Re: Handling '=' in a filename together with $(eval )

[Paul Smith]

On Thu, 2025-02-13 at 15:46 +0100, Alejandro Colomar wrote:
> I'm trying to find a way to correctly handle files with a '=' in
> their name with make(1).  I know I'm doing something in the edge of
> what's possible, so the answer may very well be "you can't", but if
> it's possible, I'd like to learn how.  The reason is that the file
> exists in another project, and I'd like to use it with my Makefile; I
> can't fix the filename.

The correct way to handle most special characters in makefile syntax is
to hide them behind a make variable.

This works:

  EQ = =

  all: foo$(EQ)bar

  foo$(EQ)bar: ; @echo $@

gives:

  foo=bar

This works because make will chop up a line into sections before it
expands variables.