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    SubjectRe: [PATCH 0/2] selftests/nolibc: small simplification of test development phase
    On Mon, Jan 23, 2023 at 11:57:56PM +0700, Ammar Faizi wrote:
    > On Sat, Jan 21, 2023 at 10:34:55PM +0100, Willy Tarreau wrote:
    > > On Sat, Jan 21, 2023 at 12:00:38PM -0800, Paul E. McKenney wrote:
    > > > One dependency is of course qemu-x86_64, so in the meantime I will figure
    > > > out where I get that from. ;-)
    > >
    > > I build it from time to time from the sources, it's not that long and
    > > normally doesn't reserve me any surprises. But if you have it for other
    > > platforms it's likely that you have it for most platforms as well,
    > > including this one.
    >
    > Willy,
    >
    > Is there a way to make it work for the default qemu installation?
    > Or maybe it's a mandatory requirement to build qemu from the source?
    >
    > I use the qemu that comes from Ubuntu apt. I have "qemu-system-x86_64",
    > but no "qemu-x86_64". So, something like this...
    >
    > $ which qemu-x86_64
    > $ echo $?
    > 1
    >
    > $ which qemu-system-x86_64
    > /usr/bin/qemu-system-x86_64
    >
    > $ time make run-user
    > MKDIR sysroot/x86/include
    > make[1]: Entering directory '/home/ammarfaizi2/work/linux.work.cc/tools/include/nolibc'
    > make[2]: Entering directory '/home/ammarfaizi2/work/linux.work.cc'
    > make[2]: Leaving directory '/home/ammarfaizi2/work/linux.work.cc'
    > make[2]: Entering directory '/home/ammarfaizi2/work/linux.work.cc'
    > INSTALL /home/ammarfaizi2/work/linux.work.cc/tools/testing/selftests/nolibc/sysroot/sysroot/include
    > make[2]: Leaving directory '/home/ammarfaizi2/work/linux.work.cc'
    > make[1]: Leaving directory '/home/ammarfaizi2/work/linux.work.cc/tools/include/nolibc'
    > CC nolibc-test
    > /bin/sh: 1: qemu-x86_64: not found
    > 0 test(s) passed.
    >
    > real 0m0.506s
    > user 0m0.393s
    > sys 0m0.086s
    >
    > It would be great if we can avoid building qemu from the source. But if
    > not, let's go with that.

    I had no problems building it from source.

    One possible enhancement would be to make the error message tell the
    user to build from source, but I will let you guys debate the merits
    and drawbacks of that approach.

    Thanx, Paul

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