Management for relative paths in global build parameters

[SF Markus Elfring]

Hello,

Software development projects can grow in the way that corresponding components
will be stored in several subdirectories. Such a project organisation has got
consequences on the management of some dependencies.

Now I am looking for advanced support possibilities by the make software
once more.

Components in these subdirectories will usually need some information also from
the global build system settings. A portion of the involved configuration
variables will eventually store relative paths.
I imagine that desired data processing for them can trigger special development
challenges then.
How do you prefer to achieve consistent and safe access for paths across
the directory hierarchy?

I looked at the possibility to convert such data into absolute paths (by the
function “abspath” for example).
But make variables do not directly support higher level data structures for the
transformation of passed build parameters in the way I would find convenient.

How portable can extensions become for the provided function library?

Regards,
Markus