* Add Alire support for NCursesAda source version.
* Add M4 dependency.
Windows is not supported for now.
* Leave M4 definition available for all OS.
* Enable m4 package for all package managers
Co-authored-by: GHA <actions@github.com>
In crates where there was mixed information about source releases and
externals, some properties that apply only to the former were carried over to
the new externals-only manifest.
Also applied the rest of transformations described in alire#227: no top-level
[genera] table, name/version keys, [[depends-on]] array instead of table.
Blady-Com
Fabien Chouteau
Alejandro R. Mosteo