Failed to build babl using pip install meson

[Nobody]

Hi, all:

I'm trying to build http://gegl.org/babl/  with meson. And I just followed the Quick Start at https://mesonbuild.com/Quick-guide.html, but failed with the following ERROR message:

➜  babl git:(master) ✗ DESTDIR=/usr/local meson install -C builddir
ninja: Entering directory `builddir'
[1/73] Generating git-version.h with a custom command
Installation failed due to insufficient permissions.
Attempting to use polkit to gain elevated privileges...
Traceback (most recent call last):
  File "~/.local/bin/meson", line 5, in <module>
    from mesonbuild.mesonmain import main
ModuleNotFoundError: No module named 'mesonbuild'

And my meson is as:

➜  babl git:(master) ✗ meson --version
0.55.1
➜  babl git:(master) ✗ whereis meson
meson: ~/.local/bin/meson

Can anybody give me a hand please?

Thank you ...

[Dan Kegel]

You may have multiple copies of parts of the python ecosystem
installed, stepping on each others' toes.
Try something like
mv ~/.local ~/.local.bak
pip install meson
to clean out the cruft. And/or 'sudo apt remove meson', maybe.

Of course, this will hide anything you installed earlier with pip...
but I do love a clean slate :-)
There are probably better ways to do this, but that's mine.
And you can bring back your old .local after the test with
mv ~/.local ~/.local.small
mv ~/.local.bak ~/.local
- Dan

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