On Wed Feb 4, 2026 at 1:05 PM CET, Paul Barker wrote: > On Thu, 2026-01-29 at 08:39 -0800, Sadineni, Harish via > lists.openembedded.org wrote: >> From: Yoann Congal <[email protected]> >> >> Currently, a ccache enabled build fails with: >> | HOSTRUSTC scripts/generate_rust_target >> | HOSTCC scripts/kallsyms >> | HOSTCC scripts/sorttable >> | HOSTCC scripts/asn1_compiler >> | TOUCH include/generated/gcc-plugins.h >> | DESCEND objtool >> | error: multiple input filenames provided (first two filenames are gcc and >> .../tmp/work-shared/qemux86-64/kernel-source/scripts/generate_rust_target.rs) >> >> when using ccache, value of "HOSTCC=cache gcc" when this value is passing >> to rustc, It is thinking gcc is a input file. when ccache is not used >> "HOSTCC=gcc" is passed. >> >> Disable ccache for kernel build if rust-kernel is enabled to workaround >> this. >> >> Signed-off-by: El Mehdi YOUNES <[email protected]> >> Signed-off-by: Yoann Congal <[email protected]> >> Signed-off-by: Harish Sadineni <[email protected]> > > This patch is good, but we should try to get the issue resolved upstream > if we can so that ccache can be used. > > Has this been reported upstream yet? Could you also open a bug in our > bugzilla to track this?
Hello, For context, a lengthy discussion happened on this patch here: https://lore.kernel.org/openembedded-core/ca+tgqk9yd2wwkrhmkhoff-8n0cescsefwd2dxr4sbo9fdqx...@mail.gmail.com/t/#u And, sadly, we lack resources at the moment on our side to follow-up on this :-/ Regards, -- Yoann Congal Smile ECS
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