From: Harish Sadineni <[email protected]>

Fixes for buildpaths errors after enabling rust for linux-kernel

-Introduced KRUSTFLAGS to pass `--remap-path-prefix` to rustc while
 building kernel with rust support.

Co-authored-by: El Mehdi YOUNES <[email protected]>
Signed-off-by: Harish Sadineni <[email protected]>
---
 meta/classes-recipe/kernel-yocto-rust.bbclass | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meta/classes-recipe/kernel-yocto-rust.bbclass 
b/meta/classes-recipe/kernel-yocto-rust.bbclass
index 7acc81764f..fd9ee91c79 100644
--- a/meta/classes-recipe/kernel-yocto-rust.bbclass
+++ b/meta/classes-recipe/kernel-yocto-rust.bbclass
@@ -4,6 +4,12 @@
 # SPDX-License-Identifier: MIT
 #
 
+RUST_DEBUG_REMAP = "--remap-path-prefix=${WORKDIR}=${TARGET_DBGSRC_DIR} \
+                    
--remap-path-prefix=${TMPDIR}/work-shared=${TARGET_DBGSRC_DIR} \
+"
+KRUSTFLAGS = " ${RUST_DEBUG_REMAP}"
+EXTRA_OEMAKE:append = " KRUSTFLAGS='${KRUSTFLAGS}'"
+
 RUST_KERNEL_TASK_DEPENDS ?=  "rust-native:do_populate_sysroot 
clang-native:do_populate_sysroot bindgen-cli-native:do_populate_sysroot"
 do_kernel_configme[depends] += "${RUST_KERNEL_TASK_DEPENDS}"
 
-- 
2.49.0

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