Meson-Ninja Build Install Error on Raspberry Pi 4/Ubuntu22.04

[ARLunan]

Installed Meson (1.7.0) and colcon-meson (0.4.5) as root, all prescribed Dependancies. Following Getting Started: $ meson setup ....completed resulting in libcamera 0.4.0 , found ninja-1.10.1 at /usr/bin/ninja.

ubuntu@rp4-ub22h-mt:/libcamera$ which ninja
/usr/bin/ninja
**ubuntu@rp4-ub22h-mt:/libcamera$** which meson
/home/ubuntu/.local/bin/meson

Ninja Build ERROR: (See below transcript)

Installation failed due to insufficient permissions.
ModuleNotFoundError: No module named 'mesonbuild'
FAILED: meson-internal__install

---

MESON
ubuntu@rp4-ub22h-mt:~/libcamera$ meson setup build --buildtype=release -Dpipelines=rpi/vc4,rpi/pisp -Dipas=rpi/vc4,rpi/pisp -Dv4l2=true -Dgstreamer=enabled -Dtest=false -Dlc-compliance=disabled -Dcam=disabled -Dqcam=disabled -Ddocumentation=disabled -Dpycamera=enabled
The Meson build system
Version: 1.7.0
Source dir: /home/ubuntu/libcamera
Build dir: /home/ubuntu/libcamera/build
Build type: native build
Project name: libcamera
Project version: 0.4.0
C compiler for the host machine: cc (gcc 11.4.0 "cc (Ubuntu 11.4.0-1ubuntu122.04) 11.4.0")
C linker for the host machine: cc ld.bfd 2.38
C++ compiler for the host machine: c++ (gcc 11.4.0 "c++ (Ubuntu 11.4.0-1ubuntu122.04) 11.4.0")
C++ linker for the host machine: c++ ld.bfd 2.38
Host machine cpu family: aarch64
Host machine cpu: aarch64
.
.
[220/221] Installing files
Installing include/libcamera/ipa/core_ipa_interface.h to /usr/local/include/libcamera/libcamera/ipa
Installation failed due to insufficient permissions.
Attempt to use /usr/bin/sudo to gain elevated privileges? [y/n] I selected Y
ubuntu@rp4-ub22h-mt:~/libcamera$

RESTART

ubuntu@rp4-ub22h-mt:/libcamera$ ninja -C build install
ninja: Entering directory `build'
[1/2] Installing files
Installing include/libcamera/ipa/core_ipa_interface.h to /usr/local/include/libcamera/libcamera/ipa
Installation failed due to insufficient permissions.
Attempt to use /usr/bin/sudo to gain elevated privileges? [y/n] y
[sudo] password for ubuntu:
Traceback (most recent call last):
File "/home/ubuntu/.local/bin/meson", line 5, in
from mesonbuild.mesonmain import main
ModuleNotFoundError: No module named 'mesonbuild'
FAILED: meson-internal__install
/home/ubuntu/.local/bin/meson install --no-rebuild
ninja: build stopped: subcommand failed.
**ubuntu@rp4-ub22h-mt:/libcamera$**

---

ubuntu@rp4-ub22h-mt:~/libcamera$ which meson
/home/ubuntu/.local/bin/meson
ubuntu@rp4-ub22h-mt:~/libcamera$ which ninja
/usr/bin/ninja

Appreciate suggested troubleshooting