[RFC 4/4] rust: Fix rust build failure

Deepesh.Varatharajan
2026-02-03T14:04:16Z

Target LLVM tools are installed in the sysroot for llvm-lit, which causes
Rust to pick up a target llvm-config that cannot run on the host. Overwrite
it with the native llvm-config so Rust can execute it correctly.

Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
---
meta/recipes-devtools/rust/rust_1.92.0.bb | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/meta/recipes-devtools/rust/rust_1.92.0.bb b/meta/recipes-devtools/rust/rust_1.92.0.bb
index a25f65f674..b1d8597056 100644
--- a/meta/recipes-devtools/rust/rust_1.92.0.bb
+++ b/meta/recipes-devtools/rust/rust_1.92.0.bb
@@ -234,9 +234,10 @@ rust_runx () {

# Copy the natively built llvm-config into the target so we can run it. Horrible,
# but works!
- if [ ${RUST_ALTERNATE_EXE_PATH_NATIVE} != ${RUST_ALTERNATE_EXE_PATH} -a ! -f ${RUST_ALTERNATE_EXE_PATH} ]; then
+ if [ ${RUST_ALTERNATE_EXE_PATH_NATIVE} != ${RUST_ALTERNATE_EXE_PATH} ]; then
mkdir -p `dirname ${RUST_ALTERNATE_EXE_PATH}`
- cp ${RUST_ALTERNATE_EXE_PATH_NATIVE} ${RUST_ALTERNATE_EXE_PATH}
+ rm -f ${RUST_ALTERNATE_EXE_PATH}
+ cp -f ${RUST_ALTERNATE_EXE_PATH_NATIVE} ${RUST_ALTERNATE_EXE_PATH}
patchelf --remove-rpath ${RUST_ALTERNATE_EXE_PATH}
fi

--
2.49.0