Re: [OE-core] [PATCH] cargo-c: fix debug symbols containing TMPDIR references

Frédéric Martinsons
2025-10-09T10:04:16Z

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On Thu, 9 Oct 2025 at 08:45, Yash Shinde <Yash.Shinde@windriver.com> wrote:

>
> On 08-10-2025 23:13, Frédéric Martinsons wrote:
>
> Do you think it is cargo-c specific? Or all recipes which inherits cargo
> class must have that?
>
> The error logs pointed out to cargo-c binaries only.
> For cargo, DEBUG_PREFIX_MAP is already defined:
>
> https://git.yoctoproject.org/poky/tree/meta/recipes-devtools/rust/cargo_1.90.0.bb#n22
>
> This remaps the rust source path i.e $RUSTSRC.
> However, cargo-c uses a separate source installation directory
> ($CARGO_HOME) which isn't covered
> by DEBUG_PREFIX_MAP.
>
>
Thanks !

>
> Regards,
> Yash
>
> Le mer. 8 oct. 2025, 15:01, Yash Shinde via lists.openembedded.org
> <https://urldefense.com/v3/__http://lists.openembedded.org__;!!AjveYdw8EvQ!eT6NUyxobn9jkx3pHarcK-637_es2YI-QyHcS2uLhyDXsf2bIzqgfXyiGljcR3YtFoalO9cR6w0vcM-0RUYHKsb9Ca4-IUA$>
> <Yash.Shinde=windriver.com@lists.openembedded.org> a écrit :
>
>> From: Yash Shinde <Yash.Shinde@windriver.com>
>>
>> When building cargo-c with DEBUG mode, QA checks fail due to
>> absolute paths from the build environment (TMPDIR) being embedded into
>> the debug symbols/binaries. This causes issues such as:
>>
>> ERROR: do_package_qa: File /usr/bin/.debug/cargo-capi contains
>> reference to TMPDIR [buildpaths]
>> ERROR: do_package_qa: File /usr/bin/.debug/cargo-cinstall contains
>> reference to TMPDIR [buildpaths]
>> ERROR: do_package_qa: File /usr/bin/.debug/cargo-cbuild contains
>> reference to TMPDIR [buildpaths]
>> ERROR: do_package_qa: File /usr/bin/.debug/cargo-ctest contains
>> reference to TMPDIR [buildpaths]
>>
>> To fix this, pass an additional -ffile-prefix-map option to
>> DEBUG_PREFIX_MAP to
>> ensure that paths under `${CARGO_HOME}` are remapped to
>> `${TARGET_DBGSRC_DIR}`.
>> This ensures debug info is reproducible and does not leak host-specific
>> paths.
>>
>> Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
>> ---
>> meta/recipes-devtools/rust/cargo-c_0.10.16+cargo-0.91.0.bb
>> <https://urldefense.com/v3/__http://cargo-0.91.0.bb__;!!AjveYdw8EvQ!eT6NUyxobn9jkx3pHarcK-637_es2YI-QyHcS2uLhyDXsf2bIzqgfXyiGljcR3YtFoalO9cR6w0vcM-0RUYHKsb90kr3UWQ$>
>> | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/meta/recipes-devtools/rust/cargo-c_0.10.16+cargo-0.91.0.bb
>> <https://urldefense.com/v3/__http://cargo-0.91.0.bb__;!!AjveYdw8EvQ!eT6NUyxobn9jkx3pHarcK-637_es2YI-QyHcS2uLhyDXsf2bIzqgfXyiGljcR3YtFoalO9cR6w0vcM-0RUYHKsb90kr3UWQ$>
>> b/meta/recipes-devtools/rust/cargo-c_0.10.16+cargo-0.91.0.bb
>> <https://urldefense.com/v3/__http://cargo-0.91.0.bb__;!!AjveYdw8EvQ!eT6NUyxobn9jkx3pHarcK-637_es2YI-QyHcS2uLhyDXsf2bIzqgfXyiGljcR3YtFoalO9cR6w0vcM-0RUYHKsb90kr3UWQ$>
>> index fd15f02da9..5ef68e13c2 100644
>> --- a/meta/recipes-devtools/rust/cargo-c_0.10.16+cargo-0.91.0.bb
>> <https://urldefense.com/v3/__http://cargo-0.91.0.bb__;!!AjveYdw8EvQ!eT6NUyxobn9jkx3pHarcK-637_es2YI-QyHcS2uLhyDXsf2bIzqgfXyiGljcR3YtFoalO9cR6w0vcM-0RUYHKsb90kr3UWQ$>
>> +++ b/meta/recipes-devtools/rust/cargo-c_0.10.16+cargo-0.91.0.bb
>> <https://urldefense.com/v3/__http://cargo-0.91.0.bb__;!!AjveYdw8EvQ!eT6NUyxobn9jkx3pHarcK-637_es2YI-QyHcS2uLhyDXsf2bIzqgfXyiGljcR3YtFoalO9cR6w0vcM-0RUYHKsb90kr3UWQ$>
>> @@ -12,6 +12,8 @@ SRC_URI = "crate://crates.io/cargo-c/${PV};name=cargo-c
>> <https://urldefense.com/v3/__http://crates.io/cargo-c/$*7BPV*7D;name=cargo-c__;JSU!!AjveYdw8EvQ!eT6NUyxobn9jkx3pHarcK-637_es2YI-QyHcS2uLhyDXsf2bIzqgfXyiGljcR3YtFoalO9cR6w0vcM-0RUYHKsb9-NilF0c$>
>> \
>> SRC_URI[cargo-c.sha256sum] =
>> "17d431789b050b0fcf678455dfd5ceb7e5b45cd806140f8fe03b16b995d6cbff"
>> S = "${CARGO_VENDORING_DIRECTORY}/cargo-c-${PV}"
>>
>> +DEBUG_PREFIX_MAP +=
>> "-ffile-prefix-map=${CARGO_HOME}=${TARGET_DBGSRC_DIR}"
>> +
>> inherit cargo cargo-update-recipe-crates pkgconfig
>>
>> DEPENDS = "openssl curl"
>> --
>> 2.49.0
>>
>>
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>> [frederic.martinsons@gmail.com]
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>> --
> Regards,
> Yash Shinde
>
>

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