Meson feature mismatch
The requested meson version seems too low:
WARNING: Project targetting '>=0.37.0' but tried to use feature introduced in '0.46.0': compiler.get_supported_link_arguments_method
WARNING: Project targetting '>=0.37.0' but tried to use feature introduced in '0.46.0': compiler.has_link_argument
WARNING: Project targetting '>=0.37.0' but tried to use feature introduced in '0.46.0': compiler.has_multi_link_argument
Compiler for C supports link arguments -Wl,--no-undefined: YES
Found pkg-config: /usr/bin/pkg-config (0.28)
Program desktop-file-validate found: YES (/usr/bin/desktop-file-validate)
WARNING: Project targetting '>=0.37.0' but tried to use feature introduced in '0.50.0': install arg in configure_file
Configuring gtkhex-3.pc using configuration
Program appstream-util found: NO
Program meson_post_install.py found: YES (/usr/bin/python3 /home/jgeorg/Source/GNOME/ghex/meson_post_install.py)
Build targets in project: 11
WARNING: Project specifies a minimum meson_version '>=0.37.0' but uses features which were added in newer versions:
* 0.46.0: {'compiler.has_multi_link_argument', 'compiler.get_supported_link_arguments_method', 'compiler.has_link_argument'}
* 0.50.0: {'install arg in configure_file'}