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kernel-arch: Fix buildpaths leaking into external module compiles

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Building external kernel modules like lttng-modules was showing build paths
inside the debug symbols for the modules and breaking build reproducibility.

Fix this by adding in the mapping needed to map the kernel build directory
to something more approriate on target.

(From OE-Core rev: b56dc9009ba93174de6bf4c01e17808ef249dc5c)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie 2022-07-12 12:48:02 +01:00
parent 83f2cfb902
commit b72ee82a35
1 changed files with 1 additions and 1 deletions
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2
meta/classes/kernel-arch.bbclass
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@ -61,7 +61,7 @@ HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}"
TARGET_AR_KERNEL_ARCH ?= ""
HOST_AR_KERNEL_ARCH ?= "${TARGET_AR_KERNEL_ARCH}"
KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd ${DEBUG_PREFIX_MAP} -fdebug-prefix-map=${STAGING_KERNEL_DIR}=${KERNEL_SRC_PATH}"
KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd ${DEBUG_PREFIX_MAP} -fdebug-prefix-map=${STAGING_KERNEL_DIR}=${KERNEL_SRC_PATH} -fdebug-prefix-map=${STAGING_KERNEL_BUILDDIR}=${KERNEL_SRC_PATH}"
KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}"
TOOLCHAIN = "gcc"