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Cannot build the firmware from Ubuntu 20.04

  • I'm having some difficulty building the Onion-based firmware. I've been following the instructions here: https://github.com/OnionIoT/source using an Ubuntu 20.04 machine for the build. Here's what I get when using make -j1 V=s:

    Note that I also had to use gcc v9 as the build doesn't appear to support v10 or v11, and it doesn't appear that anything less than v9 is available anymore.

    gcc  -I.   -I/root/onion-builds/source/staging_dir/host/include   -O2 -I/root/onion-builds/source/staging_dir/host/include  -MT c-stack.o -MD -MP -MF $depbase.Tpo -c -o c-stack.o c-stack.c &&\
    mv -f $depbase.Tpo $depbase.Po
    In file included from /usr/include/signal.h:328,
                     from ./signal.h:52,
                     from c-stack.c:49:
    c-stack.c:55:26: error: missing binary operator before token "("
       55 | #elif HAVE_LIBSIGSEGV && SIGSTKSZ < 16384
          |                          ^~~~~~~~

    Any ideas? Thanks.

  • So... it seems that downgrading my system to Ubuntu 18.04 works. I hope that this thread helps someone else in that way.

    I've raised a PR to hopefully clarify: https://github.com/OnionIoT/source/pull/35

  • @huntc I used to use Ubuntu 18 for ages, when I upgrades to 20.04 I had to work through a number of issues but eventually got it working. Now using 22.04LTS since release and it works fine except for a couple of packages that need some tweaks.

  • @crispyoz Thanks. It'd be great for Onion to see that they can build on 20.04 out of the box. It is obviously doable.

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