Re: odd meson failure: Unknown variable "exe_name"

[Peter Maydell]

On Sun, 23 Aug 2020 at 11:45, Peter Maydell <peter.maydell@linaro.org> wrote:
>
> On my x86-64 Linux box, one of my local build trees turned out not
> to work:
>
> $ rm -rf build/x86 && mkdir build/x86 && (cd build/x86 &&
> '../../configure'
> '--target-list=arm-softmmu,aarch64-softmmu,arm-linux-user,aarch64-linux-user'
> '--enable-debug' '--cc=ccache gcc' '--audio-drv-list=pa'
> '--with-pkgversion=pm215' '--enable-trace-backends=log,dtrace'
> '--enable-docs')
>
> fails with
> [...]
> Program keycodemapdb/tools/keymap-gen found: YES
> Program scripts/decodetree.py found: YES
> Program ../scripts/modules/module_block.py found: YES
> Program nm found: YES
> Program scripts/undefsym.sh found: YES
> Program scripts/feature_to_c.sh found: YES
>
> ../../meson.build:1030:14: ERROR: Unknown variable "exe_name".
>
> A full log can be found at
> /home/petmay01/linaro/qemu-from-laptop/qemu/build/x86/meson-logs/meson-log.txt
>
> ERROR: meson setup failed
>
>
> This is the same box that's worked fine for merge testing, so
> presumably something about the particular set of configure
> options is tripping it up.

Dropping the '--enable-trace-backends=...' option lets it pass,
so that's the area where the problem is.

-- PMM