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Re: need help understanding $(eval ...) variable expansion

From: Paul D. Smith
Subject: Re: need help understanding $(eval ...) variable expansion
Date: Tue, 26 Nov 2002 00:48:29 -0500

%% gk <address@hidden> writes:

  g> I think my problem was in understanding how $(call ...) works.  It
  g> seems that 'call' does not do any evaluation or variable
  g> assignment; only expansion.

Precisely.  The _only_ make function that evaluates its arguments as if
they were makefile statements is eval.

Call merely pushes a new variable context, assigns the arguments to $1,
etc., then looks up the value of the variable specified as the first
argument and expands it in that new context.

 Paul D. Smith <address@hidden>          Find some GNU make tips at:            
 "Please remain calm...I may be mad, but I am a professional." --Mad Scientist

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