvm_target,
+-                llvm_layout = llvm_data_layout
+-            );
+-        }
+-    }
+-
+     let data_layout = SmallCStr::new(&target_data_layout);
+     llvm::LLVMSetDataLayout(llmod, data_layout.as_ptr());
+