Add empty functions for all commands defined in the autocompletion script.
When these functions are not defined, bash raises the following error:
$ meson init <TAB>-bash: _meson-init: command not found
Signed-off-by: Liam Beguin <liambeguin@gmail.com>
Move _meson-introspect() to follow the command list defined at the top
of the script which follows the help message order.
Signed-off-by: Liam Beguin <liambeguin@gmail.com>
D lang compilers have an option -release (or similar) which turns off
asserts, contracts, and other runtime type checking. This patch wires
that up to the b_ndebug flag.
Fixes#7082