Solaris-Make VS GNU-Make

[Shafique Nadimulla]

We have been using Solaris and are planning on
migrating to Redhat. We are planning on migrating to
following version of Gnu make:
GNU Make version 3.79.1, by Richard Stallman and
Roland McGrath.
Built for i386-redhat-linux-gnu
Copyright (C) 1988, 89, 90, 91, 92, 93, 94, 95, 96,
97, 98, 99, 2000

In Solaris unix Makefile I have the conditional macro
assignment :=, What would be the equivalent single
line command to achieve the same under the Red hat
Linux?

So the following macro assignment: 

$(debug_targets) := special_flags = -g

has the effect that, when any target in
$(debug_targets) is processed, set $(special_flags)
equal to -g. 

  Your help is greatly appreciated.

Thanks in advance,

Shafique Nadimulla

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