Re: meta-riscv: building curl, "undefined reference to '__atomic_exchange

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Robert P. J. Day #57476 On Thu, 7 Jul 2022, Khem Raj wrote: On Thu, Jul 7, 2022 at 6:14 AM Robert P. J. Day <rpjday@...> wrote: On Thu, 7 Jul 2022, Robert P. J. Day wrote: on admittedly unsupported ubuntu 22.04 platform but it's clear this is a known issue as it's pretty much identical to what one reads here: https://github.com/advancedtelematic/aktualizr/issues/1427 the explanation being that, "not every atomic operation is currently supported by GCC on RISC-V." oddly, building a riscv64 core-image-minimal once upon a time on fedora worked just fine, so i'm assuming a difference in gcc versions is what is causing this. what is the recommended workaround for this? another data point, matches exactly what i'm referring to: https://github.com/curl/curl/issues/9055 does backporting https://github.com/curl/curl/commit/50efb0822aa0e0ab165158dd0a26e65a2290e6d2 to curl help ? as i read it, this issue is also related to -pthread versus -lpthread: https://blog.jiejiss.com/A-RISC-V-gcc-pitfall-revealed-by-a-glibc-update/ rday
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