Re: How to define a variable with {} expansion

[Paul Smith]

On Wed, 2021-01-27 at 12:10 -0600, Blake McBride wrote:
> If I want a variable set to:   abc/def/ghi.a abc/def/klm.a
> abc/def/opq.a
> 
> On other make systems, I would do:  abc/def/{ghi kln opq}.a

I don't know of any make systems that support that syntax; definitely
it's not anything defined in the POSIX standard for make.

In GNU make you can do something like:

  ROOTS = jhi klm opq

  OUT = $(patsubst %,abc/def/%.a,$(ROOTS))

See https://www.gnu.org/software/make/manual/html_node/Text-Functions.html
for some other possibilities.